From nobody Mon Jan 4 04:17:03 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3552D3A0C97; Mon, 4 Jan 2021 04:17:02 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.001 X-Spam-Level: X-Spam-Status: No, score=0.001 tagged_above=-999 required=5 tests=[HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fdBcjstwbBAv; Mon, 4 Jan 2021 04:17:00 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 259F93A0C8B; Mon, 4 Jan 2021 04:17:00 -0800 (PST) Received: from fraeml742-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4D8ZJ054Zvz67Q3M; Mon, 4 Jan 2021 20:12:16 +0800 (CST) Received: from nkgeml706-chm.china.huawei.com (10.98.57.153) by fraeml742-chm.china.huawei.com (10.206.15.223) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 4 Jan 2021 13:16:56 +0100 Received: from nkgeml707-chm.china.huawei.com (10.98.57.157) by nkgeml706-chm.china.huawei.com (10.98.57.153) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 4 Jan 2021 20:16:54 +0800 Received: from nkgeml707-chm.china.huawei.com ([10.98.57.157]) by nkgeml707-chm.china.huawei.com ([10.98.57.157]) with mapi id 15.01.2106.002; Mon, 4 Jan 2021 20:16:54 +0800 From: Tianran Zhou To: Weiqiang Cheng , 'Tarek Saad' , mpls CC: mpls-chairs , draft-cheng-mpls-inband-pm-encapsulation Thread-Topic: [mpls] IPR adoption poll for draft-cheng-mpls-inband-pm-encapsulation Thread-Index: AQHW3hweictka1WtKk66uoKiEB4suaoO75sAgAh7J1U= Date: Mon, 4 Jan 2021 12:16:54 +0000 Message-ID: <761465a4062c4a29a6438af488a70f2b@huawei.com> References: , <024301d6de56$4e226900$ea673b00$@com> In-Reply-To: <024301d6de56$4e226900$ea673b00$@com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_761465a4062c4a29a6438af488a70f2bhuaweicom_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] IPR adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jan 2021 12:17:02 -0000 --_000_761465a4062c4a29a6438af488a70f2bhuaweicom_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SSBhbSBub3QgYXdhcmUgb2YgYW55IElQUi4NCg0KVGhhbmtzLA0KVGlhbnJhbg0KDQoNCg0KDQpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KDQpTZW50IGZyb20gV2VMaW5rDQq3orz+ yMujuiBXZWlxaWFuZyBDaGVuZzxjaGVuZ3dlaXFpYW5nQGNoaW5hbW9iaWxlLmNvbTxtYWlsdG86 Y2hlbmd3ZWlxaWFuZ0BjaGluYW1vYmlsZS5jb20+Pg0KytW8/sjLo7ogJ1RhcmVrIFNhYWQnPHRz YWFkLm5ldEBnbWFpbC5jb208bWFpbHRvOnRzYWFkLm5ldEBnbWFpbC5jb20+PjttcGxzPG1wbHNA aWV0Zi5vcmc8bWFpbHRvOm1wbHNAaWV0Zi5vcmc+Pg0Ks63LzaO6IG1wbHMtY2hhaXJzPG1wbHMt Y2hhaXJzQGlldGYub3JnPG1haWx0bzptcGxzLWNoYWlyc0BpZXRmLm9yZz4+O2RyYWZ0LWNoZW5n LW1wbHMtaW5iYW5kLXBtLWVuY2Fwc3VsYXRpb248ZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0t ZW5jYXBzdWxhdGlvbkBpZXRmLm9yZzxtYWlsdG86ZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0t ZW5jYXBzdWxhdGlvbkBpZXRmLm9yZz4+DQrW98zio7ogUmU6IFttcGxzXSBJUFIgYWRvcHRpb24g cG9sbCBmb3IgZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0tZW5jYXBzdWxhdGlvbg0KyrG85KO6 IDIwMjAtMTItMzAgMTA6NDk6NDENCg0KQXMgY28tYXV0aG9yLCBJIGFtIG5vdCBhd2FyZSBvZiBh bnkgSVBSLg0KDQpCLlIuDQpXZWlxaWFuZyBDaGVuZw0KDQq3orz+yMs6IG1wbHMgW21haWx0bzpt cGxzLWJvdW5jZXNAaWV0Zi5vcmddILT6se0gVGFyZWsgU2FhZA0Kt6LLzcqxvOQ6IDIwMjDE6jEy 1MIzMMjVIDAzOjUyDQrK1bz+yMs6IG1wbHNAaWV0Zi5vcmcNCrOty806IG1wbHMtY2hhaXJzQGll dGYub3JnOyBkcmFmdC1jaGVuZy1tcGxzLWluYmFuZC1wbS1lbmNhcHN1bGF0aW9uQGlldGYub3Jn DQrW98ziOiBbbXBsc10gSVBSIGFkb3B0aW9uIHBvbGwgZm9yIGRyYWZ0LWNoZW5nLW1wbHMtaW5i YW5kLXBtLWVuY2Fwc3VsYXRpb24NCg0KV29ya2luZyBHcm91cCwgYXV0aG9ycywNCg0KVGhpcyBp cyBhIHN0YXJ0IG9mIGFuIElQUiBwb2xsIGluIHByZXBhcmF0aW9uIGZvciB0aGUgV0cgYWRvcHRp b24gb2YgZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0tZW5jYXBzdWxhdGlvbi4NCg0KQXJlIHlv dSBhd2FyZSBvZiBhbnkgSVBSIHRoYXQgYXBwbGllcyB0byBkcmFmdC1jaGVuZy1tcGxzLWluYmFu ZC1wbS1lbmNhcHN1bGF0aW9uPw0KDQpJZiBzbywgaGFzIHRoaXMgSVBSIGJlZW4gZGlzY2xvc2Vk IGluIGNvbXBsaWFuY2Ugd2l0aCBJRVRGIElQUiBydWxlcyAoc2VlIFJGQ3MgMzk3OSwgNDg3OSwg MzY2OSBhbmQgNTM3OCBmb3IgbW9yZSBkZXRhaWxzKS4NCg0KQ3VycmVudGx5LCB0aGVyZSBhcmUg bm8gSVBSIGRpc2Nsb3N1cmVzIGFnYWluc3QgZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0tZW5j YXBzdWxhdGlvbi4NCg0KSWYgeW91IGFyZSBsaXN0ZWQgYXMgYSBkb2N1bWVudCBhdXRob3Igb3Ig Y29udHJpYnV0b3IgcGxlYXNlIHJlc3BvbmQgdG8gdGhpcyBlbWFpbCByZWdhcmRsZXNzIG9mIHdo ZXRoZXIgb3Igbm90IHlvdSBhcmUgYXdhcmUgb2YgYW55IHJlbGV2YW50IElQUi4gKlRoZSByZXNw b25zZSBuZWVkcyB0byBiZSBzZW50IHRvIHRoZSBNUExTIFdHIG1haWxpbmcgbGlzdC4qIFRoZSBk b2N1bWVudCB3aWxsIG5vdCBhZHZhbmNlIHRvIHRoZSBuZXh0IHN0YWdlIHVudGlsIGEgcmVzcG9u c2UgaGFzIGJlZW4gcmVjZWl2ZWQgZnJvbSBlYWNoIGF1dGhvciBhbmQgY29udHJpYnV0b3IuDQoN CklmIHlvdSBhcmUgb24gdGhlIE1QTFMgV0cgZW1haWwgbGlzdCBidXQgYXJlIG5vdCBsaXN0ZWQg YXMgYW4gYXV0aG9yIG9yIGNvbnRyaWJ1dG9yLCB0aGVuIHBsZWFzZSBleHBsaWNpdGx5IHJlc3Bv bmQgb25seSBpZiB5b3UgYXJlIGF3YXJlIG9mIGFueSBJUFIgdGhhdCBoYXMgbm90IHlldCBiZWVu IGRpc2Nsb3NlZCBpbiBjb25mb3JtYW5jZSB3aXRoIElFVEYgcnVsZXMuDQoNClJlZ2FyZHMsDQpU YXJlayAobXBscyB3ZyBjby1jaGFpcikNCg== --_000_761465a4062c4a29a6438af488a70f2bhuaweicom_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable
I am not awa= re of any IPR.

Thanks,
Tianran 






Sent from WeLink<= /span>
=B7=A2=BC=FE=C8=CB=A3=BA Weiqiang Cheng<chengweiqiang@chinamobile.com>
=CA=D5=BC=FE=C8=CB=A3=BA 'Tarek Saad'<tsaad.net@gmail.com>;mpls<mpls@ietf.org>
=B3=AD=CB=CD=A3=BA mpls-chairs<mpls-chairs@ietf.org>;draft-cheng-mpls-inband-pm-encapsul= ation<draft-cheng-mpls-inband-pm-encapsulation@ietf.org>
=D6=F7=CC=E2=A3=BA Re: [mpls] IPR adoption poll for draft-cheng= -mpls-inband-pm-encapsulation
=CA=B1=BC=E4=A3=BA 2020-12-30 10:49:41

As c= o-author, I am not aware of any IPR.

&nbs= p;

B.R.=

Weiq= iang Cheng

 

=B7=A2=BC=FE=C8=CB: mpls [mailto:mpls-b= ounces@ietf.org] =B4=FA=B1=ED= Tarek Saad
=B7=A2=CB=CD= =CA=B1=BC=E4: 2020=C4=EA12=D4= =C230=C8=D5 03:52
=CA=D5=BC=FE=C8=CB: mpls@ietf.org
=B3=AD=CB=CD: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@ietf.org =D6=F7=CC=E2: [mpls] IPR adoption poll for draft-cheng-mpls-inband-pm-encapsulation

 

Working Group, authors,<= /p>

 

This is a start of an IPR&= nbsp;poll in preparation for the WG adoption of draft-cheng-mpls-inband-pm-= encapsulation.

 

Are you aware of any IPR&n= bsp;that applies to draft-cheng-mpls-inband-pm-encapsulation?

 

If so, has this IPR b= een disclosed in compliance with IETF IPR rules (see RFCs 3979, 4= 879, 3669 and 5378 for more details).

 

Currently, there are no IP= R disclosures against draft-cheng-mpls-inband-pm-encapsulation.=

 

If you are listed as a document= author or contributor please respond to this email regardless of whether o= r not you are aware of any relevant IPR. *The response needs to be sent to = the MPLS WG mailing list.* The document will not advance to the next stage until a response has been received from= each author and contributor.

 

If you are on the MPLS WG email= list but are not listed as an author or contributor, then please explicitl= y respond only if you are aware of any IPR that has not yet been discl= osed in conformance with IETF rules.

 

Regards,

Tarek (mpls wg co-chair)=

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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Happy New Year! Many thanks Mach for the MPLS-RT review. Please see comments inline with .. From: Mach Chen Date: Wednesday, December 30, 2020 at 4:20 AM To: mpls , mpls-chairs Cc: draft-gandhi-mpls-ioam-sr@ietf.org Subject: MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Hi, I've been asked to provide a pre-adoption MPLS-RT review of draft-gandhi-mp= ls-ioam-sr-04. Below are my review comments: 1. I agree that it's more reasonable to leverage GAL/gACH with one or two n= ew dedicated channel types for indicating the presence of iOAM data. Yes, we will change to use ACH with IOAM Indicator Label, as agreed on= another email thread. 2. In addition, the draft proposes to support both E2E and hop-by-hop (HBH)= options. It's nature to use GAL/gACH or the IOAM Indicator Label (IIL) to = indicate the presence of iOAM data. But for HBH case, each intermediate LS= R is supposed to process the iOAM data, and the GAL or IIL is put at the bo= ttom of the stack, how does an intermediate LSR know whether there is iOAM = data present and it should process the iOAM data? To scan the whole label = stack to find the GAL/IIL or through other means (e.g., put an indicator la= bel on the top the label stack, this may require that each LSR need to pop = the IIL label firstly, then process the next label, and put the IIL label b= ack onto the top when forwarding the packet to the next hop) ? For either = way, this needs to be explicitly defined in the document. Yes, this is similar to the entropy label where a mid-point node needs= to scan the label stack to find the indicator label. We can add some text = to clarify this. There is already an optimization to use a different indica= tor label for HbH compared to E2E case to unnecessarily avoid parsing the I= OAM data fields. Thanks, Rakesh I am OK with other parts of the draft, but the above comments would result = in non-trivial updates to the draft, I would see an update before the WG ad= option call. Best regards, Mach --_000_DM6PR11MB3115122E45D5D9734E2A7023BFD20DM6PR11MB3115namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Happy New Year!

 

Many thanks Mach for the MPLS-RT review. Please see = comments inline with <RG>..

 

From: Mach Chen <mach.= chen@huawei.com>
Date: Wednesday, December 30, 2020 at 4:20 AM
To: mpls <mpls@ietf.org>, mpls-chairs <mpls-chairs@ietf.org= >
Cc: draft-gandhi-mpls-ioam-sr@ietf.org <draft-gandhi-mpls-ioam-sr= @ietf.org>
Subject: MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04

Hi,

I've been asked to provide a pre-adoption MPLS-RT review of draft-gandhi-mp= ls-ioam-sr-04.

Below are my review comments:

1. I agree that it's more reasonable to leverage GAL/gACH with one or two n= ew dedicated channel types for indicating the presence of iOAM data.

 

<RG> Yes, we will change to use ACH with IOAM = Indicator Label, as agreed on another email thread.

2. In addition, the draft proposes to support both E2E and hop-by-hop (HBH)= options. It's nature to use GAL/gACH or the IOAM Indicator Label (IIL) to = indicate the presence of iOAM data.  But for HBH case, each intermedia= te LSR is supposed to process the iOAM data, and the GAL or IIL is put at the bottom of the stack, how does an in= termediate LSR know whether there is iOAM data present and it should proces= s the iOAM data?  To scan the whole label stack to find the GAL/IIL or= through other means (e.g., put an indicator label on the top the label stack, this may require that each LSR need to p= op the IIL label firstly, then process the next label, and put the IIL labe= l back onto the top when forwarding the packet to the next hop) ?  For= either way, this needs to be explicitly defined in the document.

 

<RG> Yes, this is similar to the entropy label= where a mid-point node needs to scan the label stack to find the indicator= label. We can add some text to clarify this. There is already an optimizat= ion to use a different indicator label for HbH compared to E2E case to unnecessarily avoid parsing the IOAM data fiel= ds.

 

Thanks,

Rakesh

 

I am OK with other parts of the draft, but the above= comments would result in non-trivial updates to the draft, I would see an = update before the WG adoption call.

Best regards,
Mach

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We can add = some text to clarify this. There is already an optimization to use a = different indicator label for HbH compared to E2E case to unnecessarily = avoid parsing the IOAM data fields. The EL is entirely optional to process. It is no more than a hint to use = in ECMP and there is no architectural requirement to find it to operate = correctly. If iOAM is purely a option then you could scan the stack and hope that = you can reach down far enough to find it. Though there is a fight to see = who gets to be the lowest label in range of the forwarding parser. If you want to be sure that iOAM is processed HxH then you really need = to run it on a new FEC with that behaviour built into the FEC. That = would be the architected way of doing this in MPLS. - Stewart --Apple-Mail=_2759F0B9-710C-4D4A-9F8B-C21EE31848CD Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii

On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) <rgandhi=3D40cisco.com@dmarc.ietf.org> wrote:

<RG> = Yes, this is similar to the entropy label where a mid-point node needs = to scan the label stack to find the indicator label. We can add some = text to clarify this. There is already an optimization to use a = different indicator label for HbH compared to E2E case to unnecessarily = avoid parsing the IOAM data fields.

The EL is entirely optional to process. It is = no more than a hint to use in ECMP and there is no architectural = requirement to find it to operate correctly.

If iOAM is purely a option then you = could scan the stack and hope that you can reach down far enough to find = it. Though there is a fight to see who gets to be the lowest label in = range of the forwarding parser.

If you want to be sure that iOAM is = processed HxH then you really need to run it on a new FEC with that = behaviour built into the FEC. That would be the architected way of doing = this in MPLS.

- = Stewart


= --Apple-Mail=_2759F0B9-710C-4D4A-9F8B-C21EE31848CD-- From nobody Mon Jan 4 14:41:43 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1BE223A0925; Mon, 4 Jan 2021 14:41:42 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.001 X-Spam-Level: X-Spam-Status: No, score=0.001 tagged_above=-999 required=5 tests=[HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qv2E4rANPDoC; Mon, 4 Jan 2021 14:41:37 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5EDB63A08FA; Mon, 4 Jan 2021 14:41:37 -0800 (PST) Received: from fraeml745-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4D8r8c0hBlz67XQ7; Tue, 5 Jan 2021 06:36:48 +0800 (CST) Received: from nkgeml706-chm.china.huawei.com (10.98.57.153) by fraeml745-chm.china.huawei.com (10.206.15.226) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 4 Jan 2021 23:41:29 +0100 Received: from nkgeml707-chm.china.huawei.com (10.98.57.157) by nkgeml706-chm.china.huawei.com (10.98.57.153) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 5 Jan 2021 06:41:27 +0800 Received: from nkgeml707-chm.china.huawei.com ([10.98.57.157]) by nkgeml707-chm.china.huawei.com ([10.98.57.157]) with mapi id 15.01.2106.002; Tue, 5 Jan 2021 06:41:27 +0800 From: Tianran Zhou To: "Andrew G. Malis" , Loa Andersson CC: tom petch , mpls , mpls-chairs , draft-gandhi-mpls-ioam-sr Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyPog2zvWgYuUSVwIHtfEHSC6oLlMwAgABiuYCAApIqAIACAQoQ///K+YCAAEW5AIAHhdVV Date: Mon, 4 Jan 2021 22:41:27 +0000 Message-ID: <06b8e4c8403e4a06819b8733bcc56e8c@huawei.com> References: <46b1b623-a628-2373-4378-e70f0038b4f2@pi.nu> <508b5ef1-6958-ae84-1c81-f0cfe0c054d3@pi.nu> <441792f05eec40548dd7c0acb2f75ba0@huawei.com> <9b55d4b6-c5ef-c436-34ac-2e8512950c48@pi.nu>, In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_06b8e4c8403e4a06819b8733bcc56e8chuaweicom_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jan 2021 22:41:42 -0000 --_000_06b8e4c8403e4a06819b8733bcc56e8chuaweicom_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 R29vZCB0byBrbm93Lg0KVGhhbmtzIExvYSBhbmQgQW5keS4NCg0KVGlhbnJhbg0KDQoNCg0KDQpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KDQpTZW50IGZyb20gV2VMaW5rDQq3orz+ yMujuiBBbmRyZXcgRy4gTWFsaXM8YWdtYWxpc0BnbWFpbC5jb208bWFpbHRvOmFnbWFsaXNAZ21h aWwuY29tPj4NCsrVvP7Iy6O6IExvYSBBbmRlcnNzb248bG9hQHBpLm51PG1haWx0bzpsb2FAcGku bnU+Pg0Ks63LzaO6IFRpYW5yYW4gWmhvdTx6aG91dGlhbnJhbkBodWF3ZWkuY29tPG1haWx0bzp6 aG91dGlhbnJhbkBodWF3ZWkuY29tPj47dG9tIHBldGNoPGlldGZjQGJ0Y29ubmVjdC5jb208bWFp bHRvOmlldGZjQGJ0Y29ubmVjdC5jb20+PjttcGxzPG1wbHNAaWV0Zi5vcmc8bWFpbHRvOm1wbHNA aWV0Zi5vcmc+PjttcGxzLWNoYWlyczxtcGxzLWNoYWlyc0BpZXRmLm9yZzxtYWlsdG86bXBscy1j aGFpcnNAaWV0Zi5vcmc+PjtkcmFmdC1nYW5kaGktbXBscy1pb2FtLXNyPGRyYWZ0LWdhbmRoaS1t cGxzLWlvYW0tc3JAaWV0Zi5vcmc8bWFpbHRvOmRyYWZ0LWdhbmRoaS1tcGxzLWlvYW0tc3JAaWV0 Zi5vcmc+Pg0K1vfM4qO6IFJlOiBbbXBsc10gTVBMUy1SVCBSZXZpZXcgb2YgZHJhZnQtZ2FuZGhp LW1wbHMtaW9hbS1zci0wNA0KyrG85KO6IDIwMjAtMTItMzEgMTk6NDk6MTMNCg0KTG9hLA0KDQpU aGF0J3MgY29ycmVjdC4gSXQncyB0aGUgR0FMIHRoYXQgaGFzIHRoZSByZXN0cmljdGlvbiwgYnV0 IG5vdCB0aGUgQUNIIGhlYWRlci4NCg0KQ2hlZXJzLA0KQW5keQ0KDQoNCk9uIFRodSwgRGVjIDMx LCAyMDIwIGF0IDI6MzkgQU0gTG9hIEFuZGVyc3NvbiA8bG9hQHBpLm51PG1haWx0bzpsb2FAcGku bnU+PiB3cm90ZToNClRpYW5yYW4sDQoNCkknbSBub3QgYXdhcmUgb2Ygc3VjaCBhIHJlc3RyaWN0 aW9uLCBpZiB0aGVyZSB3ZXJlIG9uZSB3b3VsZG4ndCBpdCBoYXZlDQpiZWVuIGFwcGxpY2FibGUg dG8gUkZDIDgxNjk/DQoNCi9Mb2ENCg0KT24gMzEvMTIvMjAyMCAxMDo1MSwgVGlhbnJhbiBaaG91 IHdyb3RlOg0KPiBJIGhhdmUgb25lIGNvbmNlcm4gb24gdGhlIHVzYWdlIG9mIEFDSC4NCj4gSSBh bSBub3Qgc3VyZSBpZiB0aGVyZSBpcyBhbnkgcmVzdHJpY3Rpb24gdGhhdCBBY2ggaXMgb25seSB1 c2VkIGZvciBhY3RpdmUvc3ludGhldGljIHBhY2tldC4NCj4NCj4gQmVzdCwNCj4gVGlhbnJhbg0K PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBtcGxzIFttYWlsdG86bXBscy1i b3VuY2VzQGlldGYub3JnPG1haWx0bzptcGxzLWJvdW5jZXNAaWV0Zi5vcmc+XSBPbiBCZWhhbGYg T2YgTG9hIEFuZGVyc3Nvbg0KPiBTZW50OiBXZWRuZXNkYXksIERlY2VtYmVyIDMwLCAyMDIwIDEy OjEzIFBNDQo+IFRvOiB0b20gcGV0Y2ggPGlldGZjQGJ0Y29ubmVjdC5jb208bWFpbHRvOmlldGZj QGJ0Y29ubmVjdC5jb20+PjsgQW5kcmV3IEcuIE1hbGlzIDxhZ21hbGlzQGdtYWlsLmNvbTxtYWls dG86YWdtYWxpc0BnbWFpbC5jb20+PjsgbXBscyA8bXBsc0BpZXRmLm9yZzxtYWlsdG86bXBsc0Bp ZXRmLm9yZz4+OyBtcGxzLWNoYWlycyA8bXBscy1jaGFpcnNAaWV0Zi5vcmc8bWFpbHRvOm1wbHMt Y2hhaXJzQGlldGYub3JnPj4NCj4gQ2M6IGRyYWZ0LWdhbmRoaS1tcGxzLWlvYW0tc3JAaWV0Zi5v cmc8bWFpbHRvOmRyYWZ0LWdhbmRoaS1tcGxzLWlvYW0tc3JAaWV0Zi5vcmc+DQo+IFN1YmplY3Q6 IFJlOiBbbXBsc10gTVBMUy1SVCBSZXZpZXcgb2YgZHJhZnQtZ2FuZGhpLW1wbHMtaW9hbS1zci0w NA0KPg0KPiBUb20sIGV0LmFsPGh0dHA6Ly9ldC5hbD4sDQo+DQo+IE9uIDI4LzEyLzIwMjAgMjA6 NTYsIHRvbSBwZXRjaCB3cm90ZToNCj4+IEhvd2V2ZXIsIEknZCBsaWtlIHRvIHNlZSBtb3JlIGRp c2N1c3Npb24gb24gd2hhdCB3ZSBzaG91bGQgZG8uIEluDQo+PiBwYXJ0aWN1bGFyIEknZCBsaWtl IHRvIHNlZSBhIGNvbW1lbnQgZnJvbSB0aGUgYXV0aG9ycyBvbiB0aGlzLg0KPj4NCj4+IDx0cD4N Cj4+DQo+PiBXaHkgbm90IHVzZSBBQ0g/DQo+DQo+IEkgZG9uJ3QgdGhpbmsgdGhlcmUgaXMgYW55 dGhpbmcgaW4gdGhlIHRocmVhZCB0aGUgc2F5cyAiZG9uJ3QgdXNlIEFDSCIsIHdoYXQgSSB3YW50 IGlzIGp1c3QgdG8gdGllIHVwIHRoZSBsYXN0IGxvc2UgZW5kcyBiZWZvcmUgZ29pbmcgdG8gZGVj aXNpb24uDQo+DQo+IC9Mb2ENCj4+DQo+PiBUb20gUGV0Y2gNCj4NCg0KLS0NCg0KTG9hIEFuZGVy c3NvbiAgICAgICAgICAgICAgICAgICAgICAgIGVtYWlsOiBsb2FAcGkubnU8bWFpbHRvOmxvYUBw aS5udT4NClNlbmlvciBNUExTIEV4cGVydCAgICAgICAgICAgICAgICAgICAgICAgICAgbG9hLnBp Lm51QGdtYWlsLmNvbTxtYWlsdG86bG9hLnBpLm51QGdtYWlsLmNvbT4NCkJyb256ZSBEcmFnb24g Q29uc3VsdGluZyAgICAgICAgICAgICBwaG9uZTogKzQ2IDczOSA4MSAyMSA2NA0K --_000_06b8e4c8403e4a06819b8733bcc56e8chuaweicom_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable
Good to know.&nbs= p;
Thanks Loa and&nb= sp;Andy.

Tianran 






Sent from WeLink<= /span>
=B7=A2=BC=FE=C8=CB=A3=BA Andrew G. Malis<agmalis@gmail.com>
=CA=D5=BC=FE=C8=CB=A3=BA Loa Andersson<loa@pi.nu>
=B3=AD=CB=CD=A3=BA Tianran Zhou<zhoutianran@huawei.com>;tom petch<ietfc@btconnect.com>;mpls<mpls@ietf.org>;mpls-chairs<mpls-chairs@ietf.org>;draft-gandhi-mpls-ioam-sr<= ;draft-gandhi-mpls-io= am-sr@ietf.org>
=D6=F7=CC=E2=A3=BA Re: [mpls] MPLS-RT Review of draft-gandhi-mp= ls-ioam-sr-04
=CA=B1=BC=E4=A3=BA 2020-12-31 19:49:13

Loa,

That's correct. It's the GAL that has the restriction, but not the ACH= header.

Cheers,
Andy


On Thu, Dec 31, 2020 at 2:39 AM Loa A= ndersson <loa@pi.nu> wrote:
Tianran,

I'm not aware of such a restriction, if there were one wouldn't it have been applicable to RFC 8169?

/Loa

On 31/12/2020 10:51, Tianran Zhou wrote:
> I have one concern on the usage of ACH.
> I am not sure if there is any restriction that Ach is only used for ac= tive/synthetic packet.
>
> Best,
> Tianran
> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
> Sent: Wednesday, December 30, 2020 12:13 PM
> To: tom petch <ietfc@btconnect.com>; Andrew G. Malis <agmalis@gmail.com>; mpls <mpls@ietf.org>; mpls-chairs <= mpls-chairs@ietf.org>
> Cc: draft-gandhi-mpls-ioam-sr@ietf.org
> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
>
> Tom, et.= al,
>
> On 28/12/2020 20:56, tom petch wrote:
>> However, I'd like to see more discussion on what we should do. In<= br> >> particular I'd like to see a comment from the authors on this.
>>
>> <tp>
>>
>> Why not use ACH?
>
> I don't think there is anything in the thread the says "don't use= ACH", what I want is just to tie up the last lose ends before going t= o decision.
>
> /Loa
>>
>> Tom Petch
>

--

Loa Andersson                 =       email: loa@pi.nu
Senior MPLS Expert                &= nbsp;         loa.pi.nu@gmail.com
Bronze Dragon Consulting             pho= ne: +46 739 81 21 64
--_000_06b8e4c8403e4a06819b8733bcc56e8chuaweicom_-- From yoav.peleg@broadcom.com Mon Jan 4 22:57:55 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8CD903A0940 for ; Mon, 4 Jan 2021 22:57:55 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.348 X-Spam-Level: X-Spam-Status: No, score=-2.348 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9c_Pkth-Pr98 for ; Mon, 4 Jan 2021 22:57:52 -0800 (PST) Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C1D633A0936 for ; Mon, 4 Jan 2021 22:57:51 -0800 (PST) Received: by mail-ej1-x630.google.com with SMTP id ga15so7772032ejb.4 for ; Mon, 04 Jan 2021 22:57:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xHTkq3h4H37ozdMDZuPg1iiLWBnAE7wbNck1GP4mFy8=; b=JAHabe4v3AxG/EV5y54jqHSEptd9ODniUdNod3UlPRKhP/Njwvzjh3droPwEyz0Qlg 5SnqajN8qF+8Z7pBLohXdY15ZY+u0PvKlZISySVFJQ7Tvx3potuUfJuL/Sy+nTx4J0Hj uVTUUhDTUEeS4E+iS+PIkniFKzU64kV7MZxck= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=xHTkq3h4H37ozdMDZuPg1iiLWBnAE7wbNck1GP4mFy8=; b=jv1xWzbq8+2d6sFz+l7nEeGBTLE+jibE6QkhjYZBS0pSgmlSHnD2mi+Zh1RpTMVnro fpn1ipb0I4ITtHaKtqUR7f/K8oGNY/TwKMgmrB4LW7pedWE8+IEHmHrfg8E+tlNIJO0S N3zSqzaV0BSV0li5AXo470kjjrX6supFzDb5q7Mj1QZbuZo5yHXcaCbkAN7Jx+/jni9N wgyf09VY+Fx2dMpNCvejfO9PwmaJcdsKyU2oqeVSbNziTg5E8TvKMLYh0uQD/BUXS8kx FNTvEagkP3bYRnyyrJbhxw6wCAQmv79y0L1Ry/TDZsJe/fLQAMX1wtnY5JjEjAMlLb1j KOww== X-Gm-Message-State: AOAM531Znnit9OtokfD3avrB79LbqxQWBIJEUKOdg7uhkcgfAjJwaCwR Uj1R/uRj2tjA8U1jeqpSfdqVUGwkPIz3InPHGAL0k+MvOmQB+JiYJUQnSirlySYHrbHwp7z8N3i mtPyljTY21lM= X-Google-Smtp-Source: ABdhPJwhwrYXdCjPR46s70LUNJ0w1JJXpjutk8TIMGj7yN64ZV8B3PpzLNS/F1/c/2Kc46q2JJ1XFMN6Aa0wedc9SeQ= X-Received: by 2002:a17:906:958e:: with SMTP id r14mr71089263ejx.319.1609829869973; Mon, 04 Jan 2021 22:57:49 -0800 (PST) MIME-Version: 1.0 References: <024301d6de56$4e226900$ea673b00$@com> <761465a4062c4a29a6438af488a70f2b@huawei.com> In-Reply-To: <761465a4062c4a29a6438af488a70f2b@huawei.com> From: Yoav Peleg Date: Tue, 5 Jan 2021 08:57:39 +0200 Message-ID: To: Tianran Zhou Cc: Weiqiang Cheng , Tarek Saad , mpls , mpls-chairs , draft-cheng-mpls-inband-pm-encapsulation Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000091493b05b821b936" Archived-At: Subject: Re: [mpls] IPR adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jan 2021 06:59:39 -0000 --00000000000091493b05b821b936 Content-Type: multipart/alternative; boundary="0000000000008cc5c205b821b9bc" --0000000000008cc5c205b821b9bc Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi, No IPRs that I am aware of. Thanks, Yoav On Mon, Jan 4, 2021 at 2:17 PM Tianran Zhou wrote: > I am not aware of any IPR. > > Thanks, > Tianran > > > > > ------------------------------ > > Sent from WeLink > *=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A *Weiqiang Cheng > *=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A *'Tarek Saad';= mpls > *=E6=8A=84=E9=80=81=EF=BC=9A *mpls-chairs >;draft-cheng-mpls-inband-pm-encapsulation< > draft-cheng-mpls-inband-pm-encapsulation@ietf.org> > *=E4=B8=BB=E9=A2=98=EF=BC=9A *Re: [mpls] IPR adoption poll for > draft-cheng-mpls-inband-pm-encapsulation > *=E6=97=B6=E9=97=B4=EF=BC=9A *2020-12-30 10:49:41 > > As co-author, I am not aware of any IPR. > > > > B.R. > > Weiqiang Cheng > > > > *=E5=8F=91=E4=BB=B6=E4=BA=BA:* mpls [mailto:mpls-bounces@ietf.org] *=E4= =BB=A3=E8=A1=A8 *Tarek Saad > *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:* 2020=E5=B9=B412=E6=9C=8830=E6=97= =A5 03:52 > *=E6=94=B6=E4=BB=B6=E4=BA=BA:* mpls@ietf.org > *=E6=8A=84=E9=80=81:* mpls-chairs@ietf.org; > draft-cheng-mpls-inband-pm-encapsulation@ietf.org > *=E4=B8=BB=E9=A2=98:* [mpls] IPR adoption poll for > draft-cheng-mpls-inband-pm-encapsulation > > > > Working Group, authors, > > > > This is a start of an IPR poll in preparation for the WG adoption of > draft-cheng-mpls-inband-pm-encapsulation. > > > > Are you aware of any IPR that applies > to draft-cheng-mpls-inband-pm-encapsulation? > > > > If so, has this IPR been disclosed in compliance with IETF IPR rules (see > RFCs 3979, 4879, 3669 and 5378 for more details). > > > > Currently, there are no IPR disclosures against > draft-cheng-mpls-inband-pm-encapsulation. > > > > If you are listed as a document author or contributor please respond to > this email regardless of whether or not you are aware of any relevant IPR= . > *The response needs to be sent to the MPLS WG mailing list.* The document > will not advance to the next stage until a response has been received fro= m > each author and contributor. > > > > If you are on the MPLS WG email list but are not listed as an author or > contributor, then please explicitly respond only if you are aware of any > IPR that has not yet been disclosed in conformance with IETF rules. > > > > Regards, > > Tarek (mpls wg co-chair) > --=20 This electronic communication and the information and any files transmitted= =20 with it, or attached to it, are confidential and are intended solely for=20 the use of the individual or entity to whom it is addressed and may contain= =20 information that is confidential, legally privileged, protected by privacy= =20 laws, or otherwise restricted from disclosure to anyone else. If you are=20 not the intended recipient or the person responsible for delivering the=20 e-mail to the intended recipient, you are hereby notified that any use,=20 copying, distributing, dissemination, forwarding, printing, or copying of= =20 this e-mail is strictly prohibited. If you received this e-mail in error,= =20 please return the e-mail to the sender, delete it from your computer, and= =20 destroy any printed copy of it. --0000000000008cc5c205b821b9bc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

No IPRs that I am=C2=A0aware of.

Thanks,

=C2=A0 =C2=A0 Yoav<= /div>


On Mon, Jan 4, 2021 at 2:17 PM Tianran Zhou <zhoutianran@huawei.com> wrote:
I=C2=A0am=C2=A0not=C2=A0= aware=C2=A0of=C2=A0any=C2=A0IPR.

Thanks,
Tianran=C2=A0






Sent=C2=A0from=C2=A0WeLi= nk
=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A Weiqiang Cheng<chengweiqiang@c= hinamobile.com>
=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A 'Tarek Saad'<tsaad.net@gmail.com<= /a>>;mpls<mpls@iet= f.org>
=E6=8A=84=E9=80=81=EF=BC=9A mpls-chairs<mpls-chairs@ietf.org>;draft-ch= eng-mpls-inband-pm-encapsulation<draft-cheng-mpls-inband-pm-= encapsulation@ietf.org>
=E4=B8=BB=E9=A2=98=EF=BC=9A Re: [mpls] IPR adoption poll for dr= aft-cheng-mpls-inband-pm-encapsulation
=E6=97=B6=E9=97=B4=EF=BC=9A 2020-12-30 10:49:41

As co-= author, I am not aware of any IPR.

=C2=A0=

B.R.

Weiqia= ng Cheng

=C2=A0

=E5=8F=91=E4=BB=B6=E4=BA=BA: mpls [mailto:mpls-bounces@ietf.o= rg] =E4=BB=A3=E8=A1= =A8 Tarek Saad
=E5=8F=91=E9=80= =81=E6=97=B6=E9=97=B4: 2020=E5=B9=B412=E6=9C=8830=E6=97=A5 03:52
=E6=94=B6=E4=BB=B6=E4=BA=BA: mpls@ie= tf.org
=E6=8A=84=E9=80=81: mpls-chai= rs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@ietf.= org
=E4=B8=BB=E9=A2=98: [mpls] IPR adoption poll for draft-cheng-mpls-inband-pm-encapsulati= on

=C2=A0

Working Group, authors,<= /p>

=C2=A0

This is a start of an=C2=A0IPR= =C2=A0poll in preparation for the WG adoption of draft-cheng-mpls-inband-pm= -encapsulation.

=C2=A0

Are you aware of any=C2=A0IPR= =C2=A0that applies to=C2=A0draft-cheng-mpls-inband-pm-encapsulation?=

=C2=A0

If so, has this=C2=A0IPR=C2=A0b= een disclosed in compliance with IETF=C2=A0IPR=C2=A0rules (see RFCs 3979, 4= 879, 3669 and 5378 for more details).

=C2=A0

Currently, there are no=C2=A0IP= R=C2=A0disclosures against draft-cheng-mpls-inband-pm-encapsulation.=

=C2=A0

If you are listed as a document= author or contributor please respond to this email regardless of whether o= r not you are aware of any relevant IPR. *The response needs to be sent to = the MPLS WG mailing list.* The document will not advance to the next stage until a response has been received from= each author and contributor.

=C2=A0

If you are on the MPLS WG email= list but are not listed as an author or contributor, then please explicitl= y respond only if you are aware of any IPR=C2=A0that has not yet been discl= osed in conformance with IETF rules.

=C2=A0

Regards,

Tarek (mpls wg co-chair)=


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2021 07:41:39 -0800 (PST) Received: from DM5PR1901MB2150.namprd19.prod.outlook.com ([2603:1036:4:9e::5]) by smtp.gmail.com with ESMTPSA id y65sm28865oie.39.2021.01.05.07.41.38 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 05 Jan 2021 07:41:39 -0800 (PST) From: Tarek Saad To: "mpls@ietf.org" CC: "mpls-chairs@ietf.org" , "draft-cheng-mpls-inband-pm-encapsulation@ietf.org" Thread-Topic: WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation Thread-Index: AQHW43lAZKooo8mnlUKkH7irtdwFGQ== X-MS-Exchange-MessageSentRepresentingType: 1 Date: Tue, 5 Jan 2021 15:41:37 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-Exchange-Organization-SCL: -1 X-MS-TNEF-Correlator: X-MS-Exchange-Organization-RecordReviewCfmType: 0 Content-Type: multipart/alternative; boundary="_000_DM5PR1901MB215058C54AFDD7A976AAE628FCD10DM5PR1901MB2150_" MIME-Version: 1.0 Archived-At: Subject: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jan 2021 15:41:43 -0000 --_000_DM5PR1901MB215058C54AFDD7A976AAE628FCD10DM5PR1901MB2150_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Working Group, This is to start a two week poll on adopting draft-cheng-mpls-inband-pm-enc= apsulation as a MPLS working group document. Please send your comments (support/not support) to the mpls working group m= ailing list (mpls@ietf.org). Please give a technical = motivation for your support/no support, especially if you think that the do= cument should not be adopted as a working group document. We have done an IPR poll for this document. All the co-authors have respond= ed that they are unaware of any IPRs related to this draft. The working group adoption poll ends January 20, 2021. Regards, Tarek (mpls wg co-chair) --_000_DM5PR1901MB215058C54AFDD7A976AAE628FCD10DM5PR1901MB2150_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Working Group,

 

This is to start a two week poll on adopting draft-c= heng-mpls-inband-pm-encapsulation as a MPLS working group document.

 

Please send your comments (support/not support) to t= he mpls working group mailing list (mpls@i= etf.org). Please give a technical motivation for your support/no suppor= t, especially if you think that the document should not be adopted as a working group document.

 

We have done an IPR poll for this document. All the = co-authors have responded that they are unaware of any IPRs related to this= draft.

 

The working group adoption poll ends January 20, 202= 1.

 

Regards,

Tarek (mpls wg co-chair)

 

 

--_000_DM5PR1901MB215058C54AFDD7A976AAE628FCD10DM5PR1901MB2150_-- From nobody Tue Jan 5 19:17:46 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1576A3A0934; Tue, 5 Jan 2021 19:17:44 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Lskw8VUyVXfl; Tue, 5 Jan 2021 19:17:42 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2BEFE3A0925; Tue, 5 Jan 2021 19:17:42 -0800 (PST) Received: from fraeml715-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4D9ZH040MTz67YSK; Wed, 6 Jan 2021 11:14:52 +0800 (CST) Received: from nkgeml708-chm.china.huawei.com (10.98.57.160) by fraeml715-chm.china.huawei.com (10.206.15.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Wed, 6 Jan 2021 04:17:39 +0100 Received: from nkgeml707-chm.china.huawei.com (10.98.57.157) by nkgeml708-chm.china.huawei.com (10.98.57.160) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Wed, 6 Jan 2021 11:17:37 +0800 Received: from nkgeml707-chm.china.huawei.com ([10.98.57.157]) by nkgeml707-chm.china.huawei.com ([10.98.57.157]) with mapi id 15.01.2106.002; Wed, 6 Jan 2021 11:17:37 +0800 From: Tianran Zhou To: Tarek Saad , "mpls@ietf.org" CC: "mpls-chairs@ietf.org" , "draft-cheng-mpls-inband-pm-encapsulation@ietf.org" Thread-Topic: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation Thread-Index: AQHW43lAZKooo8mnlUKkH7irtdwFGaoZ7ctA Date: Wed, 6 Jan 2021 03:17:37 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.243.128] Content-Type: multipart/alternative; boundary="_000_f51fc393c247480db8b5d7e9bff6e3dehuaweicom_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jan 2021 03:17:44 -0000 --_000_f51fc393c247480db8b5d7e9bff6e3dehuaweicom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi WG, I support the adoption as a coauthor. Cheers, Tianran From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Tarek Saad Sent: Tuesday, January 5, 2021 11:42 PM To: mpls@ietf.org Cc: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@ietf.org Subject: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulati= on Working Group, This is to start a two week poll on adopting draft-cheng-mpls-inband-pm-enc= apsulation as a MPLS working group document. Please send your comments (support/not support) to the mpls working group m= ailing list (mpls@ietf.org). Please give a technical = motivation for your support/no support, especially if you think that the do= cument should not be adopted as a working group document. We have done an IPR poll for this document. All the co-authors have respond= ed that they are unaware of any IPRs related to this draft. The working group adoption poll ends January 20, 2021. Regards, Tarek (mpls wg co-chair) --_000_f51fc393c247480db8b5d7e9bff6e3dehuaweicom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi WG= ,

=  

I sup= port the adoption as a coauthor.

=  

Cheer= s,

Tianr= an

=  

From:= mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Tarek Saad
Sent: Tuesday, January 5, 2021 11:42 PM
To: mpls@ietf.org
Cc: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@i= etf.org
Subject: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-enca= psulation

 

Working Group,

 

This is to start a two week poll on adopting draft-c= heng-mpls-inband-pm-encapsulation as a MPLS working group document.

 

Please send your comments (support/not support) to t= he mpls working group mailing list (mpls@i= etf.org). Please give a technical motivation for your support/no suppor= t, especially if you think that the document should not be adopted as a working group document.

 

We have done an IPR poll for this document. All the = co-authors have responded that they are unaware of any IPRs related to this= draft.

 

The working group adoption poll ends January 20, 202= 1.

 

Regards,

Tarek (mpls wg co-chair)

 

 

--_000_f51fc393c247480db8b5d7e9bff6e3dehuaweicom_-- From nobody Tue Jan 5 21:17:25 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D19FB3A0F2E; Tue, 5 Jan 2021 21:17:23 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.158 X-Spam-Level: X-Spam-Status: No, score=-2.158 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.262, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JZRBCoCt5s7Q; Tue, 5 Jan 2021 21:17:22 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 96DF13A1056; Tue, 5 Jan 2021 21:17:20 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 0660F328159; Wed, 6 Jan 2021 06:17:17 +0100 (CET) To: Tianran Zhou , Tarek Saad , "mpls@ietf.org" Cc: "mpls-chairs@ietf.org" , "draft-cheng-mpls-inband-pm-encapsulation@ietf.org" References: From: Loa Andersson Message-ID: <231c8514-ff76-82cd-2874-9a65098f121b@pi.nu> Date: Wed, 6 Jan 2021 13:17:13 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jan 2021 05:17:24 -0000 Working Group, This is a very useful document, support the adoption. /Loa On 06/01/2021 11:17, Tianran Zhou wrote: > Hi WG, > > I support the adoption as a coauthor. > > Cheers, > > Tianran > > *From:*mpls [mailto:mpls-bounces@ietf.org] *On Behalf Of *Tarek Saad > *Sent:* Tuesday, January 5, 2021 11:42 PM > *To:* mpls@ietf.org > *Cc:* mpls-chairs@ietf.org; > draft-cheng-mpls-inband-pm-encapsulation@ietf.org > *Subject:* [mpls] WG adoption poll for > draft-cheng-mpls-inband-pm-encapsulation > > Working Group, > > This is to start a two week poll on adopting > draft-cheng-mpls-inband-pm-encapsulation as a MPLS working group document. > > Please send your comments (support/not support) to the mpls working > group mailing list (mpls@ietf.org ). Please give a > technical motivation for your support/no support, especially if you > think that the document should not be adopted as a working group document. > > We have done an IPR poll for this document. All the co-authors have > responded that they are unaware of any IPRs related to this draft. > > The working group adoption poll ends January 20, 2021. > > Regards, > > Tarek (mpls wg co-chair) > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Tue Jan 5 21:43:55 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0E2F83A109B for ; Tue, 5 Jan 2021 21:43:53 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.348 X-Spam-Level: X-Spam-Status: No, score=-2.348 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BtSyrFGgm4FK for ; Tue, 5 Jan 2021 21:43:51 -0800 (PST) Received: from mail-ej1-x635.google.com (mail-ej1-x635.google.com [IPv6:2a00:1450:4864:20::635]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1A6D53A109A for ; Tue, 5 Jan 2021 21:43:50 -0800 (PST) Received: by mail-ej1-x635.google.com with SMTP id qw4so3477478ejb.12 for ; Tue, 05 Jan 2021 21:43:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ImRIIgaDl4G935gdk2oIDyCGxAsIXQYU7jc7esoABsI=; b=TNTE/nmXY2ZwEVU37DqlVCR2EWWvLM367r8AGHLPtak5ahUwRAHmBAn3Y+NqwjszaM i0uAq/oMam68jGsLtg/esTY6iLJ3lCRV1YChOpCbGjoMU+uYup6ygr0sjYKYuX9ZAW6E LAvtQYdy+sVTXTDYesQtZjkc8+PG2U2/ySec4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ImRIIgaDl4G935gdk2oIDyCGxAsIXQYU7jc7esoABsI=; b=fmv1E71EOrul6SWGC/bWrqk5A1KH4oMuF61cRwpLY5XY+DvQtW7tyaLjqKO3J+2ycp 85meKYoZQc7yV+nSNQEAV3SGihEvdonioxqgJ+gAk0ju5BkyzTWSjimiKrqvuxm6UvhO W7rSM7uJOmMvS7+K6gUQc/rDZwwC1NuAWh7EdMgFy2ufcNpHYnlAaxFGcEvoikkM8BNV WRHd/UX9c5jASJayANIBlGLk4Ptf7En/EfMfPCBQXzC1Nbtlib5SlZlItNWtgS5DhJU1 Y+8kWkqoLW7GIhpV8uXexOd+YXmY9EcQKwtAqSYzq7jsnOlGlKzDzD1f9u+cJdXf2qxU QScg== X-Gm-Message-State: AOAM530BKv89Dixf7gZnKwMGiU3ty/4QXOgQYRgMt0wxFS+yM8f5Olny L6eKD0Z5gmUkJ5EQftGh19VF+X1Oid89PkugfqMDD1SCJM+tnqZxeS+aDx1fKkRwUPaW8/sC+Tf GIOO+DZCrui9tOdaC6iw= X-Google-Smtp-Source: ABdhPJz6827gp9bAJWWz5SqD2D0P0LXXERpXDCiBk/5TD3SY2SDXphoOXuFyeYDp4jNHchAkLBVYTS89Vd6NsztfISM= X-Received: by 2002:a17:906:3711:: with SMTP id d17mr1800667ejc.121.1609911829015; Tue, 05 Jan 2021 21:43:49 -0800 (PST) MIME-Version: 1.0 References: <231c8514-ff76-82cd-2874-9a65098f121b@pi.nu> In-Reply-To: <231c8514-ff76-82cd-2874-9a65098f121b@pi.nu> From: Yoav Peleg Date: Wed, 6 Jan 2021 07:43:37 +0200 Message-ID: To: "mpls@ietf.org" Cc: Tianran Zhou , Tarek Saad , "mpls-chairs@ietf.org" , "draft-cheng-mpls-inband-pm-encapsulation@ietf.org" , Loa Andersson Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000b52ed705b834ce19" Archived-At: Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jan 2021 05:43:53 -0000 --000000000000b52ed705b834ce19 Content-Type: multipart/alternative; boundary="000000000000b0772705b834cece" --000000000000b0772705b834cece Content-Type: text/plain; charset="UTF-8" Hi WG, I definitely support this important document. THANKS! Yoav Peleg On Wed, Jan 6, 2021 at 7:17 AM Loa Andersson wrote: > Working Group, > > > > This is a very useful document, support the adoption. > > > > /Loa > > On 06/01/2021 11:17, Tianran Zhou wrote: > > Hi WG, > > > > I support the adoption as a coauthor. > > > > Cheers, > > > > Tianran > > > > *From:*mpls [mailto:mpls-bounces@ietf.org] *On Behalf Of *Tarek Saad > > *Sent:* Tuesday, January 5, 2021 11:42 PM > > *To:* mpls@ietf.org > > *Cc:* mpls-chairs@ietf.org; > > draft-cheng-mpls-inband-pm-encapsulation@ietf.org > > *Subject:* [mpls] WG adoption poll for > > draft-cheng-mpls-inband-pm-encapsulation > > > > Working Group, > > > > This is to start a two week poll on adopting > > draft-cheng-mpls-inband-pm-encapsulation as a MPLS working group > document. > > > > Please send your comments (support/not support) to the mpls working > > group mailing list (mpls@ietf.org ). Please give > a > > technical motivation for your support/no support, especially if you > > think that the document should not be adopted as a working group > document. > > > > We have done an IPR poll for this document. All the co-authors have > > responded that they are unaware of any IPRs related to this draft. > > > > The working group adoption poll ends January 20, 2021. > > > > Regards, > > > > Tarek (mpls wg co-chair) > > > > -- > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 > -- This electronic communication and the information and any files transmitted with it, or attached to it, are confidential and are intended solely for the use of the individual or entity to whom it is addressed and may contain information that is confidential, legally privileged, protected by privacy laws, or otherwise restricted from disclosure to anyone else. If you are not the intended recipient or the person responsible for delivering the e-mail to the intended recipient, you are hereby notified that any use, copying, distributing, dissemination, forwarding, printing, or copying of this e-mail is strictly prohibited. If you received this e-mail in error, please return the e-mail to the sender, delete it from your computer, and destroy any printed copy of it. --000000000000b0772705b834cece Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi WG,

I definitely support this import= ant=C2=A0document.

THANKS!

=C2=A0 =C2=A0Yoav Peleg


On Wed, Jan 6, 2021 at 7:17 A= M Loa Andersson <loa@pi.nu> wrote:
Working Group,
<chair hat off>

This is a very useful document, support the adoption.

</chair hat off>

/Loa

On 06/01/2021 11:17, Tianran Zhou wrote:
> Hi WG,
>
> I support the adoption as a coauthor.
>
> Cheers,
>
> Tianran
>
> *From:*mpls [mailto:mpls-bounces@ietf.org] *On Behalf Of *Tarek Saad
> *Sent:* Tuesday, January 5, 2021 11:42 PM
> *To:* mpls@ietf.org=
> *Cc:* mpls-c= hairs@ietf.org;
> draft-cheng-mpls-inband-pm-encapsulation@ietf.org
> *Subject:* [mpls] WG adoption poll for
> draft-cheng-mpls-inband-pm-encapsulation
>
> Working Group,
>
> This is to start a two week poll on adopting
> draft-cheng-mpls-inband-pm-encapsulation as a MPLS working group docum= ent.
>
> Please send your comments (support/not support) to the mpls working > group mailing list (mpls@ietf.org <mailto:mpls@ietf.org>). Please give a
> technical motivation for your support/no support, especially if you > think that the document should not be adopted as a working group docum= ent.
>
> We have done an IPR poll for this document. All the co-authors have > responded that they are unaware of any IPRs related to this draft.
>
> The working group adoption poll ends January 20, 2021.
>
> Regards,
>
> Tarek (mpls wg co-chair)
>

--

Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
Senior MPLS Expert=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 loa.pi.nu@gmail.com
Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0pho= ne: +46 739 81 21 64

This ele= ctronic communication and the information and any files transmitted with it= , or attached to it, are confidential and are intended solely for the use o= f the individual or entity to whom it is addressed and may contain informat= ion that is confidential, legally privileged, protected by privacy laws, or= otherwise restricted from disclosure to anyone else. If you are not the in= tended recipient or the person responsible for delivering the e-mail to the= intended recipient, you are hereby notified that any use, copying, distrib= uting, dissemination, forwarding, printing, or copying of this e-mail is st= rictly prohibited. If you received this e-mail in error, please return the = e-mail to the sender, delete it from your computer, and destroy any printed= copy of it. --000000000000b0772705b834cece-- --000000000000b52ed705b834ce19 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQPAYJKoZIhvcNAQcCoIIQLTCCECkCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg2RMIIE6DCCA9CgAwIBAgIOSBtqCRO9gCTKXSLwFPMwDQYJKoZIhvcNAQELBQAwTDEgMB4GA1UE CxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMT Ckdsb2JhbFNpZ24wHhcNMTYwNjE1MDAwMDAwWhcNMjQwNjE1MDAwMDAwWjBdMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEzMDEGA1UEAxMqR2xvYmFsU2lnbiBQZXJzb25h bFNpZ24gMiBDQSAtIFNIQTI1NiAtIEczMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA tpZok2X9LAHsYqMNVL+Ly6RDkaKar7GD8rVtb9nw6tzPFnvXGeOEA4X5xh9wjx9sScVpGR5wkTg1 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--=====_003_next=====-- --=====_002_next=====-- --=====_001_next=====-- From nobody Tue Jan 5 22:13:15 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 33A053A1119; Tue, 5 Jan 2021 22:13:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NcJ7yANLM6ZV; Tue, 5 Jan 2021 22:13:12 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 092923A1114; Tue, 5 Jan 2021 22:13:12 -0800 (PST) Received: from fraeml737-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4D9f7C5KR7z67YFc; Wed, 6 Jan 2021 14:08:23 +0800 (CST) Received: from nkgeml705-chm.china.huawei.com (10.98.57.154) by fraeml737-chm.china.huawei.com (10.206.15.218) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Wed, 6 Jan 2021 07:13:08 +0100 Received: from nkgeml705-chm.china.huawei.com (10.98.57.154) by nkgeml705-chm.china.huawei.com (10.98.57.154) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Wed, 6 Jan 2021 14:13:06 +0800 Received: from nkgeml705-chm.china.huawei.com ([10.98.57.154]) by nkgeml705-chm.china.huawei.com ([10.98.57.154]) with mapi id 15.01.2106.002; Wed, 6 Jan 2021 14:13:06 +0800 From: "Xiejingrong (Jingrong)" To: Tarek Saad , "mpls@ietf.org" CC: "mpls-chairs@ietf.org" , "draft-cheng-mpls-inband-pm-encapsulation@ietf.org" Thread-Topic: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation Thread-Index: AQHW43lAZKooo8mnlUKkH7irtdwFGaoaHrYg Date: Wed, 6 Jan 2021 06:13:06 +0000 Message-ID: <950b809c67c94636a1364e915a653dfc@huawei.com> References: In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.153.228] Content-Type: multipart/alternative; boundary="_000_950b809c67c94636a1364e915a653dfchuaweicom_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jan 2021 06:13:14 -0000 --_000_950b809c67c94636a1364e915a653dfchuaweicom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi all, I support the adoption of this document. Thanks Jingrong From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Tarek Saad Sent: Tuesday, January 5, 2021 11:42 PM To: mpls@ietf.org Cc: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@ietf.org Subject: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulati= on Working Group, This is to start a two week poll on adopting draft-cheng-mpls-inband-pm-enc= apsulation as a MPLS working group document. Please send your comments (support/not support) to the mpls working group m= ailing list (mpls@ietf.org). Please give a technical = motivation for your support/no support, especially if you think that the do= cument should not be adopted as a working group document. We have done an IPR poll for this document. All the co-authors have respond= ed that they are unaware of any IPRs related to this draft. The working group adoption poll ends January 20, 2021. Regards, Tarek (mpls wg co-chair) --_000_950b809c67c94636a1364e915a653dfchuaweicom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi all,

I support the adoption of this document.

 

Thanks

Jingrong

 

F= rom: mpls [mailt= o:mpls-bounces@ietf.org] On Behalf Of Tarek Saad
Sent: Tuesday, January 5, 2021 11:42 PM
To: mpls@ietf.org
Cc: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@i= etf.org
Subject: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-enca= psulation

 

Working Group,

 

This is to start a two week pol= l on adopting draft-cheng-mpls-inband-pm-encapsulation as a MPLS working gr= oup document.

 

Please send your comments (supp= ort/not support) to the mpls working group mailing list (mpls@ietf.org). Please give a technical motivation for y= our support/no support, especially if you think that the document should not be adopted as a working group docum= ent.

 

We have done an IPR poll for th= is document. All the co-authors have responded that they are unaware of any= IPRs related to this draft.

 

The working group adoption poll= ends January 20, 2021.

 

Regards,

Tarek (mpls wg co-chair)

 

 

--_000_950b809c67c94636a1364e915a653dfchuaweicom_-- From nobody Wed Jan 6 16:26:06 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 977B23A1371; Wed, 6 Jan 2021 16:26:00 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: mpls@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: mpls@ietf.org Message-ID: <160997916056.14645.16897870851166630380@ietfa.amsl.com> Date: Wed, 06 Jan 2021 16:26:00 -0800 Archived-At: Subject: [mpls] I-D Action: draft-ietf-mpls-rfc6374-sr-01.txt X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 00:26:01 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Multiprotocol Label Switching WG of the IETF. Title : Performance Measurement Using RFC 6374 for Segment Routing Networks with MPLS Data Plane Authors : Rakesh Gandhi Clarence Filsfils Daniel Voyer Stefano Salsano Mach(Guoyi) Chen Filename : draft-ietf-mpls-rfc6374-sr-01.txt Pages : 20 Date : 2021-01-06 Abstract: Segment Routing (SR) leverages the source routing paradigm. RFC 6374 specifies protocol mechanisms to enable the efficient and accurate measurement of packet loss, one-way and two-way delay, as well as related metrics such as delay variation in MPLS networks using probe messages. This document utilizes these mechanisms for Performance Delay and Loss Measurements in Segment Routing networks with MPLS data plane (SR-MPLS), for both SR-MPLS links and end-to-end paths including SR-MPLS Policies. In addition, this document defines Return Path TLV for two-way performance measurement and Block Number TLV for loss measurement. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-mpls-rfc6374-sr/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-mpls-rfc6374-sr-01 https://datatracker.ietf.org/doc/html/draft-ietf-mpls-rfc6374-sr-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-rfc6374-sr-01 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Jan 6 19:20:31 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3DA0A3A149B; Wed, 6 Jan 2021 19:20:30 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.159 X-Spam-Level: X-Spam-Status: No, score=-2.159 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.262, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9YbtddR6QyFW; Wed, 6 Jan 2021 19:20:27 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3056E3A1498; Wed, 6 Jan 2021 19:20:26 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id DF88D328239; Thu, 7 Jan 2021 04:20:23 +0100 (CET) To: Stewart Bryant , "Rakesh Gandhi (rgandhi)" Cc: "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs , mpls References: From: Loa Andersson Message-ID: Date: Thu, 7 Jan 2021 11:20:19 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 03:20:30 -0000 Stewart, If we want to make sure that packets are processed at evey node, is the new FEC complementary to the ACH-header or an alternative? /Loa On 05/01/2021 00:30, Stewart Bryant wrote: > > >> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) >> > > wrote: >> >> Yes, this is similar to the entropy label where a mid-point node >> needs to scan the label stack to find the indicator label. We can add >> some text to clarify this. There is already an optimization to use a >> different indicator label for HbH compared to E2E case to >> unnecessarily avoid parsing the IOAM data fields. > > The EL is entirely optional to process. It is no more than a hint to use > in ECMP and there is no architectural requirement to find it to operate > correctly. > > If iOAM is purely a option then you could scan the stack and hope that > you can reach down far enough to find it. Though there is a fight to see > who gets to be the lowest label in range of the forwarding parser. > > If you want to be sure that iOAM is processed HxH then you really need > to run it on a new FEC with that behaviour built into the FEC. That > would be the architected way of doing this in MPLS. > > - Stewart > > > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Wed Jan 6 19:30:41 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 361B93A14A9; Wed, 6 Jan 2021 19:30:40 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.096 X-Spam-Level: X-Spam-Status: No, score=-2.096 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id k8scrom3FE0l; Wed, 6 Jan 2021 19:30:38 -0800 (PST) Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1995C3A14A6; Wed, 6 Jan 2021 19:30:37 -0800 (PST) Received: by mail-lf1-x135.google.com with SMTP id x20so11344375lfe.12; Wed, 06 Jan 2021 19:30:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=HE4Ctde+AP79id2T2DIgwL6zVp38rhBiCsIwV4hr3A0=; b=EXatA3CQzCQiuV1AKDQFEvsttkFdFPnbQV+O3P+HaMw3q2wWmUc3woGgf6dhcZVhiJ O9ntNTqlTsfELbKsQwQAkuXjh45zyvELqsEDKd0sarn8Ny6Jji4SLJeKtleD64+GRIcF jq8/UKs8/2UJv2xHcWbHIupw6y9uO7n1Pa+7/PbJw31ugmhDrVHSeI+iAQ7pV6ntsUsY w8FmjzWy2vO2ey/teModsFNCkdXswxdH5WxsrWX89cIEzjzmVNB4TvO6ODlW66Rg6rWm m/kzSLFQXEJQ9vcopwlvIz3R4FvGboagZ9MqZLaZl0S6pqj8UEj4iY2QGRYaYO8xxDUl OtDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=HE4Ctde+AP79id2T2DIgwL6zVp38rhBiCsIwV4hr3A0=; b=J63RlvcFS1vtQQPP571EGTvNxACpHVX5SnZkhtBK1PMcTUAbba3khrza/B1f6FIcII NfAkAlzEVnGyEk9ewEnGZiYLJ6atUUJYHnoPdoJ5dAo6QVYiEXr46hPGVl9nucpqbOqd gV8Z1OkBqtssS+pJFzG+H6RtWcummey4IuWqaHthbOcJhfrvYdZEetxi89q/572GrQV5 8mT/g1f4DgwSbLTCSbI97f+IMdEMuEb+EOpLkxfxbTNiJqtculiZhErhnFH3SVmqYZGw E51yXAnXRBu5OJi02LvPUtoZXiKQcbscNR05qMfs808uZLzdswWrU0PEwLIG3N5xP6Vv 7Ejg== X-Gm-Message-State: AOAM532qgH/l6VQVh+U876X+4up6dNsYcfaYH9vchZFZUkaDBj+JjBJy 2vFE0YtvfbXrLsKen2c5k6ai3dFovJRBKfX0YoY= X-Google-Smtp-Source: ABdhPJwZk1w3PsYvhhNTsFXunErdk2R/mqkfVtsQ/8ucL9gsfBnEBEWdfYRjjiTM4d5IB6TFHE7vJoRNqg3bC7JB2qI= X-Received: by 2002:a2e:b6d0:: with SMTP id m16mr3147069ljo.133.1609990235996; Wed, 06 Jan 2021 19:30:35 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Greg Mirsky Date: Wed, 6 Jan 2021 19:30:25 -0800 Message-ID: To: Loa Andersson Cc: Stewart Bryant , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs Content-Type: multipart/alternative; boundary="0000000000001bc68705b84710e1" Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 03:30:40 -0000 --0000000000001bc68705b84710e1 Content-Type: text/plain; charset="UTF-8" Hi Loa, et al., RFC 8169 uses TTL expiration to achieve processing at each RTM-capable node. That approach creates a state in transient nodes and may not fit with the "no state" paradigm of the Segment Routing. And I've got a question. AFAIK, the presence of ACH in an MPLS LSP is indicated by GAL. Is there an intention to introduce another (E)SPL for that? Regards, Greg On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson wrote: > Stewart, > > If we want to make sure that packets are processed at evey node, is the > new FEC complementary to the ACH-header or an alternative? > > /Loa > > On 05/01/2021 00:30, Stewart Bryant wrote: > > > > > >> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) > >> >> > wrote: > >> > >> Yes, this is similar to the entropy label where a mid-point node > >> needs to scan the label stack to find the indicator label. We can add > >> some text to clarify this. There is already an optimization to use a > >> different indicator label for HbH compared to E2E case to > >> unnecessarily avoid parsing the IOAM data fields. > > > > The EL is entirely optional to process. It is no more than a hint to use > > in ECMP and there is no architectural requirement to find it to operate > > correctly. > > > > If iOAM is purely a option then you could scan the stack and hope that > > you can reach down far enough to find it. Though there is a fight to see > > who gets to be the lowest label in range of the forwarding parser. > > > > If you want to be sure that iOAM is processed HxH then you really need > > to run it on a new FEC with that behaviour built into the FEC. That > > would be the architected way of doing this in MPLS. > > > > - Stewart > > > > > > > > _______________________________________________ > > mpls mailing list > > mpls@ietf.org > > https://www.ietf.org/mailman/listinfo/mpls > > > > -- > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > --0000000000001bc68705b84710e1 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Loa, et al.,
RFC 8169 uses TTL expiration to achiev= e processing at each RTM-capable node. That approach creates a state in tra= nsient nodes and may not fit with the "no state" paradigm of the = Segment Routing.
And I've got a question. AFAIK, the presence= of ACH in an MPLS LSP is indicated by GAL. Is there an intention to introd= uce another (E)SPL for that?

Regards,
Gr= eg

On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson <loa@pi.nu> wrote:
Stewart,

If we want to make sure that packets are processed at evey node, is the new FEC complementary to the ACH-header or an alternative?

/Loa

On 05/01/2021 00:30, Stewart Bryant wrote:
>
>
>> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi)
>> <rgandhi=3D40cisco.com@dmarc.ietf.org
>> <mailto:rgandhi=3D40cisco= .com@dmarc.ietf.org>> wrote:
>>
>> <RG> Yes, this is similar to the entropy label where a mid-p= oint node
>> needs to scan the label stack to find the indicator label. We can = add
>> some text to clarify this. There is already an optimization to use= a
>> different indicator label for HbH compared to E2E case to
>> unnecessarily avoid parsing the IOAM data fields.
>
> The EL is entirely optional to process. It is no more than a hint to u= se
> in ECMP and there is no architectural requirement to find it to operat= e
> correctly.
>
> If iOAM is purely a option then you could scan the stack and hope that=
> you can reach down far enough to find it. Though there is a fight to s= ee
> who gets to be the lowest label in range of the forwarding parser.
>
> If you want to be sure that iOAM is processed HxH then you really need=
> to run it on a new FEC with that behaviour built into the FEC. That > would be the architected way of doing this in MPLS.
>
> - Stewart
>
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls
>

--

Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
Senior MPLS Expert=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 loa.pi.nu@gmail.com
Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0pho= ne: +46 739 81 21 64

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls
--0000000000001bc68705b84710e1-- From nobody Wed Jan 6 19:43:43 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 93F573A14BF; Wed, 6 Jan 2021 19:43:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.896 X-Spam-Level: X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Gd6TMPQfRj5l; Wed, 6 Jan 2021 19:43:40 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D92033A14BE; Wed, 6 Jan 2021 19:43:39 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 7EDCC328243; Thu, 7 Jan 2021 04:43:35 +0100 (CET) From: Loa Andersson Cc: "Andrew G. Malis" , Mach Chen , "Bocci, Matthew (Nokia - GB)" , "Delregno, Christopher N (Nick DelRegno)" , Stewart Bryant , "mpls-chairs@ietf.org" To: "draft-gandhi-mpls-ioam-sr@ietf.org" , "mpls@ietf.org" Message-ID: <9f7b4d18-e5f2-26d8-2a02-05ef51bd52e2@pi.nu> Date: Thu, 7 Jan 2021 11:43:31 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: [mpls] Closed: MPLS-RT review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 03:43:42 -0000 Working Group, Dec 11, 2020, I started a MPLS-RT review of draft-gandhi-mpls-ioam-sr. This review is now closed. Since the MPLS-RT review was across the holiday season, we asked for the reviews to be done There are some comments that needs to be addressed before we start the adoption poll. The MPLS-RT reviewers were Andy, Mach, Matthew and Nick, in addition to the MPLS-RT reviewers Stewart commented. Matthew has told the wg chairs that his comments are covered by the comments from Mach and Andy. I have asked Matthew to post a formal review. Nick participated in the early discussion where the method for ECMP avoidance needs to be documented prior to adopting the document as a working group document. The discussion preliminarily focused on the method how to make sure that ECMP can be avoided. The wg converged on using the ACH-header. However, late in the discussion that the depth of the label stack has in impact on whether an ACH-header is processed or not in a node. He proposed that if we really need to process the ECMP avoidance at each node the the architectural correct way of doing that would be by a new hop-by-hop FEC. It is at the moment unclear to me whether the new FEC is complimentary to the ACH-header or an alternative. I have asked Stewart on the wg mailing list. The authors should work with the people making comments and shepherd, resolve the comments and post a new version of the document, that we will use for WGAP. /Loa mpls wg co-chair -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Wed Jan 6 19:50:13 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5106C3A14D5; Wed, 6 Jan 2021 19:50:12 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.159 X-Spam-Level: X-Spam-Status: No, score=-2.159 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.262, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id x9JJnAz6fRYU; Wed, 6 Jan 2021 19:50:10 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4ACF13A14D4; Wed, 6 Jan 2021 19:50:10 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 418F8328246; Thu, 7 Jan 2021 04:50:07 +0100 (CET) To: Greg Mirsky Cc: Stewart Bryant , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs References: From: Loa Andersson Message-ID: Date: Thu, 7 Jan 2021 11:50:04 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 03:50:12 -0000 Greg, (feeling the water) if we create a hop-by-hop FEC, that in itself could indicate the presence of the ACH-header, right? /Loa On 07/01/2021 11:30, Greg Mirsky wrote: > Hi Loa, et al., > RFC 8169 uses TTL expiration to achieve processing at each RTM-capable > node. That approach creates a state in transient nodes and may not fit > with the "no state" paradigm of the Segment Routing. > And I've got a question. AFAIK, the presence of ACH in an MPLS LSP is > indicated by GAL. Is there an intention to introduce another (E)SPL for > that? > > Regards, > Greg > > On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson > wrote: > > Stewart, > > If we want to make sure that packets are processed at evey node, is the > new FEC complementary to the ACH-header or an alternative? > > /Loa > > On 05/01/2021 00:30, Stewart Bryant wrote: > > > > > >> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) > >> > >> =40cisco.com@dmarc.ietf.org > >> wrote: > >> > >> Yes, this is similar to the entropy label where a mid-point > node > >> needs to scan the label stack to find the indicator label. We > can add > >> some text to clarify this. There is already an optimization to > use a > >> different indicator label for HbH compared to E2E case to > >> unnecessarily avoid parsing the IOAM data fields. > > > > The EL is entirely optional to process. It is no more than a hint > to use > > in ECMP and there is no architectural requirement to find it to > operate > > correctly. > > > > If iOAM is purely a option then you could scan the stack and hope > that > > you can reach down far enough to find it. Though there is a fight > to see > > who gets to be the lowest label in range of the forwarding parser. > > > > If you want to be sure that iOAM is processed HxH then you really > need > > to run it on a new FEC with that behaviour built into the FEC. That > > would be the architected way of doing this in MPLS. > > > > - Stewart > > > > > > > > _______________________________________________ > > mpls mailing list > > mpls@ietf.org > > https://www.ietf.org/mailman/listinfo/mpls > > > > > -- > > Loa Andersson                        email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting             phone: +46 739 81 21 64 > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Wed Jan 6 19:50:50 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 066FC3A14D3; Wed, 6 Jan 2021 19:50:48 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_BLOCKED=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gZdJ3sDquiUw; Wed, 6 Jan 2021 19:50:45 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2F34C3A14D4; Wed, 6 Jan 2021 19:50:45 -0800 (PST) Received: from fraeml742-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4DBBxg14Nfz67XHr; Thu, 7 Jan 2021 11:47:03 +0800 (CST) Received: from fraeml742-chm.china.huawei.com (10.206.15.223) by fraeml742-chm.china.huawei.com (10.206.15.223) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 7 Jan 2021 04:50:42 +0100 Received: from DGGEML405-HUB.china.huawei.com (10.3.17.49) by fraeml742-chm.china.huawei.com (10.206.15.223) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.2106.2 via Frontend Transport; Thu, 7 Jan 2021 04:50:42 +0100 Received: from DGGEML510-MBS.china.huawei.com ([169.254.3.132]) by dggeml405-hub.china.huawei.com ([10.3.17.49]) with mapi id 14.03.0487.000; Thu, 7 Jan 2021 11:50:36 +0800 From: Mach Chen To: Greg Mirsky , Loa Andersson CC: Stewart Bryant , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyDHDvVF1VdnUGaj2r8EB36K6oPXEywgAe3xoCAAB+GgIAD2h+AgAAC04CAAImZwA== Date: Thu, 7 Jan 2021 03:50:36 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US, 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NICE_REPLY_A=-0.262, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4Xva3tCiYViL; Wed, 6 Jan 2021 21:12:57 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DD5393A07C8; Wed, 6 Jan 2021 21:12:42 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 1AAA8328256; Thu, 7 Jan 2021 06:12:38 +0100 (CET) To: Mach Chen , Greg Mirsky Cc: Stewart Bryant , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs References: From: Loa Andersson Message-ID: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> Date: Thu, 7 Jan 2021 13:12:35 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 05:12:59 -0000 Maach, If it is a requirement from iOAM to do hop by hop processing, then the SPL/eSPL is a very blunt tool, there is is always a risk that the (e)SPL label that indicate the special behavior is below the maximum stack depth that can be scanned. Right? If we create a FEC that says "this packet has a hop by hop processing requirement, go find the ACH-header immediately after the label stack to see what you need to do." That would not solve the immediate problem but also be useful for the future. /Loa On 07/01/2021 11:50, Mach Chen wrote: > Hi all, > > IMHO, I think the key issue is that there is no hop-by-hop option in > MPLS, but the iOAM requires that. > > There are three potential options: > > 1)Scan the stack and find the (e)SPL label that indicate the special > behavior; > > 2)Introduce an (e)SPL and always keep it on the top of the label stack; > > 3)Use the way as Stewart suggested, a new FEC, just like the SFL; > > Best regards, > > Mach > > *From:*Greg Mirsky [mailto:gregimirsky@gmail.com] > *Sent:* Thursday, January 7, 2021 11:30 AM > *To:* Loa Andersson > *Cc:* Stewart Bryant ; Rakesh Gandhi (rgandhi) > ; mpls ; > draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs > *Subject:* Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > > Hi Loa, et al., > > RFC 8169 uses TTL expiration to achieve processing at each RTM-capable > node. That approach creates a state in transient nodes and may not fit > with the "no state" paradigm of the Segment Routing. > > And I've got a question. AFAIK, the presence of ACH in an MPLS LSP is > indicated by GAL. Is there an intention to introduce another (E)SPL for > that? > > Regards, > > Greg > > On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson > wrote: > > Stewart, > > If we want to make sure that packets are processed at evey node, is the > new FEC complementary to the ACH-header or an alternative? > > /Loa > > On 05/01/2021 00:30, Stewart Bryant wrote: > > > > > >> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) > >> > >> =40cisco.com@dmarc.ietf.org > >> wrote: > >> > >> Yes, this is similar to the entropy label where a mid-point node > >> needs to scan the label stack to find the indicator label. We can add > >> some text to clarify this. There is already an optimization to use a > >> different indicator label for HbH compared to E2E case to > >> unnecessarily avoid parsing the IOAM data fields. > > > > The EL is entirely optional to process. It is no more than a hint to use > > in ECMP and there is no architectural requirement to find it to operate > > correctly. > > > > If iOAM is purely a option then you could scan the stack and hope that > > you can reach down far enough to find it. Though there is a fight to see > > who gets to be the lowest label in range of the forwarding parser. > > > > If you want to be sure that iOAM is processed HxH then you really need > > to run it on a new FEC with that behaviour built into the FEC. That > > would be the architected way of doing this in MPLS. > > > > - Stewart > > > > > > > > _______________________________________________ > > mpls mailing list > > mpls@ietf.org > > https://www.ietf.org/mailman/listinfo/mpls > > > > > -- > > Loa Andersson                        email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting             phone: +46 739 81 21 64 > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Thu Jan 7 00:08:54 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A94DD3A098C; Thu, 7 Jan 2021 00:08:52 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RBYtc1jju8DM; Thu, 7 Jan 2021 00:08:50 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 592023A0983; Thu, 7 Jan 2021 00:08:50 -0800 (PST) Received: from fraeml742-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4DBJgS3mMPz67YMx; Thu, 7 Jan 2021 16:05:08 +0800 (CST) Received: from fraeml742-chm.china.huawei.com (10.206.15.223) by fraeml742-chm.china.huawei.com (10.206.15.223) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 7 Jan 2021 09:08:48 +0100 Received: from DGGEML404-HUB.china.huawei.com (10.3.17.39) by fraeml742-chm.china.huawei.com (10.206.15.223) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.2106.2 via Frontend Transport; Thu, 7 Jan 2021 09:08:48 +0100 Received: from DGGEML510-MBS.china.huawei.com ([169.254.3.132]) by DGGEML404-HUB.china.huawei.com ([fe80::b177:a243:7a69:5ab8%31]) with mapi id 14.03.0487.000; Thu, 7 Jan 2021 16:08:46 +0800 From: Mach Chen To: Loa Andersson , Greg Mirsky CC: Stewart Bryant , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyDHDvVF1VdnUGaj2r8EB36K6oPXEywgAe3xoCAAB+GgIAD2h+AgAAC04CAAImZwP//kvKAgACcrUA= Date: Thu, 7 Jan 2021 08:08:46 +0000 Message-ID: References: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> In-Reply-To: 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definitions=main-2101070051 Archived-At: Subject: Re: [mpls] MPLS WG poll on making draft-ietf-mpls-rmr X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 08:29:53 -0000 Loa, RMR provides a good solution for the ring topologies And I support publishing as experimental RFC. Rgds Shraddha Juniper Business Use Only -----Original Message----- From: mpls On Behalf Of Loa Andersson Sent: Friday, December 18, 2020 10:38 AM To: mpls@ietf.org; draft-ietf-mpls-rmr@ietf.org Cc: mpls-chairs@ietf.org Subject: [mpls] MPLS WG poll on making draft-ietf-mpls-rmr [External Email. Be cautious of content] Working Group, This is to start a "two week" poll on publishing draft-ietf-mpls-rmr as an = Experimental RFC. Mid-September the responsible AD sent draft-ietf-mpls-rmr back to the worki= ng group. The direct reason was that there did not seem to be any interest = by the authors to respond to the IESG review. The working group chairs took the action start a poll in the working group = to see if there were interest (in the wg) to continue progress the document= . There were no other responses, than from the two authors, to this poll, and= the wg chairs agree that there are no documented interest to progress the = draft in the current format. The logical action would have been kill the draft. However, we have been asked id we could make the document Experimental. Obviously this will generate problems with down refs and code point allocat= ion. But after carefully going through the documents, with some innovative = writing it the Shepherds Write-Up, this could be managed. Please respond to the following questions. If draft-ietf-mpls-rmr were made an Experimental document - do you think draft-ietf-mpls-rmr is needed and will actually be deployed? - do you have the cycles to contribute to progress and review the document? - are there interest to progress the document in this fashion? /Loa for the MPLS wg chairs -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 _______________________________________________ mpls mailing list mpls@ietf.org https://urldefense.com/v3/__https://www.ietf.org/mailman/listinfo/mpls__;!!= NEt6yMaO-gk!UKr5-LuhYnxpPKnqcH1pPTHgVxZhHsKzkx64xB7FHPLVUKLPLbrOi1bbZ-G8G16= D$ From nobody Thu Jan 7 00:50:42 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 12F8D3A0B33; Thu, 7 Jan 2021 00:50:40 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.341 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Jan 2021 08:50:28 +0000 From: LUIS MIGUEL CONTRERAS MURILLO To: Shraddha Hegde , Loa Andersson , "mpls@ietf.org" , "draft-ietf-mpls-rmr@ietf.org" CC: "mpls-chairs@ietf.org" Thread-Topic: [mpls] MPLS WG poll on making draft-ietf-mpls-rmr Thread-Index: AQHW1Pu6ZV9lA9QjQE6j3KYw3cf6rqob9IsAgAADPFA= Date: Thu, 7 Jan 2021 08:50:28 +0000 Message-ID: References: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> In-Reply-To: Accept-Language: es-ES, en-US Content-Language: es-ES X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: juniper.net; dkim=none (message not signed) header.d=none; juniper.net; dmarc=none action=none header.from=telefonica.com; x-originating-ip: [195.235.92.49] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 8c419b73-93d4-4246-7168-08d8b2e94862 x-ms-traffictypediagnostic: VI1PR0602MB3838: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2089; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: 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15.20.3763.004; Thu, 7 Jan 2021 11:11:40 +0000 From: "Bocci, Matthew (Nokia - GB)" To: "mpls-chairs@ietf.org" , "mpls@ietf.org" , "draft-gandhi-mpls-ioam-sr@ietf.org" Thread-Topic: MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW5NkdmEKriZMaUEWhoiC+JZ7iJA== Date: Thu, 7 Jan 2021 11:11:40 +0000 Message-ID: Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: ietf.org; dkim=none (message not signed) header.d=none;ietf.org; dmarc=none action=none header.from=nokia.com; x-originating-ip: [82.1.48.57] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 913044c1-9094-4852-092f-08d8b2fd025f x-ms-traffictypediagnostic: VI1PR07MB6717: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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=?Windows-1252?Q?IYmfj8T2/X9OvHi+KyDV/wnxqQkkoklgegaV0thgCRpaRC0L/Zf8sFgi?= =?Windows-1252?Q?nWu5NkEn19e3+juYIBOc19leq7lM++1Y62PrCSf40AmLXwvW3A2R7WoP?= =?Windows-1252?Q?KMH1LO7hGzZFCeJzIZDcpoAYBX++yDrt0wXcBZM7KDOrzB/yNvYshkvi?= =?Windows-1252?Q?Ffnjgv4PI96IUxoIVFKoJBM7a42Mrfm1v32d68st5y4pBgOzYtC8dyr5?= =?Windows-1252?Q?RklYbtOkcaV/hofTc60hiK2nbRgkqzYfAlIlWTQusNxMZqF3yfsc7OKP?= =?Windows-1252?Q?BmPlVFV2Tu2oE2BEZwyJi9OJ3I54FgU373enS3kEjnHU6EXQCRouYkDL?= =?Windows-1252?Q?dQSAnlYKai1LLgaeeDibfdv9sq13p2dsPoUObGl1SN2mZ+VD2D/ys4FG?= =?Windows-1252?Q?7KDYgoxn8khTNwqhy/QB9UTGmiE8hkD+BDGGfqnAVZ420gNyQAdi4FfU?= =?Windows-1252?Q?oEdTNB8SVJCmVoscyREEyUAdqKNPaynT84OAMkRLczB9CAVBzeFMf+nN?= =?Windows-1252?Q?wiQRBqYAD7xktsfgAUhlUVxOAoe34ua3z3MFa3htNnDVPg5QbmX7XhwR?= =?Windows-1252?Q?gF+Ff5YVmGkdK1UzNLOg9OlKz4AUlxWaW2GWktSxSooqgFxBAj2hQcqr?= =?Windows-1252?Q?exKNYyHd8lrcDD+MAX3B946svnI+Bd3CMtjP9CotSaN+fdBGoqJAGCM1?= =?Windows-1252?Q?d+sE3CqKxQCw8qUIK0JbCHT4fO2GEnAgiQufxzqo9clJz7zjNWCtw/iO?= 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5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: dyr91F51hYYSdgVwwK2AVXl3MriQb7Yi7ekdp77xpGMfnjm1vnf1OdlUBNdEdcAIiVPcwc4Xi11kI/UofrofOg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR07MB6717 Archived-At: Subject: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 11:11:45 -0000 --_000_VI1PR0701MB699178FA170E1A08D73FBE07EBAF0VI1PR0701MB6991_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hello I have been selected as an MPLS-RT reviewer for this draft. In general, I agree with the comments posted previously regarding the use o= f GAL/ACH to identify IOAM packets and create an exception mechanism to ena= ble their processing at intermediate nodes in the hop-by-hop case. I think = that this is the main issue blocking adoption. One other comment: on page 5, =93Procedure for Edge-to-Edge IOAM=94. There = is some text in the second bullet describing a process by which the decapsu= lating node =93forwards and punts the timestamped copy=94. I assume what is= happening here is that the egress LSR is copying the IOAM packet and punti= ng the copied packet to the slow path for OAM processing, while forwarding = the payload. Maybe there is a more detailed description in one of the refer= ences, but it would be much clearer to expand this paragraph to describe wh= at exactly the egress LSR is doing before punting the packet. Best regards Matthew --_000_VI1PR0701MB699178FA170E1A08D73FBE07EBAF0VI1PR0701MB6991_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Hello

 

I have been selecte= d as an MPLS-RT reviewer for this draft.

 

In general, I agree= with the comments posted previously regarding the use of GAL/ACH to identi= fy IOAM packets and create an exception mechanism to enable their processin= g at intermediate nodes in the hop-by-hop case. I think that this is the main issue blocking adoption.

 

One other comment: = on page 5, =93Procedure for Edge-to-Edge IOAM=94. There is some text in the= second bullet describing a process by which the decapsulating node =93forw= ards and punts the timestamped copy=94. I assume what is happening here is that the egress LSR is copying the IOAM packet a= nd punting the copied packet to the slow path for OAM processing, while for= warding the payload. Maybe there is a more detailed description in one of t= he references, but it would be much clearer to expand this paragraph to describe what exactly the egress LSR i= s doing before punting the packet.

 

Best regards

 

Matthew<= /span>

--_000_VI1PR0701MB699178FA170E1A08D73FBE07EBAF0VI1PR0701MB6991_-- From nobody Thu Jan 7 14:31:34 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1B8A83A0AD6; Thu, 7 Jan 2021 14:31:33 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.097 X-Spam-Level: X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OT9XXhWuEW8O; Thu, 7 Jan 2021 14:31:30 -0800 (PST) Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5BAD33A0A9E; Thu, 7 Jan 2021 14:31:30 -0800 (PST) Received: by mail-lf1-x12c.google.com with SMTP id o10so7474251lfl.13; Thu, 07 Jan 2021 14:31:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=1rO/sZ49Lc0+HKpUcAnHI5MEqYQ67BUwURp5wucj7ts=; b=uhm3YuK6BpcHcJTx5vpKP49VeKFUJFeLKY3mXNWm9pqJe2Co9PeevHrKcEsLYi3tVL HB0ozmgIcOT61jljQ+SkmFrdL1LW26q20ySLtzOAgY/hcHD4UBVoOu1wIH57QLA1RWL6 oXvlzeUhBOUhoJyVC+yGvZHiWrbgoi+pwHKyA9poHIDI5WVGqYzTv7Ch+BFT92AbFNTi 2+rPh1KL0d93AdBzihRIMeulGYn7QWb6Id8IiNyYgDdrpeRCIshQnRKUWIKkl+L0kHZf PZ9FgWPd6ixDYYRjzCXbP1qcHy45dVhfOxAszlGv11XUKocGFsbFzfq11ivE1Mx2RQLI 7k+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=1rO/sZ49Lc0+HKpUcAnHI5MEqYQ67BUwURp5wucj7ts=; b=QrHKmUnc9vpeMboQH0m9d7TAUJ2JmuMao3AOt5lCEFN9v0KHM4iexZLCzW4qPNhdWB MyYZtGu5FpkSqRC8yMKg8jPMnWS0Ypm7452eQsjzjSZejH6o7nImsXyJwPaHg9SKsMuK 8L5pHsNHVFSqH+PvOyplTC4Yr6yg9KlOBmLDMVZvQ056KFvSqvQ1YaV4QPo0USCjE+yF RDbQ0SDwaacbyCmfQEY5gq/iUxYA3lwicyFZvjQ7y7v9UzaAyPljogc2pYsXtBHfuUXu wR6lP24LYyEQACeZdujX28VjwuBPu2OBHaeFECGo595uRxpwBFZ6HDTrvOygN+9NclsJ WJKA== X-Gm-Message-State: AOAM532ji7Ub4aZbW0hv478YVDb03X7Pa170EDYcz/KxdW/q1sYpYAy1 k9EhZS3yt1SYTpOc65kfVGH5ZSGmh9QuNQ+Igm8= X-Google-Smtp-Source: ABdhPJxjFg95us8elGOSEbZrq2VL+Iaegx0qVovwnqpsgfhNE+uEd1feKDa8nW47Lesb5TfITBZZ/14IGzwFVFRbvKQ= X-Received: by 2002:ac2:50c1:: with SMTP id h1mr414243lfm.350.1610058688650; Thu, 07 Jan 2021 14:31:28 -0800 (PST) MIME-Version: 1.0 References: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> In-Reply-To: From: Greg Mirsky Date: Thu, 7 Jan 2021 14:31:18 -0800 Message-ID: To: Mach Chen Cc: Loa Andersson , Stewart Bryant , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs Content-Type: multipart/alternative; boundary="00000000000034613805b8570013" Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 22:31:33 -0000 --00000000000034613805b8570013 Content-Type: text/plain; charset="UTF-8" Hi Mach, if I may extend the parallel with the solution described in RFC 8169, one of the challenges to be addressed was supporting a heterogeneous environment. In such an environment, the next RTM-capable LSR might not be the immediate downstream but several hops down. I suspect that the IOAM Hop-by-hop tracing option might be introduced gradually and thus the heterogeneous environment scenario should be supported by the proposed solution. What do you think? Regards, Greg On Thu, Jan 7, 2021 at 12:08 AM Mach Chen wrote: > Hi Loa, > > It depends where to put the (e)SPL and how to process the eSPL. If we > define an eSPL and always put the eSPL on the top of the label stack. It > means when sending a packet to next LSR, an eSPL will be put on the top of > the stack, when the next LSR received the packet, the eSPL indicates iOAM > related process needed, then pop off eSPL and process the next label that > will result in forwarding the packet to the next LSR. When sending the > packet to next LSR, an eSPL will be put back on the top of the stack. It > just likes popping off two labels and pushing one label back. But this > requires that all the LSRs along the packet MUST know how to process the > eSPL, otherwise, the packet may be discarded. > > Best regards, > Mach > > > -----Original Message----- > > From: Loa Andersson [mailto:loa@pi.nu] > > Sent: Thursday, January 7, 2021 1:13 PM > > To: Mach Chen ; Greg Mirsky > > > > Cc: Stewart Bryant ; Rakesh Gandhi (rgandhi) > > ; mpls ; > > draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs > > Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > > > > Maach, > > > > If it is a requirement from iOAM to do hop by hop processing, then the > SPL/eSPL > > is a very blunt tool, there is is always a risk that the (e)SPL label > that indicate > > the special behavior is below the maximum stack depth that can be > scanned. > > > > Right? > > > > If we create a FEC that says "this packet has a hop by hop processing > > requirement, go find the ACH-header immediately after the label stack to > see > > what you need to do." That would not solve the immediate problem but > also be > > useful for the future. > > > > /Loa > > > > > > On 07/01/2021 11:50, Mach Chen wrote: > > > Hi all, > > > > > > IMHO, I think the key issue is that there is no hop-by-hop option in > > > MPLS, but the iOAM requires that. > > > > > > There are three potential options: > > > > > > 1)Scan the stack and find the (e)SPL label that indicate the special > > > behavior; > > > > > > 2)Introduce an (e)SPL and always keep it on the top of the label > > > stack; > > > > > > 3)Use the way as Stewart suggested, a new FEC, just like the SFL; > > > > > > Best regards, > > > > > > Mach > > > > > > *From:*Greg Mirsky [mailto:gregimirsky@gmail.com] > > > *Sent:* Thursday, January 7, 2021 11:30 AM > > > *To:* Loa Andersson > > > *Cc:* Stewart Bryant ; Rakesh Gandhi > > > (rgandhi) ; mpls ; > > > draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs > > > *Subject:* Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > > > > > > Hi Loa, et al., > > > > > > RFC 8169 uses TTL expiration to achieve processing at each RTM-capable > > > node. That approach creates a state in transient nodes and may not fit > > > with the "no state" paradigm of the Segment Routing. > > > > > > And I've got a question. AFAIK, the presence of ACH in an MPLS LSP is > > > indicated by GAL. Is there an intention to introduce another (E)SPL > > > for that? > > > > > > Regards, > > > > > > Greg > > > > > > On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson > > > wrote: > > > > > > Stewart, > > > > > > If we want to make sure that packets are processed at evey node, > is the > > > new FEC complementary to the ACH-header or an alternative? > > > > > > /Loa > > > > > > On 05/01/2021 00:30, Stewart Bryant wrote: > > > > > > > > > > > >> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) > > > >> > > > > >> =40cisco.com@dmarc.ietf.org > > > >> wrote: > > > >> > > > >> Yes, this is similar to the entropy label where a > mid-point node > > > >> needs to scan the label stack to find the indicator label. We > can add > > > >> some text to clarify this. There is already an optimization to > use a > > > >> different indicator label for HbH compared to E2E case to > > > >> unnecessarily avoid parsing the IOAM data fields. > > > > > > > > The EL is entirely optional to process. It is no more than a > hint to use > > > > in ECMP and there is no architectural requirement to find it to > operate > > > > correctly. > > > > > > > > If iOAM is purely a option then you could scan the stack and > hope that > > > > you can reach down far enough to find it. Though there is a > fight to > > see > > > > who gets to be the lowest label in range of the forwarding > parser. > > > > > > > > If you want to be sure that iOAM is processed HxH then you really > > need > > > > to run it on a new FEC with that behaviour built into the FEC. > That > > > > would be the architected way of doing this in MPLS. > > > > > > > > - Stewart > > > > > > > > > > > > > > > > _______________________________________________ > > > > mpls mailing list > > > > mpls@ietf.org > > > > https://www.ietf.org/mailman/listinfo/mpls > > > > > > > > > > > > > -- > > > > > > Loa Andersson email: loa@pi.nu > > > > > Senior MPLS Expert loa.pi.nu@gmail.com > > > > > Bronze Dragon Consulting phone: +46 739 81 21 64 > > > > > > _______________________________________________ > > > mpls mailing list > > > mpls@ietf.org > > > https://www.ietf.org/mailman/listinfo/mpls > > > > > > > > > > -- > > > > Loa Andersson email: loa@pi.nu > > Senior MPLS Expert loa.pi.nu@gmail.com > > Bronze Dragon Consulting phone: +46 739 81 21 64 > --00000000000034613805b8570013 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Mach,
if I may extend the parallel with the solutio= n described in RFC 8169, one of the challenges to be addressed was supporti= ng a heterogeneous environment. In such an environment, the next RTM-capabl= e LSR might not be the immediate downstream but several hops down. I suspec= t that the IOAM Hop-by-hop tracing option might be introduced gradually and= thus the heterogeneous environment scenario should be supported by the pro= posed solution.
What do you think?

Regar= ds,
Greg

On Thu, Jan 7, 2021 at 12:08 AM Mach Chen <mach.chen@huawei.com> wrote:
<= /div>
Hi Loa,

It depends where to put the (e)SPL and how to process the eSPL. If we defin= e an eSPL and always put the eSPL on the top of the label stack. It means w= hen sending a packet to next LSR, an eSPL will be put on the top of the sta= ck, when the next LSR received the packet, the eSPL indicates iOAM related = process needed, then pop off eSPL and process the next label that will resu= lt in forwarding the packet to the next LSR. When sending the packet to nex= t LSR, an eSPL will be put back on the top of the stack. It just likes popp= ing off two labels and pushing one label back. But this requires that all t= he LSRs along the packet MUST know how to process the eSPL, otherwise, the = packet may be discarded.

Best regards,
Mach

> -----Original Message-----
> From: Loa Andersson [mailto:loa@pi.nu]
> Sent: Thursday, January 7, 2021 1:13 PM
> To: Mach Chen <mach.chen@huawei.com>; Greg Mirsky
> <gregimi= rsky@gmail.com>
> Cc: Stewart Bryant <stewart.bryant@gmail.com>; Rakesh Gandhi (rgandhi) > <rgandhi=3D40cisco.com@dmarc.ietf.org>; mpls <mpls@ietf.org>;
> draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs <mpls-chairs@ietf.org>
> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
>
> Maach,
>
> If it is a requirement from iOAM to do hop by hop processing, then the= SPL/eSPL
> is a very blunt tool, there is is always a risk that the (e)SPL label = that indicate
> the special behavior is below the maximum stack depth that can be scan= ned.
>
> Right?
>
> If we create a FEC that says "this packet has a hop by hop proces= sing
> requirement, go find the ACH-header immediately after the label stack = to see
> what you need to do." That would not solve the immediate problem = but also be
> useful for the future.
>
> /Loa
>
>
> On 07/01/2021 11:50, Mach Chen wrote:
> > Hi all,
> >
> > IMHO, I think the key issue is that there is no hop-by-hop option= in
> > MPLS, but the iOAM requires that.
> >
> > There are three potential options:
> >
> > 1)Scan the stack and find the (e)SPL label that indicate the spec= ial
> > behavior;
> >
> > 2)Introduce an (e)SPL and always keep it on the top of the label<= br> > > stack;
> >
> > 3)Use the way as Stewart suggested, a new FEC, just like the SFL;=
> >
> > Best regards,
> >
> > Mach
> >
> > *From:*Greg Mirsky [mailto:gregimirsky@gmail.com]
> > *Sent:* Thursday, January 7, 2021 11:30 AM
> > *To:* Loa Andersson <loa@pi.nu>
> > *Cc:* Stewart Bryant <stewart.bryant@gmail.com>; Rakesh Gandhi
> > (rgandhi) <rgandhi=3D40cisco.com@dmarc.ietf.org>; mpls <mpls@ietf.org>;
> > draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs <mpls-chairs@ietf.org><= br> > > *Subject:* Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr= -04
> >
> > Hi Loa, et al.,
> >
> > RFC 8169 uses TTL expiration to achieve processing at each RTM-ca= pable
> > node. That approach creates a state in transient nodes and may no= t fit
> > with the "no state" paradigm of the Segment Routing. > >
> > And I've got a question. AFAIK, the presence of ACH in an MPL= S LSP is
> > indicated by GAL. Is there an intention to introduce another (E)S= PL
> > for that?
> >
> > Regards,
> >
> > Greg
> >
> > On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson <loa@pi.nu
> > <mailto:loa@pi.= nu>> wrote:
> >
> >=C2=A0 =C2=A0 =C2=A0Stewart,
> >
> >=C2=A0 =C2=A0 =C2=A0If we want to make sure that packets are proce= ssed at evey node, is the
> >=C2=A0 =C2=A0 =C2=A0new FEC complementary to the ACH-header or an = alternative?
> >
> >=C2=A0 =C2=A0 =C2=A0/Loa
> >
> >=C2=A0 =C2=A0 =C2=A0On 05/01/2021 00:30, Stewart Bryant wrote:
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0>> On 4 Jan 2021, at 14:38, Rakesh Gandh= i (rgandhi)
> >=C2=A0 =C2=A0 =C2=A0>> <rgandhi=3D40cisco.com@dmarc.ietf.org
> <mailto:40cisco.com@dmarc.ietf.org>
> >=C2=A0 =C2=A0 =C2=A0>> <mailto:rgandhi <mailto:rgandhi>=3D40cisco.com@dmarc.ietf.org
> >=C2=A0 =C2=A0 =C2=A0<mailto:40cisco.com@dmarc.ietf.org>>> wro= te:
> >=C2=A0 =C2=A0 =C2=A0>>
> >=C2=A0 =C2=A0 =C2=A0>> <RG> Yes, this is similar to th= e entropy label where a mid-point node
> >=C2=A0 =C2=A0 =C2=A0>> needs to scan the label stack to find= the indicator label. We can add
> >=C2=A0 =C2=A0 =C2=A0>> some text to clarify this. There is a= lready an optimization to use a
> >=C2=A0 =C2=A0 =C2=A0>> different indicator label for HbH com= pared to E2E case to
> >=C2=A0 =C2=A0 =C2=A0>> unnecessarily avoid parsing the IOAM = data fields.
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0> The EL is entirely optional to process. I= t is no more than a hint to use
> >=C2=A0 =C2=A0 =C2=A0> in ECMP and there is no architectural req= uirement to find it to operate
> >=C2=A0 =C2=A0 =C2=A0> correctly.
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0> If iOAM is purely a option then you could= scan the stack and hope that
> >=C2=A0 =C2=A0 =C2=A0> you can reach down far enough to find it.= Though there is a fight to
> see
> >=C2=A0 =C2=A0 =C2=A0> who gets to be the lowest label in range = of the forwarding parser.
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0> If you want to be sure that iOAM is proce= ssed HxH then you really
> need
> >=C2=A0 =C2=A0 =C2=A0> to run it on a new FEC with that behaviou= r built into the FEC. That
> >=C2=A0 =C2=A0 =C2=A0> would be the architected way of doing thi= s in MPLS.
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0> - Stewart
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0>
> >=C2=A0 =C2=A0 =C2=A0> _________________________________________= ______
> >=C2=A0 =C2=A0 =C2=A0> mpls mailing list
> >=C2=A0 =C2=A0 =C2=A0> mpls@ietf.org <mailto:mpls@ietf.org>
> >=C2=A0 =C2=A0 =C2=A0> https://www.ietf.org/mai= lman/listinfo/mpls
> >=C2=A0 =C2=A0 =C2=A0<https://www.ietf.org/mail= man/listinfo/mpls>
> >=C2=A0 =C2=A0 =C2=A0>
> >
> >=C2=A0 =C2=A0 =C2=A0--
> >
> >=C2=A0 =C2=A0 =C2=A0Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
> <mailto:loa@pi.nu>
> >=C2=A0 =C2=A0 =C2=A0Senior MPLS Expert
loa.pi.nu@gmail.com
> <mailto:lo= a.pi.nu@gmail.com>
> >=C2=A0 =C2=A0 =C2=A0Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0phone: +46 739 81 21 64
> >
> >=C2=A0 =C2=A0 =C2=A0______________________________________________= _
> >=C2=A0 =C2=A0 =C2=A0mpls mailing list
> >=C2=A0 =C2=A0 =C2=A0mpls@ietf.org <mailto:mpls@ietf.org>
> >=C2=A0 =C2=A0 =C2=A0https://www.ietf.org/mailman/= listinfo/mpls
> >=C2=A0 =C2=A0 =C2=A0<https://www.ietf.org/mail= man/listinfo/mpls>
> >
>
> --
>
> Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
> Senior MPLS Expert=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 loa.pi.nu@gmail.com
> Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0phone: +46 739 81 21 64
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CC: Loa Andersson , Stewart Bryant , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyDHDvVF1VdnUGaj2r8EB36K6oPXEywgAe3xoCAAB+GgIAD2h+AgAAC04CAAImZwP//kvKAgACcrUCAAIWKAIAAskHQ Date: Fri, 8 Jan 2021 01:15:31 +0000 Message-ID: References: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.243.140] Content-Type: multipart/alternative; boundary="_000_F73A3CB31E8BE34FA1BBE3C8F0CB2AE2980D61A1dggeml510mbschi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 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Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jan 2021 14:51:12 -0000 TWFjaCwNCg0KCUkgYmVsaWV2ZSB0aGF0IGFsd2F5cyBwdXR0aW5nIHRoZSBlU1BMIG9uIHRoZSB0 b3Agb2YgdGhlIHN0YWNrIHByZXR0eSBtdWNoIG1hbmRhdGVzIHViaXF1aXRvdXMgKG5vbi1oZXRl cm9nZW5lb3VzKSBkZXBsb3ltZW50IG9mIGRldmljZXMgdGhhdCBuZWNlc3NhcmlseSBzdXBwb3J0 IGlPQU0gLSBjb3JyZWN0Pw0KDQotLQ0KRXJpYw0KDQotLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0t LQ0KRnJvbTogbXBscyA8bXBscy1ib3VuY2VzQGlldGYub3JnPiBPbiBCZWhhbGYgT2YgTWFjaCBD aGVuDQpTZW50OiBUaHVyc2RheSwgSmFudWFyeSA3LCAyMDIxIDM6MDkgQU0NClRvOiBMb2EgQW5k ZXJzc29uIDxsb2FAcGkubnU+OyBHcmVnIE1pcnNreSA8Z3JlZ2ltaXJza3lAZ21haWwuY29tPg0K Q2M6IG1wbHMtY2hhaXJzIDxtcGxzLWNoYWlyc0BpZXRmLm9yZz47IG1wbHMgPG1wbHNAaWV0Zi5v cmc+OyBkcmFmdC1nYW5kaGktbXBscy1pb2FtLXNyQGlldGYub3JnOyBSYWtlc2ggR2FuZGhpIChy 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boundary="_000_DM6PR11MB31152CAA1564A954B733D5A8BFAE0DM6PR11MB3115namp_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR11MB3115.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e9ee72bd-bdb1-440a-0889-08d8b41ab3d7 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Jan 2021 21:16:45.1259 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: xwdWsY2MIRFgvIUjk9y3zVTJ4s7YfcBRQJAAA+8tAVNraQk2IZZEWgQSNC1XqyWZsWhrqHVPsYZKuRuAUMmlBg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB1722 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.12, xch-rcd-002.cisco.com X-Outbound-Node: alln-core-10.cisco.com Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jan 2021 21:16:51 -0000 --_000_DM6PR11MB31152CAA1564A954B733D5A8BFAE0DM6PR11MB3115namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Loa, If we create a hop-by-hop FEC (similar to synonymous label), I think the pa= cket header encoding with ACH could look like following. I am not sure if t= here would be a need to also add GAL or E(SPL) just before the ACH header. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Synonymous IOAM Label(1) | TC |S| TTL | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ . . +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Synonymous IOAM Label(n) | TC |S| TTL | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<-+ |0 0 0 1|Version| Reserved | IOAM G-ACh Type | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | Reserved | Block Number | IOAM-OPT-Type |IOAM HDR Length| | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ I | | O | | A ~ IOAM Option and Data Space ~ M | | | | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<-+ | | | | | Payload + Padding | | | | | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Thanks, Rakesh From: Loa Andersson Date: Wednesday, January 6, 2021 at 10:50 PM To: Greg Mirsky Cc: Stewart Bryant , Rakesh Gandhi (rgandhi) , mpls , draft-gandhi-mpls-ioam-sr@ietf.org <= draft-gandhi-mpls-ioam-sr@ietf.org>, mpls-chairs Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Greg, (feeling the water) if we create a hop-by-hop FEC, that in itself could indicate the presence of the ACH-header, right? /Loa On 07/01/2021 11:30, Greg Mirsky wrote: > Hi Loa, et al., > RFC 8169 uses TTL expiration to achieve processing at each RTM-capable > node. That approach creates a state in transient nodes and may not fit > with the "no state" paradigm of the Segment Routing. > And I've got a question. AFAIK, the presence of ACH in an MPLS LSP is > indicated by GAL. Is there an intention to introduce another (E)SPL for > that? > > Regards, > Greg > > On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson > wrote: > > Stewart, > > If we want to make sure that packets are processed at evey node, is t= he > new FEC complementary to the ACH-header or an alternative? > > /Loa > > On 05/01/2021 00:30, Stewart Bryant wrote: > > > > > >> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) > >> > >> =3D40cisco.com@dmarc.ietf.org > >> wrote: > >> > >> Yes, this is similar to the entropy label where a mid-point > node > >> needs to scan the label stack to find the indicator label. We > can add > >> some text to clarify this. There is already an optimization to > use a > >> different indicator label for HbH compared to E2E case to > >> unnecessarily avoid parsing the IOAM data fields. > > > > The EL is entirely optional to process. It is no more than a hint > to use > > in ECMP and there is no architectural requirement to find it to > operate > > correctly. > > > > If iOAM is purely a option then you could scan the stack and hope > that > > you can reach down far enough to find it. Though there is a fight > to see > > who gets to be the lowest label in range of the forwarding parser. > > > > If you want to be sure that iOAM is processed HxH then you really > need > > to run it on a new FEC with that behaviour built into the FEC. Tha= t > > would be the architected way of doing this in MPLS. > > > > - Stewart > > > > > > > > _______________________________________________ > > mpls mailing list > > mpls@ietf.org > > https://www.ietf.org/mailman/listinfo/mpls > > > > > -- > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 --_000_DM6PR11MB31152CAA1564A954B733D5A8BFAE0DM6PR11MB3115namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Loa,

 

If we create a hop-by-hop FEC (similar to synonymous= label), I think the packet header encoding with ACH could look like follow= ing. I am not sure if there would be a need to also add GAL or E(SPL) just = before the ACH header.

 

   0       &n= bsp;           1 &nb= sp;            =      2        &= nbsp;          3

   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2= 3 4 5 6 7 8 9 0 1

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+

   |  Synonymous IOAM Label(1)  &= nbsp;          | TC  |S|&= nbsp; TTL          |

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+

   .       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     .

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+

   |  Synonymous IOAM Label(n)  &= nbsp;          | TC  |S|&= nbsp; TTL          |

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+<-+

   |0 0 0 1|Version|   Reserved &= nbsp;  |          IOAM G-= ACh Type      |  |

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+  |

   | Reserved      | Bl= ock Number  | IOAM-OPT-Type |IOAM HDR Length|  |

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+  I

   |       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     |  O

   |       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     |  A

   ~       &n= bsp;         IOAM Option and Data S= pace            = ;        ~  M

   |       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     |  |

   |       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     |  |

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+<-+

   |        &= nbsp;           &nbs= p;            &= nbsp;           &nbs= p;            &= nbsp;    |

   |       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     |

   |       &n= bsp;         Payload + Padding = ;            &n= bsp;            = ;   |

   |       &n= bsp;            = ;            &n= bsp;            = ;             &= nbsp;    |

   |       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     |

   |       &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;     |

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+-+-+-+-+-+

 

Thanks,

Rakesh

 

 

From: Loa Andersson <l= oa@pi.nu>
Date: Wednesday, January 6, 2021 at 10:50 PM
To: Greg Mirsky <gregimirsky@gmail.com>
Cc: Stewart Bryant <stewart.bryant@gmail.com>, Rakesh Gandhi (= rgandhi) <rgandhi@cisco.com>, mpls <mpls@ietf.org>, draft-gandh= i-mpls-ioam-sr@ietf.org <draft-gandhi-mpls-ioam-sr@ietf.org>, mpls-ch= airs <mpls-chairs@ietf.org>
Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04

Greg,

(feeling the water) if we create a hop-by-hop FEC, that in itself could indicate the presence of the ACH-header, right?

/Loa

On 07/01/2021 11:30, Greg Mirsky wrote:
> Hi Loa, et al.,
> RFC 8169 uses TTL expiration to achieve processing at each RTM-capable=
> node. That approach creates a state in transient nodes and may not fit=
> with the "no state" paradigm of the Segment Routing.
> And I've got a question. AFAIK, the presence of ACH in an MPLS LSP is =
> indicated by GAL. Is there an intention to introduce another (E)SPL fo= r
> that?
>
> Regards,
> Greg
>
> On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson <loa@pi.nu
> <mailto:loa@pi.nu>> wrote: >
>     Stewart,
>
>     If we want to make sure that packets are proce= ssed at evey node, is the
>     new FEC complementary to the ACH-header or an = alternative?
>
>     /Loa
>
>     On 05/01/2021 00:30, Stewart Bryant wrote:
>      >
>      >
>      >> On 4 Jan 2021, at 14:38, Rakesh= Gandhi (rgandhi)
>      >> <rgandhi=3D40cisco.com@dmarc= .ietf.org
>     <mailto:40cisco.com@dmarc.ietf.org>
>      >> <mailto:rgandhi <mailto:rgandhi>=3D40cisco.com@dmarc.ietf.org
>     <mailto:40cisco.com@dmarc.ietf.org>>> wrote:
>      >>
>      >> <RG> Yes, this is similar= to the entropy label where a mid-point
>     node
>      >> needs to scan the label stack t= o find the indicator label. We
>     can add
>      >> some text to clarify this. Ther= e is already an optimization to
>     use a
>      >> different indicator label for H= bH compared to E2E case to
>      >> unnecessarily avoid parsing the= IOAM data fields.
>      >
>      > The EL is entirely optional to proc= ess. It is no more than a hint
>     to use
>      > in ECMP and there is no architectur= al requirement to find it to
>     operate
>      > correctly.
>      >
>      > If iOAM is purely a option then you= could scan the stack and hope
>     that
>      > you can reach down far enough to fi= nd it. Though there is a fight
>     to see
>      > who gets to be the lowest label in = range of the forwarding parser.
>      >
>      > If you want to be sure that iOAM is= processed HxH then you really
>     need
>      > to run it on a new FEC with that be= haviour built into the FEC. That
>      > would be the architected way of doi= ng this in MPLS.
>      >
>      > - Stewart
>      >
>      >
>      >
>      > ___________________________________= ____________
>      > mpls mailing list
>      > mpls@ietf.org <mailto:mpls@ietf.org>
>      > https://www.ietf.org/mailman/listinfo/mpls
>     <https://www.ietf.org/mailman/listinfo/mpls>
>      >
>
>     --
>
>     Loa Andersson         = ;               email: loa@pi.nu <mailto:loa@pi.nu>
>     Senior MPLS Expert loa.pi.nu@gmail.com <mailto:loa.pi.nu@gmail.com>
>     Bronze Dragon Consulting      &= nbsp;      phone: +46 739 81 21 64
>
>     ______________________________________________= _
>     mpls mailing list
>     mpls@ietf.org <mailto:mpls@ietf.org>
>     https://www.ietf.org/mailman/listinfo/mpls
>     <https://www.ietf.org/mailman/listinfo/mpls>
>

--

Loa Andersson          &n= bsp;            = ; email: loa@pi.nu
Senior MPLS Expert         &nb= sp;            =     loa.pi.nu@gmail.com
Bronze Dragon Consulting        &nb= sp;    phone: +46 739 81 21 64

--_000_DM6PR11MB31152CAA1564A954B733D5A8BFAE0DM6PR11MB3115namp_-- From nobody Fri Jan 8 21:23:17 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B13923A0CAC; Fri, 8 Jan 2021 21:23:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.159 X-Spam-Level: X-Spam-Status: No, score=-2.159 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.262, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5s1iA5bXcgNu; Fri, 8 Jan 2021 21:23:12 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 37B6F3A0C97; Fri, 8 Jan 2021 21:23:10 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 48B5032844D; Sat, 9 Jan 2021 06:23:07 +0100 (CET) To: Eric Gray , Mach Chen , Greg Mirsky Cc: mpls-chairs , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , "Rakesh Gandhi (rgandhi)" References: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> From: Loa Andersson Message-ID: <62ac523f-47c8-81f2-fcea-effb93a6ae5c@pi.nu> Date: Sat, 9 Jan 2021 13:23:02 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Jan 2021 05:23:15 -0000 Eric, Inline please. On 08/01/2021 22:48, Eric Gray wrote: > Loa, > > As a clarification, did you mean to say "... would not _ONLY_ solve the immediate problem but also be useful for the future"? yes > > As a further clarification, does this align with Stewart's suggestion (using a separate FEC) below? I think so but have not discussed this with Stewart. > > As a final question, is it not the case that having a separate FEC for any sort of OAM introduces a non-trivial risk of resulting in the OAM PDU being treated differently than a corresponding (possibly even otherwise identical) non-OAM PDU - thus reducing the usefulness of OAM? yes, that would be true both for both creating a new FEC or allocate a new eSPL, as soon as you have the requirement of the same forwarding > > For instance, if you have two FEC entries - one for "normal" forwarding and another for "special" processing of PDUs intended to otherwise be forwarded identically - there is a possibility (not much point in speculating how likely/unlikely) that the NHLFE for the normal forwarding case might be lost at some point along an LSP and the loss not be detected because the "special" NHLFE remains... I hear you, but I would also like to hear from Rakesh and other OAM specialists about this. If there are two parallel FEC entries (mormal and special), there the normal does not need to be processed a every node. while the special does. That seems to be antagonistic requirements. The lesson from MPLS-TP was "OAM traffic need to be forwarded the same way as the normal traffic." Unless you want to forward all traffic on the special FEC (or for that matter eSPL). Anyone that can sort this out. /Loa > > -- > Eric > > -----Original Message----- > From: mpls On Behalf Of Loa Andersson > Sent: Thursday, January 7, 2021 12:13 AM > To: Mach Chen ; Greg Mirsky > Cc: mpls-chairs ; mpls ; draft-gandhi-mpls-ioam-sr@ietf.org; Rakesh Gandhi (rgandhi) > Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > > Maach, > > If it is a requirement from iOAM to do hop by hop processing, then the SPL/eSPL is a very blunt tool, there is is always a risk that the (e)SPL label that indicate the special behavior is below the maximum stack depth that can be scanned. > > Right? > > If we create a FEC that says "this packet has a hop by hop processing requirement, go find the ACH-header immediately after the label stack to see what you need to do." That would not solve the immediate problem but also be useful for the future. > > /Loa > > > On 07/01/2021 11:50, Mach Chen wrote: >> Hi all, >> >> IMHO, I think the key issue is that there is no hop-by-hop option in >> MPLS, but the iOAM requires that. >> >> There are three potential options: >> >> 1)Scan the stack and find the (e)SPL label that indicate the special >> behavior; >> >> 2)Introduce an (e)SPL and always keep it on the top of the label >> stack; >> >> 3)Use the way as Stewart suggested, a new FEC, just like the SFL; >> >> Best regards, >> >> Mach >> >> *From:*Greg Mirsky [mailto:gregimirsky@gmail.com] >> *Sent:* Thursday, January 7, 2021 11:30 AM >> *To:* Loa Andersson >> *Cc:* Stewart Bryant ; Rakesh Gandhi >> (rgandhi) ; mpls ; >> draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs >> *Subject:* Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >> >> Hi Loa, et al., >> >> RFC 8169 uses TTL expiration to achieve processing at each RTM-capable >> node. That approach creates a state in transient nodes and may not fit >> with the "no state" paradigm of the Segment Routing. >> >> And I've got a question. AFAIK, the presence of ACH in an MPLS LSP is >> indicated by GAL. Is there an intention to introduce another (E)SPL >> for that? >> >> Regards, >> >> Greg >> >> On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson > > wrote: >> >> Stewart, >> >> If we want to make sure that packets are processed at evey node, is the >> new FEC complementary to the ACH-header or an alternative? >> >> /Loa >> >> On 05/01/2021 00:30, Stewart Bryant wrote: >> > >> > >> >> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) >> >> >> >> =40cisco.com@dmarc.ietf.org >> >> wrote: >> >> >> >> Yes, this is similar to the entropy label where a mid-point node >> >> needs to scan the label stack to find the indicator label. We can add >> >> some text to clarify this. There is already an optimization to use a >> >> different indicator label for HbH compared to E2E case to >> >> unnecessarily avoid parsing the IOAM data fields. >> > >> > The EL is entirely optional to process. It is no more than a hint to use >> > in ECMP and there is no architectural requirement to find it to operate >> > correctly. >> > >> > If iOAM is purely a option then you could scan the stack and hope that >> > you can reach down far enough to find it. Though there is a fight to see >> > who gets to be the lowest label in range of the forwarding parser. >> > >> > If you want to be sure that iOAM is processed HxH then you really need >> > to run it on a new FEC with that behaviour built into the FEC. That >> > would be the architected way of doing this in MPLS. >> > >> > - Stewart >> > >> > >> > >> > _______________________________________________ >> > mpls mailing list >> > mpls@ietf.org >> > https://www.ietf.org/mailman/listinfo/mpls >> >> > >> >> -- >> >> Loa Andersson                        email: loa@pi.nu >> Senior MPLS Expert loa.pi.nu@gmail.com >> Bronze Dragon Consulting             phone: +46 739 81 21 64 >> >> _______________________________________________ >> mpls mailing list >> mpls@ietf.org >> https://www.ietf.org/mailman/listinfo/mpls >> >> > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Sat Jan 9 07:47:53 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id F0E5E3A136E; Sat, 9 Jan 2021 07:47:47 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: mpls@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: mpls@ietf.org Message-ID: <161020726794.17530.11589439685950388453@ietfa.amsl.com> Date: Sat, 09 Jan 2021 07:47:47 -0800 Archived-At: Subject: [mpls] I-D Action: draft-gandhi-mpls-ioam-sr-05.txt X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Jan 2021 15:47:48 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Multiprotocol Label Switching WG of the IETF. Title : MPLS Data Plane Encapsulation for In-situ OAM Data Authors : Rakesh Gandhi Zafar Ali Clarence Filsfils Frank Brockners Bin Wen Voitek Kozak Filename : draft-gandhi-mpls-ioam-sr-05.txt Pages : 14 Date : 2021-01-09 Abstract: In-situ Operations, Administration, and Maintenance (IOAM) records operational and telemetry information in the data packet while the packet traverses a path between two nodes in the network. This document defines how IOAM data fields are transported with MPLS data plane encapsulation using new Generic Associated Channel (G-ACh), including Segment Routing (SR) with MPLS data plane (SR-MPLS). The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-gandhi-mpls-ioam-sr/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-gandhi-mpls-ioam-sr-05 https://datatracker.ietf.org/doc/html/draft-gandhi-mpls-ioam-sr-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-gandhi-mpls-ioam-sr-05 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Sun Jan 10 18:02:38 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C199F3A1497; Sun, 10 Jan 2021 18:02:36 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oYWaC3FdE-9L; Sun, 10 Jan 2021 18:02:35 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate 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Gray , Loa Andersson , Greg Mirsky CC: mpls-chairs , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , "Rakesh Gandhi (rgandhi)" Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyDHDvVF1VdnUGaj2r8EB36K6oPXEywgAe3xoCAAB+GgIAD2h+AgAAC04CAAImZwP//kvKAgACcrUCAAZdGAIAEZgNA Date: Mon, 11 Jan 2021 02:02:26 +0000 Message-ID: References: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.243.140] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jan 2021 02:02:37 -0000 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ICAgICAgIGxvYS5waS5udUBnbWFpbC5jb20NCj4gPiBCcm9uemUgRHJhZ29uIENvbnN1bHRpbmcg ICAgICAgICAgICAgcGhvbmU6ICs0NiA3MzkgODEgMjEgNjQNCj4gX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCj4gbXBscyBtYWlsaW5nIGxpc3QNCj4gbXBs c0BpZXRmLm9yZw0KPiBodHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL21wbHMN Cg== From nobody Sun Jan 10 23:03:34 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 07BA53A1669; Sun, 10 Jan 2021 23:03:32 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Meeting Session Request Tool To: Cc: db3546@att.com, mach.chen@huawei.com, mpls-chairs@ietf.org, mpls@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <161034861193.12946.6221958752942102668@ietfa.amsl.com> Date: Sun, 10 Jan 2021 23:03:31 -0800 Archived-At: Subject: [mpls] mpls - New Meeting Session Request for IETF 110 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jan 2021 07:03:32 -0000 A new meeting session request has just been submitted by Mach Chen, a Secretary of the mpls working group. --------------------------------------------------------- Working Group Name: Multiprotocol Label Switching Area Name: Routing Area Session Requester: Mach Chen Number of Sessions: 1 Length of Session(s): 2 Hours Number of Attendees: 80 Conflicts to Avoid: Technology Overlap: spring pce ccamp detnet bier bess nvo3 teas People who must be present: Loa Andersson Deborah Brungard Mach Chen Nicolai Leymann Tarek Saad Resources Requested: Special Requests: --------------------------------------------------------- From nobody Mon Jan 11 04:27:30 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com 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11 Jan 2021 04:27:19 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) From: Stewart Bryant In-Reply-To: Date: Mon, 11 Jan 2021 12:27:15 +0000 Cc: Stewart Bryant , loa Andersson , Greg Mirsky , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs Content-Transfer-Encoding: quoted-printable Message-Id: <020253AA-9A4F-423E-94EF-74ECEF9A6040@gmail.com> References: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> To: Mach Chen X-Mailer: Apple Mail (2.3608.120.23.2.4) Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jan 2021 12:27:29 -0000 Yes that would work, but it means that you have to do three lookups at = every hop and push three labels, and that is without searching for the = ELI. Those extra two labels reduce the number of SR labels you can push. If = you need an EL that would mean that the legacy nodes that can only push = 4 labels just burned their way through their limit without saying where = the packet was going.=20 We can obviously do this, but I worry that the number of SPLs on packets = is getting out of hand. When MPLS was first introduced there was a fundamental philosophy not to = push any more labels than you needed and not to look further down the = stack than you needed. We seem to have lost sight of that, and I am = worried where it ends. - Stewart > On 7 Jan 2021, at 08:08, Mach Chen wrote: >=20 > Hi Loa, >=20 > It depends where to put the (e)SPL and how to process the eSPL. If we = define an eSPL and always put the eSPL on the top of the label stack. It = means when sending a packet to next LSR, an eSPL will be put on the top = of the stack, when the next LSR received the packet, the eSPL indicates = iOAM related process needed, then pop off eSPL and process the next = label that will result in forwarding the packet to the next LSR. When = sending the packet to next LSR, an eSPL will be put back on the top of = the stack. It just likes popping off two labels and pushing one label = back. But this requires that all the LSRs along the packet MUST know how = to process the eSPL, otherwise, the packet may be discarded. >=20 > Best regards, > Mach >=20 >> -----Original Message----- >> From: Loa Andersson [mailto:loa@pi.nu] >> Sent: Thursday, January 7, 2021 1:13 PM >> To: Mach Chen ; Greg Mirsky >> >> Cc: Stewart Bryant ; Rakesh Gandhi = (rgandhi) >> ; mpls ; >> draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs = >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >>=20 >> Maach, >>=20 >> If it is a requirement from iOAM to do hop by hop processing, then = the SPL/eSPL >> is a very blunt tool, there is is always a risk that the (e)SPL label = that indicate >> the special behavior is below the maximum stack depth that can be = scanned. >>=20 >> Right? >>=20 >> If we create a FEC that says "this packet has a hop by hop processing >> requirement, go find the ACH-header immediately after the label stack = to see >> what you need to do." That would not solve the immediate problem but = also be >> useful for the future. >>=20 >> /Loa >>=20 >>=20 >> On 07/01/2021 11:50, Mach Chen wrote: >>> Hi all, >>>=20 >>> IMHO, I think the key issue is that there is no hop-by-hop option in >>> MPLS, but the iOAM requires that. >>>=20 >>> There are three potential options: >>>=20 >>> 1)Scan the stack and find the (e)SPL label that indicate the special >>> behavior; >>>=20 >>> 2)Introduce an (e)SPL and always keep it on the top of the label >>> stack; >>>=20 >>> 3)Use the way as Stewart suggested, a new FEC, just like the SFL; >>>=20 >>> Best regards, >>>=20 >>> Mach >>>=20 >>> *From:*Greg Mirsky [mailto:gregimirsky@gmail.com] >>> *Sent:* Thursday, January 7, 2021 11:30 AM >>> *To:* Loa Andersson >>> *Cc:* Stewart Bryant ; Rakesh Gandhi >>> (rgandhi) ; mpls = ; >>> draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs = >>> *Subject:* Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >>>=20 >>> Hi Loa, et al., >>>=20 >>> RFC 8169 uses TTL expiration to achieve processing at each = RTM-capable >>> node. That approach creates a state in transient nodes and may not = fit >>> with the "no state" paradigm of the Segment Routing. >>>=20 >>> And I've got a question. AFAIK, the presence of ACH in an MPLS LSP = is >>> indicated by GAL. Is there an intention to introduce another (E)SPL >>> for that? >>>=20 >>> Regards, >>>=20 >>> Greg >>>=20 >>> On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson >> > wrote: >>>=20 >>> Stewart, >>>=20 >>> If we want to make sure that packets are processed at evey node, = is the >>> new FEC complementary to the ACH-header or an alternative? >>>=20 >>> /Loa >>>=20 >>> On 05/01/2021 00:30, Stewart Bryant wrote: >>>>=20 >>>>=20 >>>>> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) >>>>> > >>>>> =3D40cisco.com@dmarc.ietf.org >>> >> wrote: >>>>>=20 >>>>> Yes, this is similar to the entropy label where a mid-point = node >>>>> needs to scan the label stack to find the indicator label. We can = add >>>>> some text to clarify this. There is already an optimization to use = a >>>>> different indicator label for HbH compared to E2E case to >>>>> unnecessarily avoid parsing the IOAM data fields. >>>>=20 >>>> The EL is entirely optional to process. It is no more than a hint = to use >>>> in ECMP and there is no architectural requirement to find it to = operate >>>> correctly. >>>>=20 >>>> If iOAM is purely a option then you could scan the stack and hope = that >>>> you can reach down far enough to find it. Though there is a fight = to >> see >>>> who gets to be the lowest label in range of the forwarding parser. >>>>=20 >>>> If you want to be sure that iOAM is processed HxH then you really >> need >>>> to run it on a new FEC with that behaviour built into the FEC. That >>>> would be the architected way of doing this in MPLS. >>>>=20 >>>> - Stewart >>>>=20 >>>>=20 >>>>=20 >>>> _______________________________________________ >>>> mpls mailing list >>>> mpls@ietf.org >>>> https://www.ietf.org/mailman/listinfo/mpls >>> >>>>=20 >>>=20 >>> -- >>>=20 >>> Loa Andersson email: loa@pi.nu >> >>> Senior MPLS Expert loa.pi.nu@gmail.com >> >>> Bronze Dragon Consulting phone: +46 739 81 21 64 >>>=20 >>> _______________________________________________ >>> mpls mailing list >>> mpls@ietf.org >>> https://www.ietf.org/mailman/listinfo/mpls >>> >>>=20 >>=20 >> -- >>=20 >> Loa Andersson email: loa@pi.nu >> Senior MPLS Expert loa.pi.nu@gmail.com >> Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Mon Jan 11 11:29:35 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C1EFD3A10FC; Mon, 11 Jan 2021 11:29:33 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.099 X-Spam-Level: X-Spam-Status: No, score=-2.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hmSlCxxcaYsQ; Mon, 11 Jan 2021 11:29:32 -0800 (PST) Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7A9C03A10F0; Mon, 11 Jan 2021 11:29:32 -0800 (PST) Received: by mail-wr1-x42c.google.com with SMTP id r7so959168wrc.5; Mon, 11 Jan 2021 11:29:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=content-transfer-encoding:mime-version:subject:from:in-reply-to :date:cc:message-id:references:to; bh=7P3iuG66WvmS5P4dFECgehgee6KI1RusWPHAkcqgo8A=; b=tHIV1vI6SArYATR7X3kzaitxdPrKrOJcUp9Y9l0vh1sD5zvUeESdTB8Dya2RDMBPS9 oGWyGkZ8SWuPXvQVDntXmaPBcsTlRcJ9PUR/ZQC8dFY4wNJtUHane2cx0Ms7+T/VYfui S39dVbsDK4OZAWmJ78uAAD3dqM2HD+qtDHNSNGX9Wqg83+n9QYyBY78vVMX9pc54ANHN BT8E5dLsro89cVl98zxa8dk/1lrB3eCAYW6+6Vt38ITlL1p3yxLGSFBOkzF+zq5ID1DG rZ3ozVpZtCyOJnIYsVhdulkr/RY/QAlbsgE2vLo+hZ7NmOdiqBV4WtUq/t99s2Hg1gCV u27g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:mime-version:subject :from:in-reply-to:date:cc:message-id:references:to; bh=7P3iuG66WvmS5P4dFECgehgee6KI1RusWPHAkcqgo8A=; b=e1zBn56kODiqgu/C0uCNTYqRgUr0vSDfoKWcjAL1lg9oydi34KrsQ6YtgCwEJuAuKW 8QeDfC5oz08eVJAI9GXPDnoZDus0AIG+X4ngWYk2ghdc+MXukRBYpr8L9GgcVuAiNOKr CCQeVEUhPvzO9T7lZkEoJC888b3tusj5j8rD64uiBjPJmNl8fVGq06TMybRqcC3rTRdv 567kLrnfrPi7UspNI7iD2YgNHNx6iYI4iwo+fgXI6frJACr512MaBRI5miAAYX+X0fyo Muo/7MDJIP7Sm51mYwglWH3sny6FXXpBS1D4+94hs5g7MFhW8FVzss+Yhp8Nv8vO8fYy EBDA== X-Gm-Message-State: AOAM531YKTF2l+3IB2bPCkbthe1En/3Z5R517uzagVl+L8zZ5YTHOuoY GaRW7ijqUXdRJj1bAuegpvLslR1Fi9BOjA== X-Google-Smtp-Source: ABdhPJwFZGBJ6QxVhevScH6oH4eIwTm1DSW0eKKPfaxD2AKIFlgERrj0Z9UwhxeRx53zlLtaDFBZcw== X-Received: by 2002:adf:fd41:: with SMTP id h1mr643977wrs.284.1610393370533; Mon, 11 Jan 2021 11:29:30 -0800 (PST) Received: from ?IPv6:2a00:23c5:3395:c901:c9c:da9c:6c4b:8980? ([2a00:23c5:3395:c901:c9c:da9c:6c4b:8980]) by smtp.gmail.com with ESMTPSA id h9sm430569wme.11.2021.01.11.11.29.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 Jan 2021 11:29:29 -0800 (PST) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) From: Stewart Bryant In-Reply-To: Date: Mon, 11 Jan 2021 19:29:28 +0000 Cc: Eric Gray , Loa Andersson , Greg Mirsky , mpls , "Rakesh Gandhi (rgandhi)" , mpls-chairs , draft-gandhi-mpls-ioam-sr@ietf.org Message-Id: <31E0C5A4-1EA3-486F-8BC4-E4E9AA107D95@gmail.com> References: To: Mach Chen X-Mailer: iPad Mail (18C66) Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jan 2021 19:29:34 -0000 I have a slightly more fundamental question. Why are we specifying this for sr? Surely we should specify it for MPLS and have SR inherit that? Also what happens if the MPLS payload is a PW or Detnet or something else de= fined to be immediately below the bottom label? Stewart= From nobody Mon Jan 11 17:49:30 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 638AC3A0964 for ; Mon, 11 Jan 2021 17:49:29 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.916 X-Spam-Level: X-Spam-Status: No, score=-1.916 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, HTML_NONELEMENT_30_40=0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fab2VBapFhbe for ; Mon, 11 Jan 2021 17:49:27 -0800 (PST) Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.217.80.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3E2F43A0957 for ; Mon, 11 Jan 2021 17:49:25 -0800 (PST) Received: from mxct.zte.com.cn (unknown [192.168.164.215]) by Forcepoint Email with ESMTPS id CBD14887A25A43FD35CE for ; Tue, 12 Jan 2021 09:49:23 +0800 (CST) Received: from mse-fl2.zte.com.cn (unknown [10.30.14.239]) by Forcepoint Email with ESMTPS id B91E7E2F28FB41244F99 for ; Tue, 12 Jan 2021 09:49:22 +0800 (CST) Received: from njxapp03.zte.com.cn ([10.41.132.202]) by mse-fl2.zte.com.cn with SMTP id 10C1n9x6099364 for ; Tue, 12 Jan 2021 09:49:09 +0800 (GMT-8) (envelope-from xiao.min2@zte.com.cn) Received: from mapi (njxapp02[null]) by mapi (Zmail) with MAPI id mid201; Tue, 12 Jan 2021 09:49:09 +0800 (CST) Date: Tue, 12 Jan 2021 09:49:09 +0800 (CST) X-Zmail-TransId: 2afa5ffd0015e8d22b6e X-Mailer: Zmail v1.0 Message-ID: <202101120949094647407@zte.com.cn> In-Reply-To: <161020726794.17530.11589439685950388453@ietfa.amsl.com> References: 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Date: Tue, 12 Jan 2021 10:09:45 +0800 (CST) From: =?utf-8?B?56iL5Lyf5by6?= To: Tarek Saad , "mpls@ietf.org" Cc: "mpls-chairs@ietf.org" , draft-cheng-mpls-inb Message-ID: <2afd5ffd0369ca2-00019.Richmail.00002090446431512921@chinamobile.com> References: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_443612_624847842.1610417385511" X-Priority: 3 X-RM-TRANSID: 2afd5ffd0369ca2-00019 X-RM-OA-ENC-TYPE: 0 X-RM-FontColor: 0 X-CLIENT-INFO: X-TIMING=0&X-MASSSENT=0&X-SENSITIVE=0 X-Mailer: Richmail_Webapp(V2.3.07) Archived-At: Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 02:10:14 -0000 ------=_Part_443612_624847842.1610417385511 Content-Type: text/plain;charset=UTF-8 Content-Transfer-Encoding: quoted-printable I support WG adoption of this draft (as co-author).=20 B.R.=20 Weiqiang =20 ----=E9=82=AE=E4=BB=B6=E5=8E=9F=E6=96=87----=E5=8F=91=E4=BB=B6=E4=BA=BA=EF= =BC=9ATarek Saad =E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A= "mpls@ietf.org" =E6=8A=84=E3=80=80=E9=80=81: "mpls-chairs@ie= tf.org" ,"draft-cheng-mpls-inband-pm-encapsulation@ie= tf.org" =E5=8F=91=E9=80= =81=E6=97=B6=E9=97=B4=EF=BC=9A2021-01-05 23:41:37=E4=B8=BB=E9=A2=98=EF=BC= =9A[mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation =20 Working Group, =20 This is to start a two week poll on adopting draft-cheng-mpls-inband-pm-enc= apsulation as a MPLS working group document. =20 Please send your comments (support/not support) to the mpls working group m= ailing list (mpls@ietf.org). Please give a technical motivation for your su= pport/no support, especially if you think that the document should not be = adopted as a working group document. =20 We have done an IPR poll for this document. All the co-authors have respond= ed that they are unaware of any IPRs related to this draft. =20 The working group adoption poll ends January 20, 2021. =20 Regards, Tarek (mpls wg co-chair) =20 =20 ------=_Part_443612_624847842.1610417385511 Content-Type: text/html;charset=UTF-8 Content-Transfer-Encoding: quoted-printable

I support WG adopti= on of this draft (as co-author). 

B.R. 

Weiqiang

 

<= !-- block name=3D"headerinfo" -->
----=E9=82=AE=E4=BB=B6=E5=8E=9F=E6=96= =87----
=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9ATarek = ;Saad  <tsaad.net@gmail.com>
=E6=94=B6=E4=BB=B6= =E4=BA=BA=EF=BC=9A"mpls@ietf.org" <mpls@ietf.org= >
=E6=8A=84=E3=80=80=E9=80=81: "mpls-chairs@ie= tf.org" <mpls-chairs@ietf.org>,"draft-cheng-mpls-inban= d-pm-encapsulation@ietf.org" <draft-cheng-mpls-inband-pm-encap= sulation@ietf.org>
=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4=EF= =BC=9A2021-01-05 23:41:37
=E4=B8=BB=E9=A2=98=EF=BC=9A<= /strong>[mpls] WG adoption poll for draft-cheng-mp= ls-inband-pm-encapsulation

   

Working Gr= oup,

 

This is to = start a two week poll on adopting draft-cheng-mpls-inband-pm-encapsulation = as a MPLS working group document.

 

Please send your comments (support/not support) to the mp= ls working group mailing list (mpls@ietf.o= rg). Please give a technical motivation for your support/no support, es= pecially if you think that the  document should not be adopted as a wo= rking group document.

 

We have done an IPR poll for this document. All the co-authors have r= esponded that they are unaware of any IPRs related to this draft.

 

The working group adoptio= n poll ends January 20, 2021.

 

Regards,

Tarek (mpls wg co-chair)<= /p>

 

 

=

------=_Part_443612_624847842.1610417385511-- From nobody Mon Jan 11 19:15:22 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6789C3A0D45; Mon, 11 Jan 2021 19:15:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.087 X-Spam-Level: X-Spam-Status: No, score=-2.087 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_REMOTE_IMAGE=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pHtiOOb3WtXT; Mon, 11 Jan 2021 19:15:19 -0800 (PST) Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B5C963A0D2B; Mon, 11 Jan 2021 19:15:19 -0800 (PST) Received: by mail-pj1-x102f.google.com with SMTP id w1so867683pjc.0; Mon, 11 Jan 2021 19:15:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Jc3q8i+3b/oa+Er0MnqwXOtrn1kkcu0jQdBHEoaO8zI=; b=kGzaPAxeoK2ZMxaQBTufYFOxetc8zpr5cmFBRW0u1mtyJV+UYMJRi994YdE941AKOy fsM89KAOUn9gngQjGuf29AT/idH0ZHKusn/vfPShR8p941l5yMZq/rEVyLL5mlwl52dZ SR9TlZ3i3RBX8/TVjDXf2VP4XgfzRxlj3jmZT65MY1HQ/FEF5+1nkoRMLBe3XFRmcttb vbTJNhcJGpHJ2Q43FEVmAM8/8ZJax5Fct+b9SZnW6baInqxVzgRxAuvzoTImNMslC2yd OCjPSyTM9aQEccUJH0YJ8HrcD0frqTegoq88Col++j9ay8xkVLQNxiMvanRI7eNF4wVV 3teg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Jc3q8i+3b/oa+Er0MnqwXOtrn1kkcu0jQdBHEoaO8zI=; b=n3hU/6qYlkKy8k1eFYbMOk7RPXxDWzzUjE2A9Dq4NPPm6loGrK7XDUtIvdNKFt6SCV xrgu8Ellpm53Dli5Du/MiT4ORAdLJzU7zxOKC7f5uYkqkEFPA/kMxHoD/SDzZzNae5Jr +QN2dIXiatWNbKuvTW7DoLnuKTJxEkakb/PsP4kRhTtdqMOs2JnJU9lxASSqdhS+jep2 kzEPjjIgEj2uZHS8fKJpaNxCnQieQwXtCS8ZKxHm/AMuK98MfMl7dFInSebQu52QduIU sH46nNAx0Qo5Smoi2Res584WnpG9pLw0UrwFZJgqdzZ7yiDF8EULYtIr7xvDS2qn+dEr v60A== X-Gm-Message-State: AOAM532q3WRWsvihZuJ03MjE87rpRAANpB3Lxgmojs58crtTBZlBSosY GosapaMy7dUYdSqJkBtZ4tpcLQn1HZr8IPwchCw= X-Google-Smtp-Source: ABdhPJw4cyNK533zX9+sQ88EPz6bBAEVGJHvkuvPCpDJF87sfs5zRyts/sI32gkBcvifjl2eyqowjV/TALc2SMmCl1I= X-Received: by 2002:a17:90a:fb97:: with SMTP id cp23mr2149631pjb.215.1610421318312; Mon, 11 Jan 2021 19:15:18 -0800 (PST) MIME-Version: 1.0 References: <2afd5ffd0369ca2-00019.Richmail.00002090446431512921@chinamobile.com> In-Reply-To: <2afd5ffd0369ca2-00019.Richmail.00002090446431512921@chinamobile.com> From: Gyan Mishra Date: Mon, 11 Jan 2021 22:15:07 -0500 Message-ID: To: =?UTF-8?B?56iL5Lyf5by6?= Cc: Tarek Saad , draft-cheng-mpls-inb , "mpls-chairs@ietf.org" , "mpls@ietf.org" Content-Type: multipart/alternative; boundary="0000000000009de5af05b8ab6ec7" Archived-At: Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 03:15:21 -0000 --0000000000009de5af05b8ab6ec7 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I support WG adoption. Thanks Gyan On Mon, Jan 11, 2021 at 9:10 PM =E7=A8=8B=E4=BC=9F=E5=BC=BA wrote: > I support WG adoption of this draft (as co-author). > > B.R. > > Weiqiang > > > > ----=E9=82=AE=E4=BB=B6=E5=8E=9F=E6=96=87---- > *=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A*Tarek Saad > *=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A*"mpls@ietf.org" > *=E6=8A=84 =E9=80=81: *"mpls-chairs@ietf.org" ," > draft-cheng-mpls-inband-pm-encapsulation@ietf.org" < > draft-cheng-mpls-inband-pm-encapsulation@ietf.org> > *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4=EF=BC=9A*2021-01-05 23:41:37 > *=E4=B8=BB=E9=A2=98=EF=BC=9A*[mpls] WG adoption poll for draft-cheng-mpls= -inband-pm-encapsulation > > > > > > Working Group, > > > > This is to start a two week poll on adopting > draft-cheng-mpls-inband-pm-encapsulation as a MPLS working group document= . > > > > Please send your comments (support/not support) to the mpls working group > mailing list (mpls@ietf.org). Please give a technical motivation for your > support/no support, especially if you think that the document should not > be adopted as a working group document. > > > > We have done an IPR poll for this document. All the co-authors have > responded that they are unaware of any IPRs related to this draft. > > > > The working group adoption poll ends January 20, 2021. > > > > Regards, > > Tarek (mpls wg co-chair) > > > > > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > --=20 *Gyan Mishra* *Network Solutions A**rchitect * *M 301 502-134713101 Columbia Pike *Silver Spring, MD --0000000000009de5af05b8ab6ec7 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I support WG adoption.

<= div dir=3D"auto">Thanks=C2=A0

Gyan

On Mon, Jan 11, 2021 at 9:10 PM =E7=A8=8B=E4=BC=9F=E5=BC=BA= <chengweiqiang@chinamo= bile.com> wrote:

I support WG adoption of this draft (as co-autho= r).=C2=A0

B.R= .=C2=A0

Weiqi= ang

=C2=A0

----=E9=82=AE=E4=BB= =B6=E5=8E=9F=E6=96=87----
=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9ATarek=C2=A0Saad=C2=A0=C2=A0<tsaad.net@gmail.com>
=E6=94=B6=E4=BB= =B6=E4=BA=BA=EF=BC=9A"mpls@ietf.org"=C2=A0<mpls@ietf.org>
=E6=8A=84=E3=80=80=E9= =80=81: "mpls-chairs@ietf.org"=C2=A0<mpls-chairs@ietf.org>,"draft-cheng-mpls-inband-pm-encapsulation@ietf.org"=C2=A0<draft-cheng-mpls-inband-pm-encapsulation@ietf.org>
=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4=EF=BC=9A
2021-01-05 23:41:37<= br>=E4=B8=BB=E9=A2=98=EF=BC=9A[mpls]=C2=A0WG=C2=A0adoption= =C2=A0poll=C2=A0for=C2=A0draft-cheng-mpls-inband-pm-encapsulation


=C2=A0 =C2=A0

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls
--
--0000000000009de5af05b8ab6ec7-- From nobody Mon Jan 11 19:15:26 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DA51D3A0D2B; Mon, 11 Jan 2021 19:15:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bbzkY3fS8OY4; Mon, 11 Jan 2021 19:15:19 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 718503A0D2A; Mon, 11 Jan 2021 19:15:19 -0800 (PST) Received: from fraeml708-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4DFFwG5T3yz67WR9; Tue, 12 Jan 2021 11:11:26 +0800 (CST) Received: from fraeml708-chm.china.huawei.com (10.206.15.36) by fraeml708-chm.china.huawei.com (10.206.15.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 12 Jan 2021 04:15:17 +0100 Received: from DGGEML404-HUB.china.huawei.com (10.3.17.39) by fraeml708-chm.china.huawei.com (10.206.15.36) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.2106.2 via Frontend Transport; Tue, 12 Jan 2021 04:15:16 +0100 Received: from DGGEML530-MBS.china.huawei.com ([169.254.8.126]) by DGGEML404-HUB.china.huawei.com ([fe80::b177:a243:7a69:5ab8%31]) with mapi id 14.03.0509.000; Tue, 12 Jan 2021 11:15:12 +0800 From: Mach Chen To: Stewart Bryant CC: loa Andersson , Greg Mirsky , "Rakesh Gandhi (rgandhi)" , mpls , "draft-gandhi-mpls-ioam-sr@ietf.org" , mpls-chairs Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyDHDvVF1VdnUGaj2r8EB36K6oPXEywgAe3xoCAAB+GgIAD2h+AgAAC04CAAImZwP//kvKAgACcrUCABiYYgIABeydg Date: Tue, 12 Jan 2021 03:15:12 +0000 Message-ID: References: <8813ba4d-76b7-ba83-c396-d6795de074b8@pi.nu> <020253AA-9A4F-423E-94EF-74ECEF9A6040@gmail.com> In-Reply-To: <020253AA-9A4F-423E-94EF-74ECEF9A6040@gmail.com> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.243.140] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 03:15:22 -0000 Hi Stewart,=20 I share the concern regarding the eSPLs on the stack.=20 The key issue of MPLS is that there is no common MPLS header and option fil= ed, all operations only depend on labels. The cons and pros of such design = are very obvious. This somehow results in the difficulties for innovations.= =20 Best regards, Mach > -----Original Message----- > From: Stewart Bryant [mailto:stewart.bryant@gmail.com] > Sent: Monday, January 11, 2021 8:27 PM > To: Mach Chen > Cc: Stewart Bryant ; loa Andersson ; > Greg Mirsky ; Rakesh Gandhi (rgandhi) > ; mpls ; > draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs > Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >=20 > Yes that would work, but it means that you have to do three lookups at ev= ery > hop and push three labels, and that is without searching for the ELI. >=20 > Those extra two labels reduce the number of SR labels you can push. If yo= u > need an EL that would mean that the legacy nodes that can only push 4 lab= els > just burned their way through their limit without saying where the packet= was > going. >=20 > We can obviously do this, but I worry that the number of SPLs on packets = is > getting out of hand. >=20 > When MPLS was first introduced there was a fundamental philosophy not to > push any more labels than you needed and not to look further down the sta= ck > than you needed. We seem to have lost sight of that, and I am worried whe= re it > ends. >=20 > - Stewart >=20 >=20 >=20 > > On 7 Jan 2021, at 08:08, Mach Chen wrote: > > > > Hi Loa, > > > > It depends where to put the (e)SPL and how to process the eSPL. If we d= efine > an eSPL and always put the eSPL on the top of the label stack. It means w= hen > sending a packet to next LSR, an eSPL will be put on the top of the stack= , when > the next LSR received the packet, the eSPL indicates iOAM related process > needed, then pop off eSPL and process the next label that will result in > forwarding the packet to the next LSR. When sending the packet to next LS= R, > an eSPL will be put back on the top of the stack. It just likes popping o= ff two > labels and pushing one label back. But this requires that all the LSRs al= ong the > packet MUST know how to process the eSPL, otherwise, the packet may be > discarded. > > > > Best regards, > > Mach > > > >> -----Original Message----- > >> From: Loa Andersson [mailto:loa@pi.nu] > >> Sent: Thursday, January 7, 2021 1:13 PM > >> To: Mach Chen ; Greg Mirsky > >> > >> Cc: Stewart Bryant ; Rakesh Gandhi > >> (rgandhi) ; mpls = ; > >> draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs > >> > >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > >> > >> Maach, > >> > >> If it is a requirement from iOAM to do hop by hop processing, then > >> the SPL/eSPL is a very blunt tool, there is is always a risk that the > >> (e)SPL label that indicate the special behavior is below the maximum s= tack > depth that can be scanned. > >> > >> Right? > >> > >> If we create a FEC that says "this packet has a hop by hop processing > >> requirement, go find the ACH-header immediately after the label stack > >> to see what you need to do." That would not solve the immediate > >> problem but also be useful for the future. > >> > >> /Loa > >> > >> > >> On 07/01/2021 11:50, Mach Chen wrote: > >>> Hi all, > >>> > >>> IMHO, I think the key issue is that there is no hop-by-hop option in > >>> MPLS, but the iOAM requires that. > >>> > >>> There are three potential options: > >>> > >>> 1)Scan the stack and find the (e)SPL label that indicate the special > >>> behavior; > >>> > >>> 2)Introduce an (e)SPL and always keep it on the top of the label > >>> stack; > >>> > >>> 3)Use the way as Stewart suggested, a new FEC, just like the SFL; > >>> > >>> Best regards, > >>> > >>> Mach > >>> > >>> *From:*Greg Mirsky [mailto:gregimirsky@gmail.com] > >>> *Sent:* Thursday, January 7, 2021 11:30 AM > >>> *To:* Loa Andersson > >>> *Cc:* Stewart Bryant ; Rakesh Gandhi > >>> (rgandhi) ; mpls > >>> ; draft-gandhi-mpls-ioam-sr@ietf.org; mpls-chairs > >>> > >>> *Subject:* Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > >>> > >>> Hi Loa, et al., > >>> > >>> RFC 8169 uses TTL expiration to achieve processing at each > >>> RTM-capable node. That approach creates a state in transient nodes > >>> and may not fit with the "no state" paradigm of the Segment Routing. > >>> > >>> And I've got a question. AFAIK, the presence of ACH in an MPLS LSP > >>> is indicated by GAL. Is there an intention to introduce another > >>> (E)SPL for that? > >>> > >>> Regards, > >>> > >>> Greg > >>> > >>> On Wed, Jan 6, 2021 at 7:20 PM Loa Andersson >>> > wrote: > >>> > >>> Stewart, > >>> > >>> If we want to make sure that packets are processed at evey node, i= s > the > >>> new FEC complementary to the ACH-header or an alternative? > >>> > >>> /Loa > >>> > >>> On 05/01/2021 00:30, Stewart Bryant wrote: > >>>> > >>>> > >>>>> On 4 Jan 2021, at 14:38, Rakesh Gandhi (rgandhi) > >>>>> >> > >>>>> =3D40cisco.com@dmarc.ietf.org > >>> >> wrote: > >>>>> > >>>>> Yes, this is similar to the entropy label where a mid-point > >>>>> node needs to scan the label stack to find the indicator label. We > >>>>> can add some text to clarify this. There is already an > >>>>> optimization to use a different indicator label for HbH compared > >>>>> to E2E case to unnecessarily avoid parsing the IOAM data fields. > >>>> > >>>> The EL is entirely optional to process. It is no more than a hint > >>>> to use in ECMP and there is no architectural requirement to find it > >>>> to operate correctly. > >>>> > >>>> If iOAM is purely a option then you could scan the stack and hope > >>>> that you can reach down far enough to find it. Though there is a > >>>> fight to > >> see > >>>> who gets to be the lowest label in range of the forwarding parser. > >>>> > >>>> If you want to be sure that iOAM is processed HxH then you really > >> need > >>>> to run it on a new FEC with that behaviour built into the FEC. That > >>>> would be the architected way of doing this in MPLS. > >>>> > >>>> - Stewart > >>>> > >>>> > >>>> > >>>> _______________________________________________ > >>>> mpls mailing list > >>>> mpls@ietf.org > >>>> https://www.ietf.org/mailman/listinfo/mpls > >>> > >>>> > >>> > >>> -- > >>> > >>> Loa Andersson email: loa@pi.nu > >> > >>> Senior MPLS Expert loa.pi.nu@gmail.com > >> > >>> Bronze Dragon Consulting phone: +46 739 81 21 64 > >>> > >>> _______________________________________________ > >>> mpls mailing list > >>> mpls@ietf.org > >>> https://www.ietf.org/mailman/listinfo/mpls > >>> > >>> > >> > >> -- > >> > >> Loa Andersson email: loa@pi.nu > >> Senior MPLS Expert loa.pi.nu@gmail.com > >> Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Mon Jan 11 19:18:55 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 516963A0D50; Mon, 11 Jan 2021 19:18:53 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PQcWEjAwcB9h; Mon, 11 Jan 2021 19:18:52 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 26DB23A0D48; Mon, 11 Jan 2021 19:18:52 -0800 (PST) Received: from fraeml710-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4DFG0M6Wx7z67RKJ; Tue, 12 Jan 2021 11:14:59 +0800 (CST) Received: from fraeml710-chm.china.huawei.com (10.206.15.59) by fraeml710-chm.china.huawei.com (10.206.15.59) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 12 Jan 2021 04:18:50 +0100 Received: from DGGEML401-HUB.china.huawei.com (10.3.17.32) by fraeml710-chm.china.huawei.com (10.206.15.59) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.2106.2 via Frontend Transport; Tue, 12 Jan 2021 04:18:50 +0100 Received: from DGGEML530-MBS.china.huawei.com ([169.254.8.126]) by DGGEML401-HUB.china.huawei.com ([fe80::89ed:853e:30a9:2a79%31]) with mapi id 14.03.0509.000; Tue, 12 Jan 2021 11:18:44 +0800 From: Mach Chen To: Stewart Bryant CC: Eric Gray , Loa Andersson , Greg Mirsky , mpls , "Rakesh Gandhi (rgandhi)" , mpls-chairs , "draft-gandhi-mpls-ioam-sr@ietf.org" Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyDHDvVF1VdnUGaj2r8EB36K6oPXEywgAe3xoCAAB+GgIAD2h+AgAAC04CAAImZwP//kvKAgACcrUCAAZdGAIAEZgNAgACexwCAAQjTcA== Date: Tue, 12 Jan 2021 03:18:44 +0000 Message-ID: References: <31E0C5A4-1EA3-486F-8BC4-E4E9AA107D95@gmail.com> In-Reply-To: <31E0C5A4-1EA3-486F-8BC4-E4E9AA107D95@gmail.com> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.243.140] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 03:18:54 -0000 Hi Stewart, I guess your questions are for the authors of the draft, I will let the aut= hors to answer the questions :-) Best regards, Mach > -----Original Message----- > From: Stewart Bryant [mailto:stewart.bryant@gmail.com] > Sent: Tuesday, January 12, 2021 3:29 AM > To: Mach Chen > Cc: Eric Gray ; Loa Andersson ; Greg > Mirsky ; mpls ; Rakesh Gandhi > (rgandhi) ; mpls-chairs > ; draft-gandhi-mpls-ioam-sr@ietf.org > Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >=20 > I have a slightly more fundamental question. >=20 > Why are we specifying this for sr? >=20 > Surely we should specify it for MPLS and have SR inherit that? >=20 > Also what happens if the MPLS payload is a PW or Detnet or something else > defined to be immediately below the bottom label? >=20 > Stewart From nobody Mon Jan 11 19:19:40 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B13753A0D50; Mon, 11 Jan 2021 19:19:39 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tVxOhSna6kPm; Mon, 11 Jan 2021 19:19:37 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 92A8D3A0BFF; Mon, 11 Jan 2021 19:19:37 -0800 (PST) Received: from fraeml711-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4DFG2H2szmz67Vk7; Tue, 12 Jan 2021 11:16:39 +0800 (CST) Received: from fraeml711-chm.china.huawei.com (10.206.15.60) by fraeml711-chm.china.huawei.com (10.206.15.60) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 12 Jan 2021 04:19:36 +0100 Received: from DGGEML404-HUB.china.huawei.com (10.3.17.39) by fraeml711-chm.china.huawei.com (10.206.15.60) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.2106.2 via Frontend Transport; Tue, 12 Jan 2021 04:19:35 +0100 Received: from DGGEML530-MBS.china.huawei.com ([169.254.8.126]) by DGGEML404-HUB.china.huawei.com ([fe80::b177:a243:7a69:5ab8%31]) with mapi id 14.03.0509.000; Tue, 12 Jan 2021 11:19:32 +0800 From: Mach Chen To: Tarek Saad , "mpls@ietf.org" CC: "mpls-chairs@ietf.org" , "draft-cheng-mpls-inband-pm-encapsulation@ietf.org" Thread-Topic: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation Thread-Index: AQHW43lAZKooo8mnlUKkH7irtdwFGaojXGRQ Date: Tue, 12 Jan 2021 03:19:31 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.243.140] Content-Type: multipart/alternative; boundary="_000_F73A3CB31E8BE34FA1BBE3C8F0CB2AE2980F43D7dggeml530mbschi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 03:19:40 -0000 --_000_F73A3CB31E8BE34FA1BBE3C8F0CB2AE2980F43D7dggeml530mbschi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yes/support. Best regards, Mach From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Tarek Saad Sent: Tuesday, January 5, 2021 11:42 PM To: mpls@ietf.org Cc: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@ietf.org Subject: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulati= on Working Group, This is to start a two week poll on adopting draft-cheng-mpls-inband-pm-enc= apsulation as a MPLS working group document. Please send your comments (support/not support) to the mpls working group m= ailing list (mpls@ietf.org). Please give a technical = motivation for your support/no support, especially if you think that the do= cument should not be adopted as a working group document. We have done an IPR poll for this document. All the co-authors have respond= ed that they are unaware of any IPRs related to this draft. The working group adoption poll ends January 20, 2021. Regards, Tarek (mpls wg co-chair) --_000_F73A3CB31E8BE34FA1BBE3C8F0CB2AE2980F43D7dggeml530mbschi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable --_000_F73A3CB31E8BE34FA1BBE3C8F0CB2AE2980F43D7dggeml530mbschi_-- From nobody Mon Jan 11 19:29:23 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 52D473A0D85; Mon, 11 Jan 2021 19:29:22 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U0AD1Wnmy1t8; Mon, 11 Jan 2021 19:29:20 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 74BBA3A0D7A; Mon, 11 Jan 2021 19:29:20 -0800 (PST) Received: from fraeml738-chm.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4DFGC16K2Gz67XZj; Tue, 12 Jan 2021 11:24:13 +0800 (CST) Received: from nkgeml701-chm.china.huawei.com (10.98.57.156) by fraeml738-chm.china.huawei.com (10.206.15.219) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 12 Jan 2021 04:29:17 +0100 Received: from nkgeml701-chm.china.huawei.com (10.98.57.156) by nkgeml701-chm.china.huawei.com (10.98.57.156) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 12 Jan 2021 11:29:15 +0800 Received: from nkgeml701-chm.china.huawei.com ([10.98.57.156]) by nkgeml701-chm.china.huawei.com ([10.98.57.156]) with mapi id 15.01.2106.002; Tue, 12 Jan 2021 11:29:15 +0800 From: "Yangfan (IP Standard)" To: Tarek Saad , "mpls@ietf.org" CC: "mpls-chairs@ietf.org" , "draft-cheng-mpls-inband-pm-encapsulation@ietf.org" Thread-Topic: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation Thread-Index: AQHW43lAZKooo8mnlUKkH7irtdwFGaojW/eQ Date: Tue, 12 Jan 2021 03:29:15 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.108.243.115] Content-Type: multipart/alternative; boundary="_000_abc9c9ae380d4a87a1a4c61abaf95b1chuaweicom_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [mpls] =?gb2312?b?tPC4tDogIFdHIGFkb3B0aW9uIHBvbGwgZm9yIGRyYWZ0?= =?gb2312?b?LWNoZW5nLW1wbHMtaW5iYW5kLXBtLWVuY2Fwc3VsYXRpb24=?= X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 03:29:22 -0000 --_000_abc9c9ae380d4a87a1a4c61abaf95b1chuaweicom_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SGkgV0csDQoNClRoaXMgZHJhZnQgcHJvdmlkZXMgYSB1c2VmdWwgYXBwcm9hY2ggdG8gZGVwbG95 IHBlcmZvcm1hbmNlIG1lYXN1cmVtZW50IGluIE1QTFMgbmV0d29ya3MuIEkgc3VwcG9ydCB0aGUg YWRvcHRpb24uDQoNClJlZ2FyZHMsDQpGYW4NCg0KDQq3orz+yMs6IG1wbHMgW21haWx0bzptcGxz LWJvdW5jZXNAaWV0Zi5vcmddILT6se0gVGFyZWsgU2FhZA0Kt6LLzcqxvOQ6IDIwMjHE6jHUwjXI 1SAyMzo0Mg0KytW8/sjLOiBtcGxzQGlldGYub3JnDQqzrcvNOiBtcGxzLWNoYWlyc0BpZXRmLm9y ZzsgZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0tZW5jYXBzdWxhdGlvbkBpZXRmLm9yZw0K1vfM 4jogW21wbHNdIFdHIGFkb3B0aW9uIHBvbGwgZm9yIGRyYWZ0LWNoZW5nLW1wbHMtaW5iYW5kLXBt LWVuY2Fwc3VsYXRpb24NCg0KV29ya2luZyBHcm91cCwNCg0KVGhpcyBpcyB0byBzdGFydCBhIHR3 byB3ZWVrIHBvbGwgb24gYWRvcHRpbmcgZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0tZW5jYXBz dWxhdGlvbiBhcyBhIE1QTFMgd29ya2luZyBncm91cCBkb2N1bWVudC4NCg0KUGxlYXNlIHNlbmQg eW91ciBjb21tZW50cyAoc3VwcG9ydC9ub3Qgc3VwcG9ydCkgdG8gdGhlIG1wbHMgd29ya2luZyBn cm91cCBtYWlsaW5nIGxpc3QgKG1wbHNAaWV0Zi5vcmc8bWFpbHRvOm1wbHNAaWV0Zi5vcmc+KS4g UGxlYXNlIGdpdmUgYSB0ZWNobmljYWwgbW90aXZhdGlvbiBmb3IgeW91ciBzdXBwb3J0L25vIHN1 cHBvcnQsIGVzcGVjaWFsbHkgaWYgeW91IHRoaW5rIHRoYXQgdGhlIGRvY3VtZW50IHNob3VsZCBu b3QgYmUgYWRvcHRlZCBhcyBhIHdvcmtpbmcgZ3JvdXAgZG9jdW1lbnQuDQoNCldlIGhhdmUgZG9u ZSBhbiBJUFIgcG9sbCBmb3IgdGhpcyBkb2N1bWVudC4gQWxsIHRoZSBjby1hdXRob3JzIGhhdmUg cmVzcG9uZGVkIHRoYXQgdGhleSBhcmUgdW5hd2FyZSBvZiBhbnkgSVBScyByZWxhdGVkIHRvIHRo aXMgZHJhZnQuDQoNClRoZSB3b3JraW5nIGdyb3VwIGFkb3B0aW9uIHBvbGwgZW5kcyBKYW51YXJ5 IDIwLCAyMDIxLg0KDQpSZWdhcmRzLA0KVGFyZWsgKG1wbHMgd2cgY28tY2hhaXIpDQoNCg0K --_000_abc9c9ae380d4a87a1a4c61abaf95b1chuaweicom_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Hi WG,

 

This draft provides a useful approach to deploy performance measu= rement in MPLS networks. I support the adoption.

 

Regards,

Fan

 

 

=B7=A2=BC=FE=C8=CB: mpls [mailto:m= pls-bounces@ietf.org] =B4=FA=B1=ED Tarek Saad
=B7=A2=CB=CD=CA=B1=BC=E4:<= /span> 2021=C4=EA1=D4=C25=C8=D5 23:42
=CA=D5=BC=FE=C8=CB: mpls@ietf.org
=B3=AD=CB=CD: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@ietf.org =D6=F7=CC=E2: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation=

 

Working Group,

 

This is to start a two week pol= l on adopting draft-cheng-mpls-inband-pm-encapsulation as a MPLS working gr= oup document.

 

Please send your comments (supp= ort/not support) to the mpls working group mailing list (mpls@ietf.org). Please give a technical motivation for y= our support/no support, especially if you think that the document should not be adopted as a working group docum= ent.

 

We have done an IPR poll for th= is document. All the co-authors have responded that they are unaware of any= IPRs related to this draft.

 

The working group adoption poll= ends January 20, 2021.

 

Regards,

Tarek (mpls wg co-chair)

 

 

--_000_abc9c9ae380d4a87a1a4c61abaf95b1chuaweicom_-- From nobody Tue Jan 12 06:24:27 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 22FEF3A12AB; Tue, 12 Jan 2021 06:24:26 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.099 X-Spam-Level: X-Spam-Status: No, score=-2.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yy3jFvYUXfTA; Tue, 12 Jan 2021 06:24:24 -0800 (PST) Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 729DB3A12A7; Tue, 12 Jan 2021 06:24:24 -0800 (PST) Received: by mail-wm1-x336.google.com with SMTP id i63so2053139wma.4; Tue, 12 Jan 2021 06:24:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=R08w9xwCgrlyQ0cwfp7WCTqE5jCe4cziF9U7xdHMjng=; b=HstWWKREHvn1W4dBxcv959cmwd4p2/g0HUj1tkcYdvehStV4+RjpKF/JG8LCo6Oal7 ccx9O2lr40icyS4/WOyl6s/WxTF06KAJKkAy3+97F2aH3MBsNtXu63wey/5NYsPrGCPM HHSTnCevq2LD1F0em1M4kd1eFJiVNa+WePIem6vkvhERXFKHJQQYEWHtboUhGUv1Aus6 WnL/ZP2+l0B7fIW4DAVN/Hstxsv16baAgEJdkhGwvWE+ugeJy26c04odU54RxbuuPWwU cFTCYzK+c4Vq3KU1GpGGQxCR8/vl/sN5bVahWaHtmOA8TFPqC0dW7Y7zXM6bIt/JoHKm j3bA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=R08w9xwCgrlyQ0cwfp7WCTqE5jCe4cziF9U7xdHMjng=; b=J1bbcvrGSBqJCReTbGBgXwSV0OBOVLWvL26AzPpdGzJ9ojAuX3/Zitq+mV82w3eKor 9k2yoHezuFUUkjPkpNIM9STLkTNu/X6oX1kLVSKlsP6ZatS9p1dfyo7Ws8CTumw7tI4J q30e/rKdHVCpG3MhMwb+cuhLnznAqr5MSCVFLYnut8a9WTu8JK3FDu3qZUvd9Qtx66AO WnTjICyEnI9B+8FRcSmB5OoEyKzo2Hnik0sC0fIBAUsQml0icxdSM0EltYddhmbV4vbq Hocz6/IFOmkED25wPU1U1UmGQEgLadv7TT6o1eDRLm3L41GgInTpzaN2iC9jbm3JEWNU Qvog== X-Gm-Message-State: AOAM531IiSaN++g45OQEFa/AXHkE97TVFtiUm7UpNQHEZoep/HaaLaS8 XotH87fEFP3EwmnMbukg9CDdaN2PnmmPlQ== X-Google-Smtp-Source: ABdhPJypfllARkt64wMPkY4xo20A3EVIKEqkTFEq1pWbFGYh/hGNvJx9TkTKXWoGgwjozsGV+bWhVw== X-Received: by 2002:a05:600c:2158:: with SMTP id v24mr3758073wml.129.1610461462438; Tue, 12 Jan 2021 06:24:22 -0800 (PST) Received: from broadband.bt.com ([2a00:23c5:3395:c901:8941:25c1:66aa:fac5]) by smtp.gmail.com with ESMTPSA id e15sm5317059wrx.86.2021.01.12.06.24.20 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Jan 2021 06:24:21 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) From: Stewart Bryant In-Reply-To: <202101120949094647407@zte.com.cn> Date: Tue, 12 Jan 2021 14:24:20 +0000 Content-Transfer-Encoding: quoted-printable Message-Id: <9852AE73-1117-464E-8CBE-66868961F603@gmail.com> References: <161020726794.17530.11589439685950388453@ietfa.amsl.com> <202101120949094647407@zte.com.cn> To: mpls , pals@ietf.org, DetNet WG X-Mailer: Apple Mail (2.3608.120.23.2.4) Archived-At: Subject: Re: [mpls] Comment on draft-gandhi-mpls-ioam-sr-05 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 14:24:26 -0000 There are three problems, how you encode the action and where you place = the metadata, and how you accommodate anything else after BoS. This is getting very messy and we need to solve this holistically or we = will damage the future of the MPLS protocol. The best place to indicate HxH is at ToS since this is looked at by = every hop with minimum effort. This could be via a FEC or an SPL. However I do not like the SPL = approach because you probably need the EL to neutralise ECMP and that is = four labels in the stack before you even get to specify the = destination. That is as many labels as some LSRs can cope with. You = could I suppose have an iOAM SPL that specifies the ECMP behaviour but = we are loosing our generality if we go down that route. The best place to indicate E2E is at BoS since this is where you handle = the E2E iOAM. That can be an ordinary label, and since you have to = advertise E2E iOAM capability it is not much more to specify which label = you expect to see BoS to indicate its presence.=20 Now you have two choices to advertise both, - the ToS stuff which you do = not PHP + the BoS, or one of two different BoS labels. The use of two = different BoS labels is far less problematic since that is only 2 out of = million available labels and you need the label in place to indicate = that the packet carries E2E iOAM and not just plain IP =E2=80=A6 except = that it may not carry plain IP... Now here is what worries me. What if the LSP is carrying a PW, or is DetNet? What if it is a MS-PW? = In all these cases there is a CW immediately after BoS. Then there is = the universal fragmentation idea that is floating about that also wants = to follow BoS. How do we fit in 2, possibly 3 or 4 sets of descriptor data after the = BoS. This has the possibility to get very messy very quickly. So we need to go up a level and consider how we generalise this, because = iOAM needs to live with the rest of the MPLS ecosystem, and will not be = the only candidate for BoS meta data. That is not to say that I have = anything I want to put there that I am being quiet about, instead it is = to point out that once the first genie is out of the bottle a whole = bunch of their friends will soon follow behind. So we have to solve this = elegantly such that we can deal with the MPLS extensions we have not yet = thought of and not be tempted to just hack something in that works for = the immediate case in hand. - Stewart From nobody Tue Jan 12 06:27:44 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 713B03A12B5; Tue, 12 Jan 2021 06:27:35 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.349 X-Spam-Level: X-Spam-Status: No, score=-2.349 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=juniper.net header.b=DDpCUNhX; dkim=pass (1024-bit key) header.d=juniper.net header.b=AhyUhrke Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3SEqQBpmxCZP; 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Tue, 12 Jan 2021 14:27:29 +0000 From: "Jeffrey (Zhaohui) Zhang" To: "int-area@ietf.org" , mpls , "pals@ietf.org" CC: Kireeti Kompella , Ron Bonica , 'Stewart Bryant' Thread-Topic: draft-zzhang-intarea-generic-delivery-functions Thread-Index: Adbo7ZVM2l5i/x7jTG2A02P2JCK+DQ== Date: Tue, 12 Jan 2021 14:27:28 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.5.0.60 dlp-reaction: no-action msip_labels: MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_ActionId=05222b7d-a5e7-4a1e-868a-b79a99fe202f; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_ContentBits=0; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Enabled=true; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Method=Standard; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Name=0633b888-ae0d-4341-a75f-06e04137d755; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_SetDate=2021-01-12T14:12:02Z; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_SiteId=bea78b3c-4cdb-4130-854a-1d193232e5f4; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: juniper.net X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR05MB5981.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e51dcba7-c901-4df2-cab6-08d8b70630df X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jan 2021 14:27:28.9495 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 9dvOQR1tdyUFGJBsH9RA6FtZCRDdfu9ocdYwhzailvQVp74zMdA4g2SDkF67CHdKceIMvJMpjLKrl8rpQ06bMA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR05MB6463 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-12_07:2021-01-12, 2021-01-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam score=0 adultscore=0 spamscore=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 bulkscore=0 suspectscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1011 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120082 Archived-At: Subject: [mpls] draft-zzhang-intarea-generic-delivery-functions X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 14:27:36 -0000 Hi, I just posted https://datatracker.ietf.org/doc/draft-zzhang-intarea-generic= -delivery-functions/. The initial version was posted to the tsvwg (https://tools.ietf.org/html/dr= aft-zzhang-tsvwg-generic-transport-functions-00). After discussions/feedbac= k we are re-homing it to intarea wg. This new version also contains quite s= ome changes based on the comments and feedback that we received (special th= anks to Stewart). Comments and suggestions are appreciated. Thanks. Jeffrey Juniper Business Use Only From nobody Tue Jan 12 06:41:11 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 29EC73A0AD6; Mon, 11 Jan 2021 18:17:33 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FROM_EXCESS_BASE64=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7KdfCBeXA7gV; Mon, 11 Jan 2021 18:17:30 -0800 (PST) Received: from cmccmta2.chinamobile.com (cmccmta2.chinamobile.com [221.176.66.80]) by ietfa.amsl.com (Postfix) with ESMTP id 2F9273A0A21; Mon, 11 Jan 2021 18:17:28 -0800 (PST) Received: from spf.mail.chinamobile.com (unknown[172.16.121.9]) by rmmx-syy-dmz-app07-12007 (RichMail) with SMTP id 2ee75ffd069b56b-e26af; Tue, 12 Jan 2021 10:17:00 +0800 (CST) X-RM-TRANSID: 2ee75ffd069b56b-e26af X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from CMCC-PC (unknown[223.104.38.172]) by rmsmtp-syy-appsvr05-12005 (RichMail) with SMTP id 2ee55ffd0699df9-9edf5; Tue, 12 Jan 2021 10:17:00 +0800 (CST) X-RM-TRANSID: 2ee55ffd0699df9-9edf5 MIME-Version: 1.0 x-PcFlag: 56012561-8d48-4a5e-8e8f-ac81ca279c18_5_29135 X-Mailer: PC_RICHMAIL 2.8.5 Date: 12 Jan 2021 10:16:58 +0800 From: =?utf-8?B?WWlzb25nIExpdQ==?= To: tsaad.net, mpls Cc: mpls-chairs, draft-cheng-mpls-inband-pm-encapsulation Message-ID: <202101121016582987429923@chinamobile.com> Content-Type: multipart/Alternative; boundary="----=_001_NextPart-1307537373_=----" Archived-At: X-Mailman-Approved-At: Tue, 12 Jan 2021 06:41:10 -0800 Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 02:17:33 -0000 This is a multi-part message in MIME format. ------=_001_NextPart-1307537373_=---- Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SGkgYWxsDUkgc3VwcG9ydCB0aGUgYWRvcHRpb24gb2YgdGhpcyBkcmFmdC4NVGhhbmtzWWlzb25n DeWPkeS7tuS6uu+8mlRhcmVrIFNhYWQgIDx0c2FhZC5uZXRAZ21haWwuY29tPg3mlLbku7bkurrv vJoibXBsc0BpZXRmLm9yZyIgPG1wbHNAaWV0Zi5vcmc+DeaKhOOAgOmAgTogIm1wbHMtY2hhaXJz QGlldGYub3JnIiA8bXBscy1jaGFpcnNAaWV0Zi5vcmc+LCJkcmFmdC1jaGVuZy1tcGxzLWluYmFu ZC1wbS1lbmNhcHN1bGF0aW9uQGlldGYub3JnIiA8ZHJhZnQtY2hlbmctbXBscy1pbmJhbmQtcG0t ZW5jYXBzdWxhdGlvbkBpZXRmLm9yZz4N5Y+R6YCB5pe26Ze077yaMjAyMS0wMS0wNSAyMzo0MToz Nw3kuLvpopjvvJpbbXBsc10gV0cgYWRvcHRpb24gcG9sbCBmb3IgZHJhZnQtY2hlbmctbXBscy1p bmJhbmQtcG0tZW5jYXBzdWxhdGlvbg0NICAgICANDQ0NV29ya2luZyBHcm91cCwNDSANDVRoaXMg aXMgdG8gc3RhcnQgYSB0d28gd2VlayBwb2xsIG9uIGFkb3B0aW5nIGRyYWZ0LWNoZW5nLW1wbHMt aW5iYW5kLXBtLWVuY2Fwc3VsYXRpb24gYXMgYSBNUExTIHdvcmtpbmcgZ3JvdXAgZG9jdW1lbnQu DQ0gDQ1QbGVhc2Ugc2VuZCB5b3VyIGNvbW1lbnRzIChzdXBwb3J0L25vdCBzdXBwb3J0KSB0byB0 aGUgbXBscyB3b3JraW5nIGdyb3VwIG1haWxpbmcgbGlzdCAobXBsc0BpZXRmLm9yZykuIFBsZWFz ZSBnaXZlIGEgdGVjaG5pY2FsIG1vdGl2YXRpb24gZm9yIHlvdXIgc3VwcG9ydC9ubyBzdXBwb3J0 LCBlc3BlY2lhbGx5IGlmIHlvdSB0aGluayB0aGF0IHRoZSAgZG9jdW1lbnQgc2hvdWxkIG5vdCBi ZSBhZG9wdGVkIGFzIGEgd29ya2luZyBncm91cCBkb2N1bWVudC4NDSANDVdlIGhhdmUgZG9uZSBh biBJUFIgcG9sbCBmb3IgdGhpcyBkb2N1bWVudC4gQWxsIHRoZSBjby1hdXRob3JzIGhhdmUgcmVz cG9uZGVkIHRoYXQgdGhleSBhcmUgdW5hd2FyZSBvZiBhbnkgSVBScyByZWxhdGVkIHRvIHRoaXMg ZHJhZnQuDQ0gDQ1UaGUgd29ya2luZyBncm91cCBhZG9wdGlvbiBwb2xsIGVuZHMgSmFudWFyeSAy MCwgMjAyMS4NDSANDVJlZ2FyZHMsDQ1UYXJlayAobXBscyB3ZyBjby1jaGFpcikNDSANDSANDQ== ------=_001_NextPart-1307537373_=---- Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Hi all

I support the adoption of this draft.

Thanks
Yisong=

=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9ATarek Saad  <tsaad.net=40gmail.com>
= =E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A=22mpls=40ietf.org=22 <= ;mpls=40ietf.org>
=E6=8A=84=E3=80=80=E9=80=81:=20=22= mpls-chairs=40ietf.org=22 <mpls-chairs=40ietf.org>,=22draft-chen= g-mpls-inband-pm-encapsulation=40ietf.org=22 <draft-cheng-mpls-inba= nd-pm-encapsulation=40ietf.org>
=E5=8F=91=E9=80=81=E6=97=B6= =E9=97=B4=EF=BC=9A2021-01-05=2023:41:37
=E4=B8=BB=E9=A2= =98=EF=BC=9A=5Bmpls=5D WG adoption poll for&nb= sp;draft-cheng-mpls-inband-pm-encapsulation

=0A=20 =20 Working=20Group,

 =

This=20is=20to=20start=20a=20two=20week=20= poll=20on=20adopting=20draft-cheng-mpls-inband-pm-encapsulation=20as=20a=20= MPLS=20working=20group=20document.

 Please=20send=20your=20comments=20(support/n= ot=20support)=20to=20the=20mpls=20working=20group=20mailing=20list=20(mpls=40ietf.org).=20Please=20give= =20a=20technical=20motivation=20for=20your=20support/no=20support,=20especi= ally=20if=20you=20think=20that=20the=20 document=20should=20not=20be= =20adopted=20as=20a=20working=20group=20document.

 

We=20have=20done=20an=20IPR= =20poll=20for=20this=20document.=20All=20the=20co-authors=20have=20responde= d=20that=20they=20are=20unaware=20of=20any=20IPRs=20related=20to=20this=20d= raft.

 

The=20working=20group=20adoption=20poll=20ends=20January=2020,=202021.<= /p> 

Rega= rds,

Tarek=20(mpls=20wg=20co-chair)

 

 

Yes/support.

 

Best regards,

Mach

 

F= rom: mpls [mailt= o:mpls-bounces@ietf.org] On Behalf Of Tarek Saad
Sent: Tuesday, January 5, 2021 11:42 PM
To: mpls@ietf.org
Cc: mpls-chairs@ietf.org; draft-cheng-mpls-inband-pm-encapsulation@i= etf.org
Subject: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-enca= psulation

 

Working Group,

 

This is to start a two week pol= l on adopting draft-cheng-mpls-inband-pm-encapsulation as a MPLS working gr= oup document.

 

Please send your comments (supp= ort/not support) to the mpls working group mailing list (mpls@ietf.org). Please give a technical motivation for y= our support/no support, especially if you think that the document should not be adopted as a working group docum= ent.

 

We have done an IPR poll for th= is document. All the co-authors have responded that they are unaware of any= IPRs related to this draft.

 

The working group adoption poll= ends January 20, 2021.

 

Regards,

Tarek (mpls wg co-chair)

 

 

<=21--=20endblock=20name=3D=22headerinfo=22=20-->

------=_001_NextPart-1307537373_=------ From nobody Tue Jan 12 06:59:29 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 862ED3A1380; Tue, 12 Jan 2021 06:59:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IhaBUhVg5zi2; Tue, 12 Jan 2021 06:59:20 -0800 (PST) Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A69453A137B; Tue, 12 Jan 2021 06:59:19 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id a6so2164984wmc.2; Tue, 12 Jan 2021 06:59:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=aLofk4bbkZNKYr/TX8HJFgDSmIP13bxfnsfriLUnNQM=; b=BLbycUAAovimGKcSXrS82tZ8r4vGjQFSzAK+V5gD0me1qpGg7K0GS/pV6rSE/QlX4p 2uvqIUWObL7NLhcwvgAvW95mKJtYcrsg8hYCGycH5mQk1JVmriy854nOQIvtgP4qoVce D6tAeIj1h1cR5eCc+Zs7lav1ZfjYbtQpcFd/B4kGdUEkYV3plnMJmxisf89jhWkp3XJx h/t1+vWUmI/WQx+/0b41YEDOGR8LHYeYpc2Gnry2MD3k6PWO4bN3tvs1mniPxqNAozZa RsxwKLdM8DlhbVQHjQcE6nF0jgl0s1sohWGsonQml5QrP/8H4LoLzI/VbmEtylOoS60+ BOjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=aLofk4bbkZNKYr/TX8HJFgDSmIP13bxfnsfriLUnNQM=; b=E1wTWOb5e9IPaGUpsP/kqFubOIH0z314+0zaUStR4wwsSRN2k48st5FsF7ynFfxAZk Z7LCkkMkFZviFwbJIKd7zNu38HVHbnl67TgXg4lbgOS+vTmtRm0AckGpQEhNin89I9AM /ehLSwAIilp2NLqS0rlyVp2MAJ3uZ0+huG+65usnRwHB+vKdV6msEENyJqajc8kIb0CH QCUrGLIwb2u8VoqkNHa0d2eUgrm2jvFZCdZXFlfLULL1qplM0un+M5nTsEnR9p3y3JMG LZAsO4ZnFwjC45XRdWRv8OsUmJ9jSphIps+fHy0fsXjQi6OYnRMSsu4Gepz2oLjCN1lO u/mA== X-Gm-Message-State: AOAM532tB9mjgiJNNYxSI9rD2wmPJ3Y8BoizME3U79kPdNnGFzcjKpaF O+Oxhj+7BG4bWjY1NZzYDbg= X-Google-Smtp-Source: ABdhPJzgSzib+T0n6yU8fuCSej2eentBMVzfywekcWrtbY6EDPPwGlX9+aGlWwRx1SajBHf2zcEf+w== X-Received: by 2002:a7b:c246:: with SMTP id b6mr4054078wmj.154.1610463557921; Tue, 12 Jan 2021 06:59:17 -0800 (PST) Received: from broadband.bt.com ([2a00:23c5:3395:c901:8941:25c1:66aa:fac5]) by smtp.gmail.com with ESMTPSA id t188sm4373999wmf.9.2021.01.12.06.59.17 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Jan 2021 06:59:17 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) From: Stewart Bryant In-Reply-To: Date: Tue, 12 Jan 2021 14:59:16 +0000 Cc: Stewart Bryant , "int-area@ietf.org" , mpls , "pals@ietf.org" , Kireeti Kompella , Ronald Bonica , "" Content-Transfer-Encoding: quoted-printable Message-Id: References: To: "Jeffrey (Zhaohui) Zhang" X-Mailer: Apple Mail (2.3608.120.23.2.4) Archived-At: Subject: Re: [mpls] draft-zzhang-intarea-generic-delivery-functions X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 14:59:22 -0000 Thank you Jeffery Please see the note that I sent about iOAM who also want to sit after = BoS =E2=80=A6 and both of you want the same space that PALS and DetNet = is already using. We plan to have a joint session on this hosted by PALS at the next IETF, = but I think we also need to include the iOAM people. This has scope to get very messy as we find new candidates for BoS = metadata so we really need to take a holistic position to ensure the = future health the MPLS protocol. - Stewart > On 12 Jan 2021, at 14:27, Jeffrey (Zhaohui) Zhang = wrote: >=20 > Hi, >=20 > I just posted = https://datatracker.ietf.org/doc/draft-zzhang-intarea-generic-delivery-fun= ctions/. >=20 > The initial version was posted to the tsvwg = (https://tools.ietf.org/html/draft-zzhang-tsvwg-generic-transport-function= s-00). After discussions/feedback we are re-homing it to intarea wg. = This new version also contains quite some changes based on the comments = and feedback that we received (special thanks to Stewart). >=20 > Comments and suggestions are appreciated. >=20 > Thanks. > Jeffrey >=20 > Juniper Business Use Only From nobody Tue Jan 12 10:14:30 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 759E63A0E93; Tue, 12 Jan 2021 10:14:28 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.098 X-Spam-Level: X-Spam-Status: No, score=-1.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, FREEMAIL_REPLY=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bLLgzXqnFxaz; Tue, 12 Jan 2021 10:14:27 -0800 (PST) Received: from mail-ot1-x32b.google.com (mail-ot1-x32b.google.com [IPv6:2607:f8b0:4864:20::32b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0145B3A0EAA; Tue, 12 Jan 2021 10:14:26 -0800 (PST) Received: by mail-ot1-x32b.google.com with SMTP id x13so3143413oto.8; Tue, 12 Jan 2021 10:14:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=content-transfer-encoding:mime-version:subject:from:in-reply-to :date:cc:message-id:references:to; bh=InzFz836CVyadHVSMnrmNnyi7G3SXz4LjQUudo1huiU=; b=DPyD14cOWY0FPcOHy6zMVJSsmYAevGOUTKnEazf72zlBsrvfHrhOYzALSgLiJJhTz9 GWCDyea8e88apvSigol6VvkljOMiKPxaVZqg2/ochDXNfrbebnmEAS9ZUQP8XSdp4rMq EFS7RJHqQs8T3lt32glxrSBVtGlvZKAZGInZX4e88VgldvYJoFfAJmmSph5SiqSF/904 QXWtFckDbY0FYm+KNrFG8cyY78QKdDbgbCry5slY8RVQN64/9B7eH4mIwZFek7DZsZop MGITxqErg/JAQkLARq5TBIBKBlJHZdFkrU0Cuk16cFTvQak/MRErzLTnVTpW5EzzQ5I+ Cqyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:mime-version:subject :from:in-reply-to:date:cc:message-id:references:to; bh=InzFz836CVyadHVSMnrmNnyi7G3SXz4LjQUudo1huiU=; b=PVVQ2QeThDS3oK5wj857g2mxJ0UooTP2+BEcthxatYY6bYCLBXDF+R1XS+pQIUQSqR mkssgWVl/QpmEsmBoGJZBdVjKoIu2Rlk9NJbg5AgimquxIqg13pUGDpSXLLNxX9QKCH9 RXVdy6NYE5aKo1AxgzcPfKMyopimNAnmhNEK1SwzVv2b+I0oJNi83oBVOjSmwE8zaKEK TSfiW5FAgKb0YI9iJdEFNverxtrC6y/v56pB8a6YJKH1NeJbdIFm5V8ntHE+tinewm0D Hp/K3i+VIRTQ4ONjBmpLdbveoQMzjwZHsgsHnPQkHUDJbUIiVoWkR3wVxQQOpUFFEJhW VgNg== X-Gm-Message-State: AOAM531QJnUwM1sDcZGEpBLQ7Pzn048m2elywLmkQ6O8JWuhAqYw3k/X UrcmS4rOZnyFaqRMx8U+7GOv21CVmAI3MA== X-Google-Smtp-Source: ABdhPJz+QM1rIMrKwTDNROZm3AsntM39Q/cozRXoSf5+fPSkwNueXdgAQ3IwB+zbM8POUg+o9MJR/g== X-Received: by 2002:a9d:3d64:: with SMTP id a91mr446785otc.144.1610475265621; Tue, 12 Jan 2021 10:14:25 -0800 (PST) Received: from ?IPv6:2600:1700:42f2:a90:74ca:fe86:9fbe:ecaf? ([2600:1700:42f2:a90:74ca:fe86:9fbe:ecaf]) by smtp.gmail.com with ESMTPSA id u20sm735487oor.45.2021.01.12.10.14.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Jan 2021 10:14:24 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) From: Kireeti Kompella In-Reply-To: Date: Tue, 12 Jan 2021 10:14:23 -0800 Cc: mpls@ietf.org, draft-ietf-mpls-rmr@ietf.org, mpls-chairs@ietf.org Message-Id: <0DCDB95A-E6E9-45C4-B33D-0493EB8AFA06@gmail.com> References: To: Loa Andersson X-Mailer: iPad Mail (18B92) Archived-At: Subject: Re: [mpls] Resend: MPLS WG poll on making draft-ietf-mpls-rmr an Experimental RFC X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 18:14:29 -0000 Hi Loa, - I believe the technology in this document will be deployed; - I have the cycles to progress this document; - there is interest to progress this as Expt. Kireeti On Dec 18, 2020, at 18:35, Loa Andersson wrote: > =EF=BB=BFWorkig Group, >=20 > When I sent this out I was uncertain on the date to close the poll, I said= "two week" poll. I let us get through the holidays and count from January 1= st, the du date is Junauary 14, 2021. >=20 > /Loa >=20 > On 18/12/2020 13:07, Loa Andersson wrote: > Working Group, >=20 > This is to start a "two week" poll on publishing draft-ietf-mpls-rmr as > an Experimental RFC. >=20 > Mid-September the responsible AD sent draft-ietf-mpls-rmr back to the > working group. The direct reason was that there did not seem to be any > interest by the authors to respond to the IESG review. >=20 > The working group chairs took the action start a poll in the working > group to see if there were interest (in the wg) to continue progress the > document. >=20 > There were no other responses, than from the two authors, to this poll, > and the wg chairs agree that there are no documented interest to > progress the draft in the current format. >=20 > The logical action would have been kill the draft. >=20 > However, we have been asked id we could make the document Experimental. > Obviously this will generate problems with down refs and code point > allocation. But after carefully going through the documents, with some > innovative writing it the Shepherds Write-Up, this could be managed. >=20 > Please respond to the following questions. >=20 > If draft-ietf-mpls-rmr were made an Experimental document >=20 >=20 > - do you think draft-ietf-mpls-rmr is needed and will actually be > deployed? >=20 > - do you have the cycles to contribute to progress and review the > document? >=20 > - are there interest to progress the document in this fashion? >=20 > /Loa > for the MPLS wg chairs >=20 >=20 > --=20 >=20 > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Tue Jan 12 10:32:43 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EC9663A0EE1; Tue, 12 Jan 2021 10:32:40 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yIPWteI4wfDY; Tue, 12 Jan 2021 10:32:40 -0800 (PST) Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AA8703A0ED1; Tue, 12 Jan 2021 10:32:39 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id m4so2189885wrx.9; Tue, 12 Jan 2021 10:32:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=yLzIAe5vCFpTguqD5kMFXF2RHhPtx8d5IXPPgPrkOGg=; b=l0BeJbvHJrycIF5z7mqW+HgBd24m2GXkHfziY5UmpBphYLRiB7Gfy1ZTHE0feB0+gI Wz315vdn/0SyaUccy2WNAJQP79+p2Jvu0j6ApSX2KMdRmqD7HSrbyEuY2gndVKhnIncg KVAQH+Xi45wCDCZcTM9x/SlS4vMN/AklaHrb0lAI7GxMH6E9WaiJOyOw8xgew0MOn5uj lnEY+3XuYnoax1Df3Pg6A8Vi4c5rB9MVUa66tWNws+DNql1ZkuYhCNu+tylIfN8G8acr ln2UFpgYm1J3WNOfy9EHeNdcQKm072RWC1ZQgQW4YfXm4OG396adfWi5wuHKm5ZzVxOl i0FQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=yLzIAe5vCFpTguqD5kMFXF2RHhPtx8d5IXPPgPrkOGg=; b=daSMI1cfd06xd3xo4/hspuU5e61B1GV9jtPivo+7b1rfw/r9gyasUJBeqHU4Mykj2v Ye4TnxVskRQkWwvkeCLo3elbCzNCBBKj44gRTLB2066kTGXIKF/HcvQSTPQoCAznLKkQ 7bKS9Ws0c2qzCbK3yyxgyzZP/YGwioh0X6Pno40kFe5LQOOCSvJxV6ObRDE4gV4rt3Y2 NwgMOAv+vGrONNTNDpafxz75TZiQf00plNR5HyiNr/GeaZM/C5ulMoDoDvRxVBMvSLNG M3P2scmC3JWyrorAMzGbugbs98VnSgNJ7Lrvj3UtE8WfOb0p7grg0I68vOHqbkvk9Xjp iPfA== X-Gm-Message-State: AOAM533zOxQRF1sOMJX16RBnna/ye8yIra8tlIiyB0SibrZ1w+GBLXyA GGPVOwE0NQPQRuQafbwt5w4= X-Google-Smtp-Source: ABdhPJyMwMdf2H/89a9OYMo4SXIldBjzubTgPl1kvHSHbkXAz2ufWDcgelRJ3GCjd6zRu5d9pjMVRw== X-Received: by 2002:a5d:5704:: with SMTP id a4mr175089wrv.37.1610476358261; Tue, 12 Jan 2021 10:32:38 -0800 (PST) Received: from broadband.bt.com ([2a00:23c5:3395:c901:8941:25c1:66aa:fac5]) by smtp.gmail.com with ESMTPSA id o13sm7056891wrh.88.2021.01.12.10.32.37 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Jan 2021 10:32:37 -0800 (PST) From: Stewart Bryant Message-Id: <94B93771-4853-463C-A077-03DE57E1F5BF@gmail.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_200FF52C-CFEE-4A1B-A3F3-8CE081651FFD" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Date: Tue, 12 Jan 2021 18:32:36 +0000 In-Reply-To: <0DCDB95A-E6E9-45C4-B33D-0493EB8AFA06@gmail.com> Cc: Stewart Bryant , loa Andersson , mpls , draft-ietf-mpls-rmr@ietf.org, mpls-chairs@ietf.org To: Kireeti Kompella References: <0DCDB95A-E6E9-45C4-B33D-0493EB8AFA06@gmail.com> X-Mailer: Apple Mail (2.3608.120.23.2.4) Archived-At: Subject: Re: [mpls] Resend: MPLS WG poll on making draft-ietf-mpls-rmr an Experimental RFC X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 18:32:41 -0000 --Apple-Mail=_200FF52C-CFEE-4A1B-A3F3-8CE081651FFD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On 12 Jan 2021, at 18:14, Kireeti Kompella = wrote: >=20 > - there is interest to progress this as Expt. I think that it would be interesting to initially progress this as = experimental. We can re-spin it on ST if/when experience is gained and if operators = start to significantly deploy. - Stewart --Apple-Mail=_200FF52C-CFEE-4A1B-A3F3-8CE081651FFD Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii


On 12 Jan 2021, at 18:14, Kireeti Kompella <kireeti.kompella@gmail.com> wrote:

- there is = interest to progress this as Expt.

I think that it would be interesting to initially =  progress this as experimental.

We can re-spin it on ST  if/when experience = is gained and if operators start to significantly =  deploy.

- Stewart

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[73.63.232.212]) by smtp.gmail.com with ESMTPSA id 6sm3894599pfj.216.2021.01.12.10.40.26 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Jan 2021 10:40:26 -0800 (PST) Date: Tue, 12 Jan 2021 10:40:12 -0800 From: Jeff Tantsura To: "=?utf-8?Q?mpls=40ietf.org?=" , "=?utf-8?Q?draft-ietf-mpls-rmr=40ietf.org?=" , Loa Andersson Cc: "=?utf-8?Q?mpls-chairs=40ietf.org?=" Message-ID: <9f9c92c9-0592-408b-8175-245d7ad9cb04@Spark> In-Reply-To: References: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> X-Readdle-Message-ID: 9f9c92c9-0592-408b-8175-245d7ad9cb04@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="5ffded18_515f007c_910c" Archived-At: Subject: Re: [mpls] Resend: MPLS WG poll on making draft-ietf-mpls-rmr an Experimental RFC X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 18:40:32 -0000 --5ffded18_515f007c_910c Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi Loa, I believe the technology described is going to be deployed. I don=E2=80=99t have cycles to contribute but can review the document. I=E2=80=99d support the progress as experimental. Cheers, Jeff On Dec 18, 2020, 6:35 PM -0800, Loa Andersson , wrote: > Workig Group, > > When I sent this out I was uncertain on the date to close the poll, I > said =22two week=22 poll. I let us get through the holidays and count f= rom > January 1st, the du date is Junauary 14, 2021. > > /Loa > > On 18/12/2020 13:07, Loa Andersson wrote: > Working Group, > > This is to start a =22two week=22 poll on publishing draft-ietf-mpls-rm= r as > an Experimental R=46C. > > Mid-September the responsible AD sent draft-ietf-mpls-rmr back to the > working group. The direct reason was that there did not seem to be any > interest by the authors to respond to the IESG review. > > The working group chairs took the action start a poll in the working > group to see if there were interest (in the wg) to continue progress th= e > document. > > There were no other responses, than from the two authors, to this poll,= > and the wg chairs agree that there are no documented interest to > progress the draft in the current format. > > The logical action would have been kill the draft. > > However, we have been asked id we could make the document Experimental.= > Obviously this will generate problems with down refs and code point > allocation. But after carefully going through the documents, with some > innovative writing it the Shepherds Write-Up, this could be managed. > > Please respond to the following questions. > > If draft-ietf-mpls-rmr were made an Experimental document > > > - do you think draft-ietf-mpls-rmr is needed and will actually be > =C2=A0 deployed=3F > > - do you have the cycles to contribute to progress and review the > =C2=A0 document=3F > > - are there interest to progress the document in this fashion=3F > > /Loa > for the MPLS wg chairs > > > -- > > Loa Andersson email: loa=40pi.nu > Senior MPLS Expert loa.pi.nu=40gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 > > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > mpls mailing list > mpls=40ietf.org > https://www.ietf.org/mailman/listinfo/mpls --5ffded18_515f007c_910c Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
Hi Loa,

I believe the technology described is going to be deployed.
I don=E2=80=99t have cycles to contribute but can review the document. I=E2=80=99d support the progress as experimental.&=23160;&=23160;

Cheers,
Jeff
On Dec 18, 2020, 6:35 PM -0800, Loa= Andersson <loa=40pi.nu>, wrote:
Workig Group,

When I sent this out I was uncertain on the date to close the poll, I
said =22two week=22 poll. I let us get through the holidays and count fro= m
January 1st, the du date is Junauary 14, 2021.

/Loa

On 18/12/2020 13:07, Loa Andersson wrote:
Working Group,

This is to start a =22two week=22 poll on publishing draft-ietf-mpls-rmr = as
an Experimental R=46C.

Mid-September the responsible AD sent draft-ietf-mpls-rmr back to the
working group. The direct reason was that there did not seem to be any interest by the authors to respond to the IESG review.

The working group chairs took the action start a poll in the working
group to see if there were interest (in the wg) to continue progress the<= br /> document.

There were no other responses, than from the two authors, to this poll, and the wg chairs agree that there are no documented interest to
progress the draft in the current format.

The logical action would have been kill the draft.

However, we have been asked id we could make the document Experimental. Obviously this will generate problems with down refs and code point
= allocation. But after carefully going through the documents, with some innovative writing it the Shepherds Write-Up, this could be managed.

Please respond to the following questions.

If draft-ietf-mpls-rmr were made an Experimental document


- do you think draft-ietf-mpls-rmr is needed and will actually be
&=23160; deployed=3F

- do you have the cycles to contribute to progress and review the
&=23160; document=3F

- are there interest to progress the document in this fashion=3F

/Loa
for the MPLS wg chairs


--

Loa Andersson email: loa=40pi.nu
Senior MPLS Expert loa.pi.nu=40gmail.com
Bronze Dragon Consulting phone: +46 739 81 21 64

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--5ffded18_515f007c_910c-- From nobody Tue Jan 12 12:30:39 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 642233A118E; Tue, 12 Jan 2021 12:30:37 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.36 X-Spam-Level: X-Spam-Status: No, score=-2.36 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, GB_FREEMAIL_DISPTO=0.001, NICE_REPLY_A=-0.262, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bMweKEWTJ5mf; Tue, 12 Jan 2021 12:30:36 -0800 (PST) Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 11A073A1189; Tue, 12 Jan 2021 12:30:36 -0800 (PST) Received: by mail-ej1-x62f.google.com with SMTP id ga15so5379126ejb.4; Tue, 12 Jan 2021 12:30:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=reply-to:subject:to:cc:references:from:message-id :disposition-notification-to:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=5nnfQYgMd4uaglo9kV/uCiRMUXTowdkEY4cHp1fL6uM=; b=uFzrUyRl5JWqPiirGbsTG5mDzngWRKrca0R56Wx9QpJAkz8OyML0d/07Sz8C/qnX3U DFA4WTVbeIQdrp++/OsH0gsNREM+kLdqTzwd4X0RJ2lCDyCaftU/zqjcuqlQH6gLGXwP 84xH+kliGLHI4oPscPKpkQ3//siIcFJirtYGvKL+ml009/XHuzwh8OxDH7HhJMfSNten 0L9C+X4MVKLiUX1Q/mmue2li2rDiuA39LEBrvyKVYMWgslwfFH688ok4mBS+VUF9ojG8 q13B/oDl0tQYB9K/EvBr/tpSMF+6uYtZHPyyHxOeyqJXG32UpZYLSd+WS5hl5YAw2Rce UJSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:subject:to:cc:references:from :message-id:disposition-notification-to:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=5nnfQYgMd4uaglo9kV/uCiRMUXTowdkEY4cHp1fL6uM=; b=fooKsjhEwQFxkeOOD20KoYUWDdsJcWBaujfdy1sVrfkPS0NJskyd2QjIViXD+jyHUq MgdjRTcJO/WhzavexMLPa7k+yJ/LrLgg2zykX+COaEhtqSFekbsNe2q3lK4XQPkBy7UU KodOu1tf1kPi2kzI/x1yRHCM7qejtL6ubSVVfZceAk/708tXm3udpO9RKI/kIHpIkADC XV8+aLxat+KyLR311aR0VjyD2WrkOsxtbSa6Czm4YhuCHr+dxTzA+OkaBUKw9NVNwFYx PNLXQcs/vGkt3oSPls+dOjNvJqsPbwJCCNg8OWBkL04C9cZrROi25vDTPTbN57u5/eZ2 1BkA== X-Gm-Message-State: AOAM532HNRMfYWkEdojyTspg21Sdb5u54463MGN0ITS4/49bBChMZcRM pdiITL1UQEqb51v5K7Bz1J3WS9KVilQ= X-Google-Smtp-Source: ABdhPJweoUDzzJE+u+iH/aINHFqKO378GvTRBYQWAgGCq0hMg/IfHvUePGe/0r2tjHsFnGFc9u3mZw== X-Received: by 2002:a17:906:6606:: with SMTP id b6mr393008ejp.151.1610483434351; Tue, 12 Jan 2021 12:30:34 -0800 (PST) Received: from McAsterix.local ([2a02:a211:8e81:2e00:10ce:433e:5925:5d3b]) by smtp.gmail.com with ESMTPSA id r24sm1940887edc.21.2021.01.12.12.30.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Jan 2021 12:30:33 -0800 (PST) Reply-To: huubatwork@gmail.com To: Loa Andersson , "mpls@ietf.org" , "draft-ietf-mpls-rmr@ietf.org" Cc: "mpls-chairs@ietf.org" References: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> From: Huub van Helvoort Message-ID: <39564395-b2d2-36d2-8de9-87126a0a2212@gmail.com> Date: Tue, 12 Jan 2021 21:30:32 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [mpls] Resend: MPLS WG poll on making draft-ietf-mpls-rmr an Experimental RFC X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 20:30:37 -0000 Hej Loa, You wrote: > Please respond to the following questions. > > If draft-ietf-mpls-rmr were made an Experimental document > > > - do you think draft-ietf-mpls-rmr is needed and will actually be >    deployed? I think it is not needed, there is already RFC8227 which is deployed widely. > - do you have the cycles to contribute to progress and review the >    document? I don't have and will not seek cycles to progress this document. > - are there interest to progress the document in this fashion? No. Best regards, Huub. -- ================================================================ Always remember that you are unique...just like everyone else... 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12 Jan 2021 22:08:47 +0000 From: "BRUNGARD, DEBORAH A" To: Stewart Bryant , Andy Smith CC: "mpls@ietf.org" , "draft-ietf-mpls-rfc6374-sfl@ietf.org" Thread-Topic: Rtgdir last call review of draft-ietf-mpls-rfc6374-sfl-08 Thread-Index: AQHW3V/Fq3aNwsUd0kmT2XF5rzfFA6oOOUiAgBZpGvA= Date: Tue, 12 Jan 2021 22:08:46 +0000 Message-ID: References: <160919060367.7736.6482165412422849474@ietfa.amsl.com> <9639562E-F2F9-4648-B87B-BCD01E1CAA73@stewartbryant.com> In-Reply-To: <9639562E-F2F9-4648-B87B-BCD01E1CAA73@stewartbryant.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: stewartbryant.com; dkim=none (message not signed) header.d=none;stewartbryant.com; dmarc=none action=none header.from=att.com; x-originating-ip: [98.109.184.27] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5f5bdd85-9b94-4c21-9cb9-08d8b746a23c x-ms-traffictypediagnostic: CO6PR02MB7635: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: 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vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-12_19:2021-01-12, 2021-01-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_policy_notspam policy=outbound_policy score=0 malwarescore=0 bulkscore=0 spamscore=0 suspectscore=0 phishscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 lowpriorityscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120128 Archived-At: Subject: Re: [mpls] Rtgdir last call review of draft-ietf-mpls-rfc6374-sfl-08 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 22:09:13 -0000 TXVjaCB0aGFua3MgQW5keSBmb3IgeW91ciBjYXJlZnVsIHJldmlldy0NCg0KU3Rld2FydCAtIEkg YWdyZWUgY2FuIGFkZHJlc3MgdGhlc2UgY29tbWVudHMgd2l0aCBvdGhlciBMYXN0IENhbGwgY29t 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ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 01F6D3A12BC; Tue, 12 Jan 2021 14:15:23 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk CC: Adrian Farrel , adrian@olddog.co.uk, db3546@att.com, draft-ietf-mpls-lsp-ping-registries-update@ietf.org, mpls-chairs@ietf.org, mpls@ietf.org Reply-To: last-call@ietf.org Sender: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <161048972293.12680.14634506381629336143@ietfa.amsl.com> Date: Tue, 12 Jan 2021 14:15:22 -0800 Archived-At: Subject: [mpls] Last Call: (Updating the IANA MPLS LSP Ping Parameters) to Proposed Standard X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 22:15:23 -0000 The IESG has received a request from the Multiprotocol Label Switching WG (mpls) to consider the following document: - 'Updating the IANA MPLS LSP Ping Parameters' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the last-call@ietf.org mailing lists by 2021-01-26. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This document updates RFC 8029 and RFC 8611 that both define IANA registries for MPLS LSP Ping. It also updates the description of the procedures for the responses sent when an unknown or erroneous code point is found. The updates are to clarify and align this name space with recent developments. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-mpls-lsp-ping-registries-update/ No IPR declarations have been submitted directly on this I-D. From nobody Tue Jan 12 14:16:52 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 77C433A17A6; Tue, 12 Jan 2021 14:16:46 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk CC: Loa Andersson , db3546@att.com, draft-ietf-mpls-rfc6374-sfl@ietf.org, loa@pi.nu, mpls-chairs@ietf.org, mpls@ietf.org Reply-To: last-call@ietf.org Sender: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <161048980646.22087.13888907482442066321@ietfa.amsl.com> Date: Tue, 12 Jan 2021 14:16:46 -0800 Archived-At: Subject: [mpls] Last Call: (RFC6374 Synonymous Flow Labels) to Proposed Standard X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 22:16:51 -0000 The IESG has received a request from the Multiprotocol Label Switching WG (mpls) to consider the following document: - 'RFC6374 Synonymous Flow Labels' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the last-call@ietf.org mailing lists by 2021-01-26. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This document describes a method of making RFC6374 performance measurements on flows carried over an MPLS Label Switched path. This allows loss and delay measurements to be made on multi-point to point LSPs and allows the measurement of flows within an MPLS construct using RFC6374. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-mpls-rfc6374-sfl/ The following IPR Declarations may be related to this I-D: https://datatracker.ietf.org/ipr/2706/ https://datatracker.ietf.org/ipr/2989/ https://datatracker.ietf.org/ipr/2991/ From nobody Tue Jan 12 18:33:43 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AA70B3A0BFD; Tue, 12 Jan 2021 18:33:40 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.097 X-Spam-Level: X-Spam-Status: No, score=-1.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, FREEMAIL_REPLY=1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id o2kooTaprKnT; Tue, 12 Jan 2021 18:33:39 -0800 (PST) Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0708C3A0B44; Tue, 12 Jan 2021 18:33:39 -0800 (PST) Received: by mail-io1-xd2c.google.com with SMTP id o6so1100057iob.10; Tue, 12 Jan 2021 18:33:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=36uGati7HIaGtGaQ6RG7tCJNOQcZUWurgS0l6E4Ngpc=; b=JPsnJQNkl7kx4tsxmRHqvKTyXHmUBXliNzualChOLt4BiBtwxiKNlC43Dxz8Al+Eep tAZT9vnHNtMfyDtRqzbHbV2ber21GAQNqmwS94ewLWNA22q/TqO1HzOkLL8lRxEh73Nq rf0dwTvhMY/DBlGAb5eSVl/iShevE5OZLQohh6Hlvh8WKYYy44+JZI31IW8Anbnz5UA+ lXMH+P+BJHEc2yorSyXaTPnBjhT8SrgxGlWBcY9Dk7cBJ8Wb6c/xis/DLQ/AyQ7HPCJI 2boM72B/8RR+iemxR2svlC5oj/PnA4WlwNMifAq+C0Usdzqm/YsSYzvpq38LhC10GRxP eNXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=36uGati7HIaGtGaQ6RG7tCJNOQcZUWurgS0l6E4Ngpc=; b=q6grmleI/0SPRIvmgif8xJI/U0fgGjwsMotkkmqkraM4q2f3S+o6sxzVKUtZAvjBhC 7pB4y66XRega5q/sY2tq53xRs3ucXbYEr7EyoHWUDWthiJQoKv0IyTpPHed2WqSH8GBT E3mtYA+BDjPGaWrzs9RMbCYbdnVh6x8Egp1y927F5L/jc8H0vuXEef2MJS3f7V+Me7PB mYUnSfSTMGjHaxrzqndcneYuUuByG9Et+BPiaQrrqBLUR8dfIsP8vcVb3nTvwvkQX83x xEJEQZGzEXYdWbq8N89mac2Llk56Mq5PPoBHMIDav86pRn6Ad+eO2GTncPWZNxD+vWM0 F7iA== X-Gm-Message-State: AOAM532LnwBXYrX7a2C0fGiwkjd0daigOKHq2VU1HsoxDO/ucbkxQqGu 2BmZcJMBmgZZMLEd5cjLlOICfqqTgemFWIUEpo0daJqNvMI= X-Google-Smtp-Source: ABdhPJwShSPN7oJJSe+KF5ACDKLUhWkSG5EknHMVkbirjR47uq/L15qjP0HTUFEKc8yC3D16FajNAph43bZ9cUacQ4M= X-Received: by 2002:a05:6638:3006:: with SMTP id r6mr229726jak.72.1610505218204; Tue, 12 Jan 2021 18:33:38 -0800 (PST) MIME-Version: 1.0 References: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> In-Reply-To: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> From: Vishnu Pavan Beeram Date: Tue, 12 Jan 2021 20:33:27 -0600 Message-ID: To: Loa Andersson Cc: "mpls@ietf.org" , "draft-ietf-mpls-rmr@ietf.org" , "mpls-chairs@ietf.org" Content-Type: multipart/alternative; boundary="00000000000070a80805b8bef7a9" Archived-At: Subject: Re: [mpls] MPLS WG poll on making draft-ietf-mpls-rmr X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jan 2021 02:33:41 -0000 --00000000000070a80805b8bef7a9 Content-Type: text/plain; charset="UTF-8" I support the progress of this document as "experimental". I do believe that this work will get deployed and I do have cycles to contribute/review. Regards, -Pavan On Thu, Dec 17, 2020 at 11:07 PM Loa Andersson wrote: > Working Group, > > This is to start a "two week" poll on publishing draft-ietf-mpls-rmr as > an Experimental RFC. > > Mid-September the responsible AD sent draft-ietf-mpls-rmr back to the > working group. The direct reason was that there did not seem to be any > interest by the authors to respond to the IESG review. > > The working group chairs took the action start a poll in the working > group to see if there were interest (in the wg) to continue progress the > document. > > There were no other responses, than from the two authors, to this poll, > and the wg chairs agree that there are no documented interest to > progress the draft in the current format. > > The logical action would have been kill the draft. > > However, we have been asked id we could make the document Experimental. > Obviously this will generate problems with down refs and code point > allocation. But after carefully going through the documents, with some > innovative writing it the Shepherds Write-Up, this could be managed. > > Please respond to the following questions. > > If draft-ietf-mpls-rmr were made an Experimental document > > > - do you think draft-ietf-mpls-rmr is needed and will actually be > deployed? > > - do you have the cycles to contribute to progress and review the > document? > > - are there interest to progress the document in this fashion? > > /Loa > for the MPLS wg chairs > > -- > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > --00000000000070a80805b8bef7a9 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I support the progress of this document as "experimen= tal".=C2=A0

I do believe that this work will get de= ployed and I do have cycles to contribute/review.

Regard= s,
-Pavan

On Thu, Dec 17, 2020 at 11:07 PM Loa Anderss= on <loa@pi.nu> wrote:
Working Group,

This is to start a "two week" poll on publishing draft-ietf-mpls-= rmr as
an Experimental RFC.

Mid-September the responsible AD sent draft-ietf-mpls-rmr back to the
working group. The direct reason was that there did not seem to be any
interest by the authors to respond to the IESG review.

The working group chairs took the action start a poll in the working
group to see if there were interest (in the wg) to continue progress the document.

There were no other responses, than from the two authors, to this poll, and the wg chairs agree that there are no documented interest to
progress the draft in the current format.

The logical action would have been kill the draft.

However, we have been asked id we could make the document Experimental.
Obviously this will generate problems with down refs and code point
allocation. But after carefully going through the documents, with some
innovative writing it the Shepherds Write-Up, this could be managed.

Please respond to the following questions.

If draft-ietf-mpls-rmr were made an Experimental document


- do you think draft-ietf-mpls-rmr is needed and will actually be
=C2=A0 =C2=A0deployed?

- do you have the cycles to contribute to progress and review the
=C2=A0 =C2=A0document?

- are there interest to progress the document in this fashion?

/Loa
for the MPLS wg chairs

--

Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
Senior MPLS Expert=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 loa.pi.nu@gmail.com
Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0pho= ne: +46 739 81 21 64

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls
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Wed, 13 Jan 2021 04:09:57 +0000 From: Chandrasekar Ramachandran To: Loa Andersson , "mpls@ietf.org" , "mpls-chairs@ietf.org" CC: "draft-ietf-mpls-rmr@ietf.org" Thread-Topic: MPLS WG poll on making draft-ietf-mpls-rmr Thread-Index: AQHW1Uze5irusE6Aok24jOdHymVEhaolFqzg Date: Wed, 13 Jan 2021 04:09:57 +0000 Message-ID: References: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> <0C60BC5A-AF91-4A89-89B3-5929C3692B29@juniper.net> In-Reply-To: <0C60BC5A-AF91-4A89-89B3-5929C3692B29@juniper.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_7a6262c0-804d-4ff7-addc-c437ca753822_Enabled=true; MSIP_Label_7a6262c0-804d-4ff7-addc-c437ca753822_SetDate=2021-01-13T04:09:52Z; MSIP_Label_7a6262c0-804d-4ff7-addc-c437ca753822_Method=Privileged; MSIP_Label_7a6262c0-804d-4ff7-addc-c437ca753822_Name=7a6262c0-804d-4ff7-addc-c437ca753822; MSIP_Label_7a6262c0-804d-4ff7-addc-c437ca753822_SiteId=bea78b3c-4cdb-4130-854a-1d193232e5f4; MSIP_Label_7a6262c0-804d-4ff7-addc-c437ca753822_ActionId=6e268d32-2c31-4cb7-a80c-cf7d0cca7b64; 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charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: juniper.net X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR05MB5129.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f634b21a-df2d-4ad1-c589-08d8b77916a3 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jan 2021 04:09:57.0493 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: NZpgzEZurbc6AvxVPRhFYMOKVag413HlRnhKdqN1XnG75+nGHyGLcrIr7/M7RFerRiwpS3EyaERR4yK89faGoQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR05MB6779 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-13_02:2021-01-12, 2021-01-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam score=0 spamscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 adultscore=0 mlxlogscore=992 clxscore=1011 impostorscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101130022 Archived-At: Subject: Re: [mpls] MPLS WG poll on making draft-ietf-mpls-rmr X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jan 2021 04:10:01 -0000 SSB0aGluayBkcmFmdC1pZXRmLW1wbHMtcm1yIGlzIG5lZWRlZCBhbmQgd2lsbCBhY3R1YWxseSBi ZSBkZXBsb3llZC4NCkkgc3VwcG9ydCB0aGUgcHJvZ3Jlc3Mgb2YgdGhlIGRvY3VtZW50IGFzIGV4 cGVyaW1lbnRhbC4NCg0KVGhhbmtzLA0KQ2hhbmRyYS4NCg0KPiDvu78gT24gVGh1LCBEZWMgMTcs IDIwMjAgYXQgMTE6MDcgUE0gTG9hIEFuZGVyc3NvbiA8bG9hQHBpLm51PiB3cm90ZToNCj4gDQo+ ICAgICBXb3JraW5nIEdyb3VwLA0KPiANCj4gICAgIFRoaXMgaXMgdG8gc3RhcnQgYSAidHdvIHdl ZWsiIHBvbGwgb24gcHVibGlzaGluZyBkcmFmdC1pZXRmLW1wbHMtcm1yIGFzDQo+ICAgICBhbiBF eHBlcmltZW50YWwgUkZDLg0KPiANCj4gICAgIE1pZC1TZXB0ZW1iZXIgdGhlIHJlc3BvbnNpYmxl IEFEIHNlbnQgZHJhZnQtaWV0Zi1tcGxzLXJtciBiYWNrIHRvIHRoZQ0KPiAgICAgd29ya2luZyBn cm91cC4gVGhlIGRpcmVjdCByZWFzb24gd2FzIHRoYXQgdGhlcmUgZGlkIG5vdCBzZWVtIHRvIGJl IGFueQ0KPiAgICAgaW50ZXJlc3QgYnkgdGhlIGF1dGhvcnMgdG8gcmVzcG9uZCB0byB0aGUgSUVT RyByZXZpZXcuDQo+IA0KPiAgICAgVGhlIHdvcmtpbmcgZ3JvdXAgY2hhaXJzIHRvb2sgdGhlIGFj dGlvbiBzdGFydCBhIHBvbGwgaW4gdGhlIHdvcmtpbmcNCj4gICAgIGdyb3VwIHRvIHNlZSBpZiB0 aGVyZSB3ZXJlIGludGVyZXN0IChpbiB0aGUgd2cpIHRvIGNvbnRpbnVlIHByb2dyZXNzIHRoZQ0K PiAgICAgZG9jdW1lbnQuDQo+IA0KPiAgICAgVGhlcmUgd2VyZSBubyBvdGhlciByZXNwb25zZXMs IHRoYW4gZnJvbSB0aGUgdHdvIGF1dGhvcnMsIHRvIHRoaXMgcG9sbCwNCj4gICAgIGFuZCB0aGUg d2cgY2hhaXJzIGFncmVlIHRoYXQgdGhlcmUgYXJlIG5vIGRvY3VtZW50ZWQgaW50ZXJlc3QgdG8N Cj4gICAgIHByb2dyZXNzIHRoZSBkcmFmdCBpbiB0aGUgY3VycmVudCBmb3JtYXQuDQo+IA0KPiAg ICAgVGhlIGxvZ2ljYWwgYWN0aW9uIHdvdWxkIGhhdmUgYmVlbiBraWxsIHRoZSBkcmFmdC4NCj4g DQo+ICAgICBIb3dldmVyLCB3ZSBoYXZlIGJlZW4gYXNrZWQgaWQgd2UgY291bGQgbWFrZSB0aGUg ZG9jdW1lbnQNCj4gRXhwZXJpbWVudGFsLg0KPiAgICAgT2J2aW91c2x5IHRoaXMgd2lsbCBnZW5l cmF0ZSBwcm9ibGVtcyB3aXRoIGRvd24gcmVmcyBhbmQgY29kZSBwb2ludA0KPiAgICAgYWxsb2Nh dGlvbi4gQnV0IGFmdGVyIGNhcmVmdWxseSBnb2luZyB0aHJvdWdoIHRoZSBkb2N1bWVudHMsIHdp dGggc29tZQ0KPiAgICAgaW5ub3ZhdGl2ZSB3cml0aW5nIGl0IHRoZSBTaGVwaGVyZHMgV3JpdGUt VXAsIHRoaXMgY291bGQgYmUgbWFuYWdlZC4NCj4gDQo+ICAgICBQbGVhc2UgcmVzcG9uZCB0byB0 aGUgZm9sbG93aW5nIHF1ZXN0aW9ucy4NCj4gDQo+ICAgICBJZiBkcmFmdC1pZXRmLW1wbHMtcm1y IHdlcmUgbWFkZSBhbiBFeHBlcmltZW50YWwgZG9jdW1lbnQNCj4gDQo+IA0KPiAgICAgLSBkbyB5 b3UgdGhpbmsgZHJhZnQtaWV0Zi1tcGxzLXJtciBpcyBuZWVkZWQgYW5kIHdpbGwgYWN0dWFsbHkg YmUNCj4gICAgICAgIGRlcGxveWVkPw0KPiANCj4gICAgIC0gZG8geW91IGhhdmUgdGhlIGN5Y2xl cyB0byBjb250cmlidXRlIHRvIHByb2dyZXNzIGFuZCByZXZpZXcgdGhlDQo+ICAgICAgICBkb2N1 bWVudD8NCj4gDQo+ICAgICAtIGFyZSB0aGVyZSBpbnRlcmVzdCB0byBwcm9ncmVzcyB0aGUgZG9j dW1lbnQgaW4gdGhpcyBmYXNoaW9uPw0KPiANCj4gICAgIC9Mb2ENCj4gICAgIGZvciB0aGUgTVBM UyB3ZyBjaGFpcnMNCj4gDQo+ICAgICAtLQ0KPiANCj4gICAgIExvYSBBbmRlcnNzb24gICAgICAg ICAgICAgICAgICAgICAgICBlbWFpbDogbG9hQHBpLm51DQo+ICAgICBTZW5pb3IgTVBMUyBFeHBl cnQgICAgICAgICAgICAgICAgICAgICAgICAgIGxvYS5waS5udUBnbWFpbC5jb20NCj4gICAgIEJy b256ZSBEcmFnb24gQ29uc3VsdGluZyAgICAgICAgICAgICBwaG9uZTogKzQ2IDczOSA4MSAyMSA2 NA0KDQoNCkp1bmlwZXIgUHVibGljDQo= From nobody Tue Jan 12 20:54:48 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BE5893A0981; Tue, 12 Jan 2021 20:54:46 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2qI-Uxeep3VH; Tue, 12 Jan 2021 20:54:45 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E49BA3A0B23; Tue, 12 Jan 2021 20:54:41 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 10EAA3287F3; Wed, 13 Jan 2021 05:54:38 +0100 (CET) From: Loa Andersson To: "mpls@ietf.org" Cc: "draft-bryant-mpls-sfl-control@ietf.org" , "mpls-chairs@ietf.org" References: <27447ea9-7fe6-5cdc-b739-962e6144f7ce@pi.nu> Message-ID: Date: Wed, 13 Jan 2021 12:54:34 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: [mpls] Closed: Extended: working group adoption poll on draft-bryant-mpls-sfl-control -- Correction X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jan 2021 04:54:47 -0000 Working Group, The adoption poll is closed! WE have a new working group document. Could the authors please post: draft-ietf-mpls-sfl-control-00 With no other changes than administrativia as compared to the fovument that was polled. /Loa On 17/12/2020 12:38, Loa Andersson wrote: > Working Group, > > We have had good and strong responses to this adoption poll, but they > are a bit fewer than I like. I'm extending the wgap until January 5 2021 > (or until I have enought responses). > > /Loa > > On 29/11/2020 14:00, Loa Andersson wrote: >> Working Group (now from a repaired keyboard), >> >> The announcement of the adoption poll for >> draft-bryant-mpls-sfl-control had many typos, in part depending on >> mango juice in my keyboard. This is a correction. You may respond to >> this mail or the orignal, if you responded no need to do it again. >> >> On 27/11/2020 11:50, Loa Andersson wrote: >>> Working Group, >>> >>> This is to start a two week poll on adopting >>> draft-bryant-mpls-sfl-control >>> as a MPLS working group document. >>> >>> Please send your comments (support/not support) to the mpls working >>> group mailing list (mpls@ietf.org). Please give a technical >>> motivation for your support/not support, especially if you think that >>> the document should not be adopted as a working group document. >>> >>> There are two IPR disclosures against this document. >>> >>> The authors have stated on the MPLS wg mailing list (or directly to >>> the document shepherd) that they are unaware of any IPRs that relates >>> to this document. >>> >>> The working group adoption poll ends Dec 11, 2020. >>> >>> /Loa >>> mpls wg co-chair >> > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Wed Jan 13 04:06:43 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 206BD3A0BFD; Wed, 13 Jan 2021 04:06:42 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.917 X-Spam-Level: X-Spam-Status: No, score=-1.917 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, MAY_BE_FORGED=0.001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Xj584AzdYTky; Wed, 13 Jan 2021 04:06:39 -0800 (PST) Received: from mta7.iomartmail.com (mta7.iomartmail.com [62.128.193.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EFCED3A0BF8; Wed, 13 Jan 2021 04:06:38 -0800 (PST) Received: from vs1.iomartmail.com (vs1.iomartmail.com [10.12.10.121]) by mta7.iomartmail.com (8.14.4/8.14.4) with ESMTP id 10DC6a61011400; Wed, 13 Jan 2021 12:06:36 GMT Received: from vs1.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 586912203A; Wed, 13 Jan 2021 12:06:36 +0000 (GMT) Received: from asmtp3.iomartmail.com (unknown [10.12.10.224]) by vs1.iomartmail.com (Postfix) with ESMTPS id 406BE2203B; Wed, 13 Jan 2021 12:06:36 +0000 (GMT) Received: from LAPTOPK7AS653V (195.158.51.84.dyn.plus.net [84.51.158.195] (may be forged)) (authenticated bits=0) by asmtp3.iomartmail.com (8.14.4/8.14.4) with ESMTP id 10DC6SLZ032052 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 13 Jan 2021 12:06:35 GMT Reply-To: From: "Adrian Farrel" To: "'Loa Andersson'" , , Cc: References: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> In-Reply-To: Date: Wed, 13 Jan 2021 12:06:27 -0000 Organization: Old Dog Consulting Message-ID: <0a5901d6e9a4$897c2050$9c7460f0$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIObS6qUlrqaHFduAUCiuTn40goHAGRYSk7qaniP7A= Content-Language: en-gb X-Originating-IP: 84.51.158.195 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-25908.007 X-TM-AS-Result: No--5.245-10.0-31-10 X-imss-scan-details: No--5.245-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-25908.007 X-TMASE-Result: 10--5.245100-10.000000 X-TMASE-MatchedRID: 1GZI+iG+MtfxIbpQ8BhdbPHkpkyUphL9BnIRIVcCWN+5ydHcTD/WXtxy aYgwtXL5vsVoNN6KMR5x42Bzu7O0WG52WWr8nOd0vHKClHGjjr2lAfiiC1VA/QyYpy5Q44xziiq okckdfZaZ4KYAaxbIchnEcC35qD2Y0aGiO3rVBv0dyHiBnyiVvxrqgrduJYasjs8grGEcDWmTCA EdBh0acSoLt8AP659OhNZu2HEUUwSZxQ0LLmG+f/ChiQolft/y3V4UShoTXaenRvssirgAK8wer J+hsObRc9lHMFJjxUsbShpHN0FKWljGUjVa6enrXFZazdFRxWu+F//Mn3a2w/XwfuDL3qUMo8WM kQWv6iXh7z8MHC5cZ3QdJ7XfU86e4kYXbobxJbLLLrRfL5Fh4cYxMmG2Hd1iSsEIgDEynGNw/cc lVt6YISeZBQbD9coJRjwilagX/uI= X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [mpls] Resend: MPLS WG poll on making draft-ietf-mpls-rmr an Experimental RFC X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jan 2021 12:06:42 -0000 Hi Loa, all, > When I sent this out I was uncertain on the date to close the poll, I=20 > said "two week" poll. I let us get through the holidays and count from = > January 1st, the du date is Junauary 14, 2021. > >> Please respond to the following questions. >> >> If draft-ietf-mpls-rmr were made an Experimental document >> >> - do you think draft-ietf-mpls-rmr is needed and will actually be >> deployed? Hard to know. An even earlier question would be, "Do you think that this = draft will find its way into shipping product." Rings are important in some MPLS networks, and having a solution = (possibly this one) would seem a good thing, but the level of excitement = on the list would seem to suggest that there isn't a push for the = function at the moment. > - do you have the cycles to contribute to progress and review the > document? Not really. > - are there interest to progress the document in this fashion? I wouldn't object, but I note that moving to Experimental is not just = changing a word at the top of the document.=20 What is the scope of the experiment? How is the conclusion of the experiment assessed? What happens if there is a mix of nodes some of which are not = participating in the experiment? Cheers, Adrian From nobody Wed Jan 13 04:35:55 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 22B1F3A0CD6; Wed, 13 Jan 2021 04:35:44 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: mpls@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: mpls@ietf.org Message-ID: <161054134409.3504.2674691677794169460@ietfa.amsl.com> Date: Wed, 13 Jan 2021 04:35:44 -0800 Archived-At: Subject: [mpls] I-D Action: draft-ietf-mpls-sfl-control-00.txt X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jan 2021 12:35:44 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Multiprotocol Label Switching WG of the IETF. Title : A Simple Control Protocol for MPLS SFLs Authors : Stewart Bryant George Swallow Siva Sivabalan Filename : draft-ietf-mpls-sfl-control-00.txt Pages : 14 Date : 2021-01-13 Abstract: In draft-ietf-mpls-sfl-framework the concept of MPLS synonymous flow labels (SFL) was introduced. This document describes a simple control protocol that runs over an associated control header to request, withdraw, and extend the lifetime of such labels. It is not the only control protocol that moght be used to support SFL, but it has the benefit of being able to be used without modifying of the existing MPLS control prodocols. The existance of this design is not intended to restrict the ability to enhance an existing MPLS control protocol to add a similar capability. A Querier MUST wait a configured time (suggested wait of 60 seconds) before re-attempting a Withdraw request. No more than three Withdraw requests SHOULD be made. These restricctions are to prevent overloading the control plane of the actioning router. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-mpls-sfl-control/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-mpls-sfl-control-00 https://datatracker.ietf.org/doc/html/draft-ietf-mpls-sfl-control-00 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Jan 13 05:45:42 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7B0043A0CC4 for ; Tue, 12 Jan 2021 23:21:07 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.238 X-Spam-Level: X-Spam-Status: No, score=-0.238 tagged_above=-999 required=5 tests=[BAYES_05=-0.5, HTML_MESSAGE=0.001, HTML_OBFUSCATE_05_10=0.26, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2OkvMb78g23K for ; Tue, 12 Jan 2021 23:21:04 -0800 (PST) Received: from cmccmta3.chinamobile.com (cmccmta3.chinamobile.com [221.176.66.81]) by ietfa.amsl.com (Postfix) with ESMTP id 96E1F3A0CC3 for ; Tue, 12 Jan 2021 23:21:03 -0800 (PST) Received: from spf.mail.chinamobile.com (unknown[172.16.121.19]) by rmmx-syy-dmz-app09-12009 (RichMail) with SMTP id 2ee95ffe9f52724-fc004; Wed, 13 Jan 2021 15:20:50 +0800 (CST) X-RM-TRANSID: 2ee95ffe9f52724-fc004 X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from cmccPC (unknown[223.69.29.78]) by rmsmtp-syy-appsvr10-12010 (RichMail) with SMTP id 2eea5ffe9f504b1-06887; Wed, 13 Jan 2021 15:20:50 +0800 (CST) X-RM-TRANSID: 2eea5ffe9f504b1-06887 From: "Feng Yang" To: Date: Wed, 13 Jan 2021 15:20:58 +0800 Message-ID: <00f701d6e97c$a4280130$ec780390$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00F8_01D6E9BF.B24B4130" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdbpfKOZQ7GvunBnTfq6DY+vWhU59A== Content-Language: zh-cn Archived-At: X-Mailman-Approved-At: Wed, 13 Jan 2021 05:45:41 -0800 Subject: Re: [mpls] WG adoption poll for draft-cheng-mpls-inband-pm-encapsulation X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jan 2021 07:21:08 -0000 This is a multi-part message in MIME format. ------=_NextPart_000_00F8_01D6E9BF.B24B4130 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SGksDQoNCiANCg0KU3VwcG9ydC4NCg0KIA0KDQpXaXRoIHRoaXMsIHdlIGNhbiBoYXZlIHRoZSB1 bmlmaWVkIHdheSB0byBoYW5kbGUgVlBOL1R1bm5lbCBsZXZlbCBsb3NzL2RlbGF5DQptZWFzdXJl bWVudC4NCg0KIA0KDQogDQoNCkJSo6wNCg0KIA0KDQrR7rfmDQoNCkZlbmcgWWFuZw0KDQrW0Ln6 0sa2r82o0MXR0L6/1LogzfjC59PrSVS8vMr10dC+v8v5DQoNCrXY1rejurGxvqnK0ND7zuTDxc73 tPO91jMyusUNCg0K08qx4KO6MTAwMDUzDQoNCrXnu7CjujE1ODAxNjk2Njg4LTM1MDkwICAgICAg DQoNCsrWu/qjujEzOTExMTYxNDk4DQoNCkVtYWlsOiAgPG1haWx0bzp6aGFuZ2JpbmdiaW5nQGNo aW5hbW9iaWxlLmNvbT4geWFuZ2ZlbmdAY2hpbmFtb2JpbGUuY29tDQoNCiANCg0K ------=_NextPart_000_00F8_01D6E9BF.B24B4130 Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Hi,

 =

Support.

 =

With this, = we can have the unified way to handle VPN/Tunnel level loss/delay = measurement.

 =

 =

BR=A3=AC

 =

=D1=EE=B7=E6=

Feng Yang

=D6=D0=B9=FA=D2=C6=B6=AF=CD=A8=D0=C5=D1=D0=BE=BF=D4=BA = =CD=F8=C2=E7=D3=EBIT=BC=BC=CA=F5=D1=D0=BE=BF=CB=F9

=B5=D8=D6=B7=A3=BA=B1=B1=BE=A9=CA=D0=D0=FB=CE=E4=C3=C5=CE=F7=B4=F3=BD=D6= 32=BA=C5

=D3=CA=B1=E0=A3=BA100053

=B5=E7=BB=B0=A3=BA15801696688-35090      = =

=CA=D6=BB=FA=A3=BA13911161498=

Email: = yangfeng@chinamobile.com

 

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<1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> To: Loa Andersson , "mpls@ietf.org" , "draft-ietf-mpls-rmr@ietf.org" , "mpls-chairs@ietf.org" In-Reply-To: <1b7d7573-d3d6-6f62-001b-998a6e8e65f7@pi.nu> Message-Id: <4B27AEC0-BA36-47B4-BD83-B0F71FB92DC6@gmail.com> X-Mailer: Apple Mail (2.3608.120.23.2.4) Archived-At: Subject: Re: [mpls] MPLS WG poll on making draft-ietf-mpls-rmr X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Jan 2021 13:58:46 -0000 --Apple-Mail=_E521975C-C7A9-4F49-AB0E-7FADDB7DC3CF Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi, =20 I support the progress of this document as "experimental=E2=80=9D. I have the availability to contribute and review the document. I think that this technology will get deployed. =20 Thanks, --Colby > On Dec 18, 2020, at 12:07 AM, Loa Andersson wrote: >=20 > Working Group, >=20 > This is to start a "two week" poll on publishing draft-ietf-mpls-rmr = as an Experimental RFC. >=20 > Mid-September the responsible AD sent draft-ietf-mpls-rmr back to the = working group. The direct reason was that there did not seem to be any = interest by the authors to respond to the IESG review. >=20 > The working group chairs took the action start a poll in the working = group to see if there were interest (in the wg) to continue progress the = document. >=20 > There were no other responses, than from the two authors, to this = poll, and the wg chairs agree that there are no documented interest to = progress the draft in the current format. >=20 > The logical action would have been kill the draft. >=20 > However, we have been asked id we could make the document = Experimental. > Obviously this will generate problems with down refs and code point = allocation. But after carefully going through the documents, with some = innovative writing it the Shepherds Write-Up, this could be managed. >=20 > Please respond to the following questions. >=20 > If draft-ietf-mpls-rmr were made an Experimental document >=20 >=20 > - do you think draft-ietf-mpls-rmr is needed and will actually be > deployed? >=20 > - do you have the cycles to contribute to progress and review the > document? >=20 > - are there interest to progress the document in this fashion? >=20 > /Loa > for the MPLS wg chairs >=20 > --=20 >=20 > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 >=20 > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls --Apple-Mail=_E521975C-C7A9-4F49-AB0E-7FADDB7DC3CF Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Hi,
 
I =
support the progress of this document as "experimental=E2=80=9D.

I have the availability to =
contribute and review the document.

I think =
that this technology will get deployed.
 
Thanks,

--Colby



On Dec = 18, 2020, at 12:07 AM, Loa Andersson <loa@pi.nu> wrote:

Working Group,

This is to start = a "two week" poll on publishing draft-ietf-mpls-rmr as an Experimental = RFC.

Mid-September the responsible AD sent = draft-ietf-mpls-rmr back to the working group. The direct reason was = that there did not seem to be any interest by the authors to respond to = the IESG review.

The working group chairs = took the action start a poll in the working group to see if there were = interest (in the wg) to continue progress the document.

There were no other responses, than from the two authors, to = this poll, and the wg chairs agree that there are no documented interest = to progress the draft in the current format.

The logical action would have been kill the draft.

However, we have been asked id we could make = the document Experimental.
Obviously this will generate = problems with down refs and code point allocation. But after carefully = going through the documents, with some innovative writing it the = Shepherds Write-Up, this could be managed.

Please respond to the following questions.

If draft-ietf-mpls-rmr were made an Experimental document


- do you think = draft-ietf-mpls-rmr is needed and will actually be
=  deployed?

- do you have the cycles to = contribute to progress and review the
 document?

- are there interest to progress the document = in this fashion?

/Loa
for the = MPLS wg chairs

--

Loa Andersson =             &n= bsp;          email: loa@pi.nu
Senior MPLS Expert =             &n= bsp;           &nbs= p;loa.pi.nu@gmail.com
Bronze Dragon = Consulting =             ph= one: +46 739 81 21 64

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= --Apple-Mail=_E521975C-C7A9-4F49-AB0E-7FADDB7DC3CF-- From nobody Thu Jan 14 09:22:05 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id DF90D3A1354; Thu, 14 Jan 2021 09:22:03 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: mpls@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: mpls@ietf.org Message-ID: <161064492386.24817.17328689919075371985@ietfa.amsl.com> Date: Thu, 14 Jan 2021 09:22:03 -0800 Archived-At: Subject: [mpls] I-D Action: draft-kompella-mpls-larp-09.txt X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Jan 2021 17:22:04 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Multiprotocol Label Switching WG of the IETF. Title : Label Distribution Using ARP Authors : Kireeti Kompella R. Balaji Reji Thomas Filename : draft-kompella-mpls-larp-09.txt Pages : 13 Date : 2021-01-14 Abstract: This document describes extensions to the Address Resolution Protocol to distribute MPLS labels for IPv4 and IPv6 host addresses. Distribution of labels via ARP enables simple plug-and-play operation of MPLS, which is key to deploying MPLS in data centers and enterprises. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-kompella-mpls-larp/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-kompella-mpls-larp-09 https://datatracker.ietf.org/doc/html/draft-kompella-mpls-larp-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-kompella-mpls-larp-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Fri Jan 15 05:23:38 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 44A7A3A0CF2 for ; Fri, 15 Jan 2021 05:23:37 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.1 X-Spam-Level: X-Spam-Status: No, score=-2.1 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=telecomitalia.it Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zwjZq3C1CrWj for ; Fri, 15 Jan 2021 05:23:34 -0800 (PST) Received: from mx07.telecomitalia.it 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X19fXw0KbXBscyBtYWlsaW5nIGxpc3QNCm1wbHNAaWV0Zi5vcmcNCmh0dHBzOi8vd3d3LmlldGYu b3JnL21haWxtYW4vbGlzdGluZm8vbXBscw0KDQoNCg== --_000_DM6PR11MB3115A6CBEB40A0E3CD85FA9BBFA70DM6PR11MB3115namp_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Thanks Xiao Min for= your review.

 

Section 5.1 includes this case for the indicator.
=A1=B0If both edge and transi=
t nodes need to process IOAM data then HbH IOAM Indicator Label is used.=A1=
=B1

 

In any case, IOAM d= ata field(s) are updated according to the type of the IOAM data field(s).

 

Thanks,<= /span>

Rakesh

 

 

From: mpls <mpls-bounc= es@ietf.org>
Date: Monday, January 11, 2021 at 8:49 PM
To: mpls@ietf.org <mpls@ietf.org>
Subject: [mpls] Comment on draft-gandhi-mpls-ioam-sr-05

Hi authors,

While looking through the updated -05 version of this draft, a question eme= rged in my mind, with the separated Edge-to-Edge IOAM Indicator Label and H= op-by-Hop IOAM Indicator Label, how can the network operator achieve both t= he Edge-to-Edge IOAM and Hop-by-Hop IOAM simultaneously?
I think there are two ways to achieve that, one way is to define the third = IOAM Indicator Label which indicates the existence of both Edge-to-Edge IOA= M and Hop-by-Hop IOAM, another way is to merge the current two IOAM Indicat= or Labels and let the IOAM Option-Type to tell the difference between Edge-to-Edge IOAM and Hop-by-Hop IOAM.

Best Regards,
Xiao Min

=D4=AD=CA=BC=D3=CA=BC=FE

= =B7=A2=BC=FE=C8=CB=A3=BAinternet-drafts@ietf.org

=CA=D5=BC=FE= =C8=CB=A3=BAi-d-announce@ietf.org ;

=B3=AD=CB=CD= =C8=CB=A3=BAmpls@ietf.org;

=C8=D5= =C6=DA =A3=BA2021=C4=EA01=D4=C209=C8=D5 23:49

=D6=F7= =CC=E2 =A3=BA[mpls] I-D Action: draf= t-gandhi-mpls-ioam-sr-05.txt


A New Internet-Draft is available from the&nb= sp;on-line Internet-Drafts directories.
This draft is a work item of the Mu= ltiprotocol Label Switching WG of the IETF.
        Title   &nbs= p;       : MPLS Data Plan= e Encapsulation for In-situ OAM Dataloo
        Authors   &n= bsp;     : Rakesh Gandhi
            &nb= sp;            =  Zafar Ali
            &nb= sp;            =  Clarence Filsfils
            &nb= sp;            =  Frank Brockners
            &nb= sp;            =  Bin Wen
            &nb= sp;            =  Voitek Kozak
    Filename       &= nbsp;: draft-gandhi-mpls-ioam-sr-05.txt
    Pages       &nbs= p;   : 14
    Date        = ;    : 2021-01-09

Abstract:
   In-situ Operations, Administration, and&nb= sp;Maintenance (IOAM) records
   operational and telemetry information = ;in the data packet while the
   packet traverses a path between = two nodes in the network.  This
   document defines how IOAM data f= ields are transported with MPLS data
   plane encapsulation using new Generic=  Associated Channel (G-ACh),
   including Segment Routing (SR) with&n= bsp;MPLS data plane (SR-MPLS).


The IETF datatracker status page for this&nbs= p;draft is:
https://datatracker.ietf.org/doc/draft-gandhi-mpls-ioam-sr/

There are also htmlized versions available at= :
https://tools.ietf.org/html/draft-gandhi-mpls-ioam-sr-05
https://datatracker.ietf.org/doc/html/draft-gandhi-mpls-ioam-sr-05

A diff from the previous version is avai= lable at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-gandhi-mpls-ioam-sr-05


Please note that it may take a couple&nb= sp;of minutes from the time of submission
until the htmlized version and diff are = available at tools.ietf.org.

Internet-Drafts are also available by anonymous&nb= sp;FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls

 

--_000_DM6PR11MB3115A6CBEB40A0E3CD85FA9BBFA70DM6PR11MB3115namp_-- From nobody Fri Jan 15 14:09:20 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D1E5E3A1243; Fri, 15 Jan 2021 14:09:17 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.087 X-Spam-Level: X-Spam-Status: No, score=-2.087 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_REMOTE_IMAGE=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id V3MmMgCcbEK4; Fri, 15 Jan 2021 14:09:16 -0800 (PST) Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0F81F3A1235; Fri, 15 Jan 2021 14:09:16 -0800 (PST) Received: by mail-pl1-x633.google.com with SMTP id u11so1114197plg.13; Fri, 15 Jan 2021 14:09:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=KvjhAKzloPQ1LAXz4N2+RFeqrxCyjVMoVwBmbm63jtY=; b=s7cCxdjDGBdD7+Vi3wscK8iDxVEhEF0sON32FmfKLBbF4T+o6O2mGild07OXd4Cjhd EoNkDYjAUanAZPbdR6LhcCe9VaY9ZvVuRyCijjIIcEvRJFiQrx95i/vLr9TCPfvbKse/ +OQ72BAcNQQVsrWfFNyG61SkGM3YUz5S4ETZsDsmMhcUWRlH5Vg5QCoqe2YvnNPpgd35 C72KcQrb/YhWNK7qy6PVygS3DPC2udpH+HIFCqZxpb3cN+QSYucjTNsT67BeD8HRnQFN ta/LQA72umlBJr+vsgU8Q2SZGtm7Bml1fzHxWOIo7rE2hDp9Fj52u/p7YxcaSHqApph8 1sww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=KvjhAKzloPQ1LAXz4N2+RFeqrxCyjVMoVwBmbm63jtY=; b=Mc5ov9umUPGZ+pRvYAhZREDUaCt3ikzEztKbE6cDy6F1yDpE+Uo3hnmQaPGDhfA34y K+Yah8FE/a+u0MQsarKjnTLiG3h0hDa0yix3a0KNaLufOP3AWj24fn4zDvt36+40f+XY PMyfki2g3BoETnStaWnAb+U1WW8lgrCGT5xocToJ/YmQyAvPkHZ6swOKoNZBFJLCVMWA 35I5wwDvQUFUhc93li+wgiQWmUCkxVxdtk9BH+9KnxMay/FgiCTIOTHTwytmp9w9DO6Q UwMle46GsiQWtqvAxUfuqRgmQFuvU5OQNuOL997sfFnBwKbNAqtiM57MH17dBcLH4WaF QLug== X-Gm-Message-State: AOAM530SohK1eItgOR/jxsgkBuZfdfeZEO/C64zrNMwyUy7qMi3DhZg8 D1c6UgCkpwAZpQ2zUPnpCezDggsjPC1j+CVW5HMEuD9Bd003bQ== X-Google-Smtp-Source: ABdhPJzzH2tXlAAppkfZRWl98N6amcxNOI20frQfBx0vr9vuw4fcXFW/CQ1CG0Tnqk/99qB2fmmdhIxjQ7oFe8l+xbM= X-Received: by 2002:a17:902:7086:b029:dc:8d:feab with SMTP id z6-20020a1709027086b02900dc008dfeabmr14787885plk.22.1610748555211; Fri, 15 Jan 2021 14:09:15 -0800 (PST) MIME-Version: 1.0 References: <159656185734.26680.16794021666355353855@ietfa.amsl.com> In-Reply-To: <159656185734.26680.16794021666355353855@ietfa.amsl.com> From: Gyan Mishra Date: Fri, 15 Jan 2021 17:09:04 -0500 Message-ID: To: mpls@ietf.org Cc: i-d-announce@ietf.org Content-Type: multipart/alternative; boundary="00000000000074b8f805b8f79f61" Archived-At: Subject: Re: [mpls] I-D Action: draft-ietf-mpls-bfd-directed-15.txt X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Jan 2021 22:09:18 -0000 --00000000000074b8f805b8f79f61 Content-Type: text/plain; charset="UTF-8" Dear authors I just reviewed the draft latest update on August 4th forwarded. I agree with the premise behind the draft and it makes sense providing the reverse path detection of the two unidirectional LSPs creating a Co-routed bidirectional channel for the LSP which does not exist in RFC 5884 BFD for MPLS LSP. As LSPs are unidirectional, this bi-directional physical link validation feature is I agree is important for operators binding the unidirectional LSPs into the Co-routed path for physical path continuity for fault isolation in cases of false positive failures on a unidirectional path. Also another problem with existing BFD LSP FEC bootstrap used for detection is a path maybe good in one direction but their maybe problems in the other direction on the same link possible physical such as 1 way fiber or other issue. So these physical continuity faults on a path is gap solved by this draft. I agree with the considerations section mentioned that during maintenance that if a link along forward path fails the reverse path can reroute taking an alternate path caveat breaking the co-routed bi directional channel. Please let me know if you have a call to review progressing this draft and I would be interested in attending the call. Kind Regards Gyan On Tue, Aug 4, 2020 at 1:24 PM wrote: > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > This draft is a work item of the Multiprotocol Label Switching WG of the > IETF. > > Title : Bidirectional Forwarding Detection (BFD) > Directed Return Path for MPLS Label Switched Paths (LSPs) > Authors : Greg Mirsky > Jeff Tantsura > Ilya Varlashkin > Mach(Guoyi) Chen > Filename : draft-ietf-mpls-bfd-directed-15.txt > Pages : 9 > Date : 2020-08-04 > > Abstract: > Bidirectional Forwarding Detection (BFD) is expected to be able to > monitor a wide variety of encapsulations of paths between systems. > When a BFD session monitors an explicitly routed unidirectional path > there may be a need to direct egress BFD peer to use a specific path > for the reverse direction of the BFD session. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-mpls-bfd-directed/ > > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-mpls-bfd-directed-15 > https://datatracker.ietf.org/doc/html/draft-ietf-mpls-bfd-directed-15 > > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-bfd-directed-15 > > > Please note that it may take a couple of minutes from the time of > submission > until the htmlized version and diff are available at tools.ietf.org. > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ > > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > -- *Gyan Mishra* *Network Solutions A**rchitect * *M 301 502-134713101 Columbia Pike *Silver Spring, MD --00000000000074b8f805b8f79f61 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Dear authors=C2=A0
=
I just reviewed the=C2=A0draft=C2=A0latest update on August 4th forwarded.=C2=A0 I=C2=A0agree with the premise behind the=C2=A0draft=C2=A0and it makes sen= se providing the reverse path detection of the two unidirectional LSPs crea= ting a Co-routed bidirectional channel for the LSP which does not exist in = RFC 5884 BFD for MPLS LSP.

As LSPs are unid= irectional, this bi-directional physical link validation feature is I agree= is important for operators binding the unidirectional LSPs into the Co-rou= ted path for physical path continuity for fault isolation in cases of false= positive failures on a unidirectional path.=C2=A0 Also another problem wit= h existing BFD LSP FEC bootstrap used for detection is a path maybe good in= one direction but their maybe problems in the other direction on the same = link possible physical such as 1 way fiber or other issue.=C2=A0 So these p= hysical continuity faults on a path is gap solved by this draft.

= I agree with the considerations section mentioned that during maintenance t= hat if a link along forward path fails the reverse path can reroute taking = an alternate path caveat breaking the co-routed bi directional channel. =C2= =A0

Please let me know if you have a call to revie= w progressing this draft and I would be interested in attending the call.


Kind Regards=C2=A0

Gyan


<= div class=3D"gmail_quote" dir=3D"auto">
On Tue, Aug 4, 2020 at 1:24 PM <internet-drafts@ietf.org> wrote:
A New Internet-Draft is available from the on-line Internet-Drafts director= ies.
This draft is a work item of the Multiprotocol Label Switching WG of the IE= TF.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:= Bidirectional Forwarding Detection (BFD) Directed Return Path for MPLS Lab= el Switched Paths (LSPs)
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Greg= Mirsky
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 Jeff=C2=A0 Tantsura
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 Ilya Varlashkin
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 Mach(Guoyi) Chen
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-iet= f-mpls-bfd-directed-15.txt
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:= 9
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 := 2020-08-04

Abstract:
=C2=A0 =C2=A0Bidirectional Forwarding Detection (BFD) is expected to be abl= e to
=C2=A0 =C2=A0monitor a wide variety of encapsulations of paths between syst= ems.
=C2=A0 =C2=A0When a BFD session monitors an explicitly routed unidirectiona= l path
=C2=A0 =C2=A0there may be a need to direct egress BFD peer to use a specifi= c path
=C2=A0 =C2=A0for the reverse direction of the BFD session.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft= -ietf-mpls-bfd-directed/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-mp= ls-bfd-directed-15
https://datatracker.ietf.org/do= c/html/draft-ietf-mpls-bfd-directed-15

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2= =3Ddraft-ietf-mpls-bfd-directed-15


Please note that it may take a couple of minutes from the time of submissio= n
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls
--
--00000000000074b8f805b8f79f61-- From nobody Fri Jan 15 19:01:08 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8FC0F3A146E for ; Fri, 15 Jan 2021 19:01:06 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.917 X-Spam-Level: X-Spam-Status: No, score=-1.917 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Z7K80imli4ID for ; Fri, 15 Jan 2021 19:01:03 -0800 (PST) Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.217.80.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client 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PC9wPjwvZGl2PjwvZGl2PjwvZGl2PjwvZGl2PjwvZGl2PjwvZGl2PjwvZGl2PjwvZGl2PjxwPjxi cj48L3A+PC9kaXY+ --=====_003_next=====-- --=====_002_next=====-- --=====_001_next=====-- From nobody Sat Jan 16 21:04:15 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1DEA73A1C79 for ; Sat, 16 Jan 2021 21:04:13 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.159 X-Spam-Level: X-Spam-Status: No, score=-2.159 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.262, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Xq13XUR-mRUn for ; Sat, 16 Jan 2021 21:04:10 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 407C23A1C7A for ; Sat, 16 Jan 2021 21:04:09 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 844C3328B7A; Sun, 17 Jan 2021 06:04:06 +0100 (CET) To: xiao.min2@zte.com.cn, mpls@ietf.org References: <202101120949094647407@zte.com.cn> From: Loa Andersson Message-ID: <13ba46a9-1aa9-0693-7f27-5026bf3a5da3@pi.nu> Date: Sun, 17 Jan 2021 13:04:03 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: <202101120949094647407@zte.com.cn> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [mpls] Comment on draft-gandhi-mpls-ioam-sr-05 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Jan 2021 05:04:13 -0000 Xiao, imline please. On 12/01/2021 09:49, xiao.min2@zte.com.cn wrote: > Hi authors, > > While looking through the updated -05 version of this draft, a question > emerged in my mind, with the separated Edge-to-Edge IOAM Indicator Label > and Hop-by-Hop IOAM Indicator Label, FWIW my take here is that the Edge-to-Edge IOAM only is processed on the edge nodes and that Hop-by-Hop IOAM is processed by all nodes on along the LSP, including the edge node. how can the network operator > achieve both the Edge-to-Edge IOAM and Hop-by-Hop IOAM simultaneously? If I understand this correctly that is what is done by Hop-by-Hop IOAM. > I think there are two ways to achieve that, one way is to define the > third IOAM Indicator Label which indicates the existence of both > Edge-to-Edge IOAM and Hop-by-Hop IOAM, I don't see that as necessary, isn't that what the Hop-by-Hop IOAM indicator does. another way is to merge the > current two IOAM Indicator Labels and let the IOAM Option-Type to tell > the difference between Edge-to-Edge IOAM and Hop-by-Hop IOAM. Does that mean that even if you are only Edge-to-Edge IOAM you need to inspect the IOAM Option-Type on every node for evey packet? My 2 c's, but I'm willing to be corrected. /Loa > > Best Regards, > Xiao Min > > 原始邮件 > *发件人:*internet-drafts@ietf.org > *收件人:*i-d-announce@ietf.org ; > *抄送人:*mpls@ietf.org; > *日 期 :*2021年01月09日 23:49 > *主 题 :**[mpls] I-D Action: draft-gandhi-mpls-ioam-sr-05.txt* > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the Multiprotocol Label Switching WG of the IETF. > >         Title           : MPLS Data Plane Encapsulation for In-situ OAM Dataloo >         Authors         : Rakesh Gandhi >                           Zafar Ali >                           Clarence Filsfils >                           Frank Brockners >                           Bin Wen >                           Voitek Kozak >     Filename        : draft-gandhi-mpls-ioam-sr-05.txt >     Pages           : 14 >     Date            : 2021-01-09 > > Abstract: >    In-situ Operations, Administration, and Maintenance (IOAM) records >    operational and telemetry information in the data packet while the >    packet traverses a path between two nodes in the network.  This >    document defines how IOAM data fields are transported with MPLS data >    plane encapsulation using new Generic Associated Channel (G-ACh), >    including Segment Routing (SR) with MPLS data plane (SR-MPLS). > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-gandhi-mpls-ioam-sr/ > > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-gandhi-mpls-ioam-sr-05 > https://datatracker.ietf.org/doc/html/draft-gandhi-mpls-ioam-sr-05 > > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=draft-gandhi-mpls-ioam-sr-05 > > > Please note that it may take a couple of minutes from the time of submission > until the htmlized version and diff are available at tools.ietf.org. > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ > > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > > > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Sun Jan 17 01:00:23 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A532B3A0CE3; Sun, 17 Jan 2021 01:00:21 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Robert Wilton via Datatracker To: "The IESG" Cc: draft-ietf-mpls-spl-terminology@ietf.org, mpls-chairs@ietf.org, mpls@ietf.org, Nicolai Leymann , n.leymann@telekom.de X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Robert Wilton Message-ID: <161087402127.19723.15158903770183725750@ietfa.amsl.com> Date: Sun, 17 Jan 2021 01:00:21 -0800 Archived-At: Subject: [mpls] Robert Wilton's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Jan 2021 09:00:22 -0000 Robert Wilton has entered the following ballot position for draft-ietf-mpls-spl-terminology-05: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-mpls-spl-terminology/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- Only a minor editorial comment: I was surprised to see "name space" used instead of "namespace". From nobody Sun Jan 17 02:46:30 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 622763A0EF2; Sun, 17 Jan 2021 02:46:25 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.916 X-Spam-Level: X-Spam-Status: No, score=-1.916 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, MAY_BE_FORGED=0.001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dMNPzqGojvP4; Sun, 17 Jan 2021 02:46:23 -0800 (PST) Received: from mta6.iomartmail.com (mta6.iomartmail.com [62.128.193.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1F9963A0EEB; Sun, 17 Jan 2021 02:46:21 -0800 (PST) Received: from vs1.iomartmail.com (vs1.iomartmail.com [10.12.10.121]) by mta6.iomartmail.com (8.14.4/8.14.4) with ESMTP id 10HAkF0F013841; Sun, 17 Jan 2021 10:46:15 GMT Received: from vs1.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 346B22203B; Sun, 17 Jan 2021 10:46:15 +0000 (GMT) Received: from asmtp2.iomartmail.com (unknown [10.12.10.249]) by vs1.iomartmail.com (Postfix) with ESMTPS id 1EBA12203A; Sun, 17 Jan 2021 10:46:15 +0000 (GMT) Received: from LAPTOPK7AS653V (167.185.51.84.dyn.plus.net [84.51.185.167] (may be forged)) (authenticated bits=0) by asmtp2.iomartmail.com (8.14.4/8.14.4) with ESMTP id 10HAkDcO005577 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 17 Jan 2021 10:46:14 GMT Reply-To: From: "Adrian Farrel" To: "'Robert Wilton'" , "'The IESG'" Cc: , , , "'Nicolai Leymann'" References: <161087402127.19723.15158903770183725750@ietfa.amsl.com> In-Reply-To: <161087402127.19723.15158903770183725750@ietfa.amsl.com> Date: Sun, 17 Jan 2021 10:46:12 -0000 Organization: Old Dog Consulting Message-ID: <011a01d6ecbd$fa06c4d0$ee144e70$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJzMX7dPicCN23hy53XZRqk7qhSxajzFzhw Content-Language: en-gb X-Originating-IP: 84.51.185.167 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-25916.007 X-TM-AS-Result: No--9.825-10.0-31-10 X-imss-scan-details: No--9.825-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-25916.007 X-TMASE-Result: 10--9.824600-10.000000 X-TMASE-MatchedRID: scwq2vQP8OHxIbpQ8BhdbIh/ebSxR/HnBTfNTtahp1qAHM7sYKM+P30N vE+7HpScuDTHQdFvYtw8IJjIWPVzqv3auk8JXkov04Rmz/agfdwdP8ekfJ2TEuCbuVI7hVbLkW2 ooQJksHfcKqNEH/k7rckRvuDaypE+3ETXQuqJpJqyBjDX4sGuTUjEWwwu715szFaj82CqF9mJvf ShQlCoH9kzVQ+l94phhxHjE30dAnu/WXZS/HqJ2sC4UUZr4lSF965lu4dW+MEXeuQCqIxleXnN0 DN7HnFmvUy3fsbnMVZ+c1DgdfyT6SaGiJdynx0pSBGxp0dALT5QcSniWn5CuJRMZUCEHkRt X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [mpls] Robert Wilton's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Jan 2021 10:46:26 -0000 Hi Robert, We like to surprise you. It keeps you fresh and on your toes. And it = provides a learning opportunity. "namespace" is a word coined in the computing industry where it seems to = be in regular use, but the mainstream dictionaries haven't caught up = fully. For example, https://dictionary.cambridge.org/ = https://www.collinsdictionary.com/ https://www.merriam-webster.com/ and = https://www.dictionary.com/ (Random House) don't have entries for = "namespace". Best, Adrian -----Original Message----- From: Robert Wilton via Datatracker =20 Sent: 17 January 2021 09:00 To: The IESG Cc: draft-ietf-mpls-spl-terminology@ietf.org; mpls-chairs@ietf.org; = mpls@ietf.org; Nicolai Leymann ; = n.leymann@telekom.de Subject: Robert Wilton's No Objection on = draft-ietf-mpls-spl-terminology-05: (with COMMENT) ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- Only a minor editorial comment: I was surprised to see "name space" used = instead of "namespace". 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xiao.min2@zte.com.cn Cc: mpls@ietf.org References: <202101181000168475475@zte.com.cn> From: Loa Andersson Message-ID: Date: Mon, 18 Jan 2021 16:01:14 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: <202101181000168475475@zte.com.cn> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [mpls] Comment on draft-gandhi-mpls-ioam-sr-05 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 08:01:24 -0000 Xiao, I have not been active in any OAM work, and not in the iOAM development, so I'm on a learning curve. So one more question. Inline please On 18/01/2021 10:00, xiao.min2@zte.com.cn wrote: > If I understand this correctly that is what is done by Hop-by-Hop IOAM. > Per IOAM itself, the Edge-to-Edge IOAM and Hop-by-Hop IOAM are > independent of each other, they use different IOAM Option-Type. Per MPLS > indicator label, I agree with you that Hop-by-Hop IOAM indicator label > can be reused here, but IMHO the current text in this draft is not clear > on it. Let us assume that a packet arrive to an egress node with (1) with an e-2-e iOAM indicator and another packet (2) arrive with the hop-by-hop indicator. Is there a difference t0 what the egress node do to (1) and what it does to (2)? /Loa -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Mon Jan 18 00:43:43 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B85853A0C99 for ; Mon, 18 Jan 2021 00:43:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.917 X-Spam-Level: X-Spam-Status: No, score=-1.917 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1-7pTLfjn_wv for ; Mon, 18 Jan 2021 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-0800 (PST) MIME-Version: 1.0 References: <13ba46a9-1aa9-0693-7f27-5026bf3a5da3@pi.nu> <202101181000168475475@zte.com.cn> In-Reply-To: <202101181000168475475@zte.com.cn> From: Rakesh Gandhi Date: Mon, 18 Jan 2021 09:11:58 -0500 Message-ID: To: xiao.min2@zte.com.cn Cc: Loa Andersson , mpls Content-Type: multipart/alternative; boundary="000000000000ba7de105b92d4e19" Archived-At: Subject: Re: [mpls] Comment on draft-gandhi-mpls-ioam-sr-05 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 14:12:14 -0000 --000000000000ba7de105b92d4e19 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Loa, Xiao, Thanks for your comments. The Edge-to-Edge IOAM is processed on the edge nodes and Hop-by-Hop IOAM is processed by all nodes along the LSP, including the edge nodes. We will update the text accordingly. Thanks, Rakesh On Sun, Jan 17, 2021 at 9:01 PM wrote: > Hi Loa, > > Thank you for your comments. > Please see inline my responses with . > > Best Regards, > Xiao Min > =E5=8E=9F=E5=A7=8B=E9=82=AE=E4=BB=B6 > *=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A*LoaAndersson > *=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A*=E8=82=96=E6=95=8F10093570;mpls@iet= f.org; > *=E6=97=A5 =E6=9C=9F =EF=BC=9A*2021=E5=B9=B401=E6=9C=8817=E6=97=A5 13:04 > *=E4=B8=BB =E9=A2=98 =EF=BC=9A**Re: [mpls] Comment on draft-gandhi-mpls-i= oam-sr-05* > Xiao, > > imline please. > > > On 12/01/2021 09:49, xiao.min2@zte.com.cn wrote: > > Hi authors, > > > > While looking through the updated -05 version of this draft, a question > > emerged in my mind, with the separated Edge-to-Edge IOAM Indicator Labe= l > > > and Hop-by-Hop IOAM Indicator Label, > > FWIW my take here is that the Edge-to-Edge IOAM only is processed on the > edge nodes and that Hop-by-Hop IOAM is processed by all nodes on along > > the LSP, including the edge node. > I absolutely agree. > > how can the network operator > > achieve both the Edge-to-Edge IOAM and Hop-by-Hop IOAM simultaneously? > > If I understand this correctly that is what is done by Hop-by-Hop IOAM. > Per IOAM itself, the Edge-to-Edge IOAM and Hop-by-Hop IOAM are > independent of each other, they use different IOAM Option-Type. Per MPLS > indicator label, I agree with you that Hop-by-Hop IOAM indicator label ca= n > be reused here, but IMHO the current text in this draft is not clear on i= t. > > > I think there are two ways to achieve that, one way is to define the > > third IOAM Indicator Label which indicates the existence of both > > Edge-to-Edge IOAM and Hop-by-Hop IOAM, > > I don't see that as necessary, isn't that what the Hop-by-Hop IOAM > > indicator does. > See above. > > another way is to merge the > > current two IOAM Indicator Labels and let the IOAM Option-Type to tell > > the difference between Edge-to-Edge IOAM and Hop-by-Hop IOAM. > > Does that mean that even if you are only Edge-to-Edge IOAM you need to > > inspect the IOAM Option-Type on every node for evey packet? > Yes, correct. Actually you provide the third way to reuse the Hop-by= -Hop > IOAM indicator label, for the network operator to achieve both the Edge-t= o-Edge IOAM and Hop-by-Hop IOAM simultaneously. > Acc to the reply from the author, the third way you provide is preferred = by > the authors, then I suggest to document this way explicitly, in my view > this way is not reflected in the current text clearly. > > My 2 c's, but I'm willing to be corrected. > > /Loa > > > > Best Regards, > > Xiao Min > > > > =E5=8E=9F=E5=A7=8B=E9=82=AE=E4=BB=B6 > > *=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A*internet-drafts@ietf.org > > *=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A*i-d-announce@ietf.org ; > > *=E6=8A=84=E9=80=81=E4=BA=BA=EF=BC=9A*mpls@ietf.org; > > *=E6=97=A5 =E6=9C=9F =EF=BC=9A*2021=E5=B9=B401=E6=9C=8809=E6=97=A5 23:4= 9 > > *=E4=B8=BB =E9=A2=98 =EF=BC=9A**[mpls] I-D Action: draft-gandhi-mpls-io= am-sr-05.txt* > > > > > A New Internet-Draft is available from the on-line Internet-Drafts dire= ctories. > > > This draft is a work item of the Multiprotocol Label Switching WG of th= e IETF. > > > > > Title : MPLS Data Plane Encapsulation for In-situ OA= M Dataloo > > Authors : Rakesh Gandhi > > Zafar Ali > > Clarence Filsfils > > Frank Brockners > > Bin Wen > > Voitek Kozak > > Filename : draft-gandhi-mpls-ioam-sr-05.txt > > Pages : 14 > > Date : 2021-01-09 > > > > Abstract: > > In-situ Operations, Administration, and Maintenance (IOAM) records > > operational and telemetry information in the data packet while the > > packet traverses a path between two nodes in the network. This > > document defines how IOAM data fields are transported with MPLS dat= a > > plane encapsulation using new Generic Associated Channel (G-ACh), > > including Segment Routing (SR) with MPLS data plane (SR-MPLS). > > > > > > The IETF datatracker status page for this draft is: > > https://datatracker.ietf.org/doc/draft-gandhi-mpls-ioam-sr/ > > > > There are also htmlized versions available at: > > https://tools.ietf.org/html/draft-gandhi-mpls-ioam-sr-05 > > https://datatracker.ietf.org/doc/html/draft-gandhi-mpls-ioam-sr-05 > > > > A diff from the previous version is available at: > > https://www.ietf.org/rfcdiff?url2=3Ddraft-gandhi-mpls-ioam-sr-05 > > > > > > > Please note that it may take a couple of minutes from the time of submi= ssion > > until the htmlized version and diff are available at tools.ietf.org. > > > > Internet-Drafts are also available by anonymous FTP at: > > ftp://ftp.ietf.org/internet-drafts/ > > > > > > _______________________________________________ > > mpls mailing list > > mpls@ietf.org > > https://www.ietf.org/mailman/listinfo/mpls > > > > > > > > _______________________________________________ > > mpls mailing list > > mpls@ietf.org > > https://www.ietf.org/mailman/listinfo/mpls > > > > -- > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 > > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > --000000000000ba7de105b92d4e19 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: base64 PGRpdiBkaXI9Imx0ciI+PGRpdj5IaSBMb2EsIFhpYW8sPC9kaXY+PGRpdj48YnI+PC9kaXY+PGRp dj5UaGFua3MgZm9yIHlvdXIgY29tbWVudHMuPGJyPjwvZGl2PjxkaXY+PGJyPjwvZGl2PjxkaXY+ VGhlwqBFZGdlLXRvLUVkZ2XCoElPQU0gaXPCoHByb2Nlc3NlZMKgb27CoHRoZSBlZGdlwqBub2Rl c8KgYW5kIEhvcC1ieS1Ib3DCoElPQU3CoGlzwqBwcm9jZXNzZWTCoGJ5wqBhbGzCoG5vZGVzIGFs b25nIHRoZcKgTFNQLMKgaW5jbHVkaW5nwqB0aGXCoGVkZ2XCoG5vZGVzLjxwPldlIHdpbGwgdXBk 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<202101181643101723091@zte.com.cn> From: Rakesh Gandhi Date: Mon, 18 Jan 2021 09:15:01 -0500 Message-ID: To: xiao.min2@zte.com.cn Cc: Loa Andersson , mpls Content-Type: multipart/alternative; boundary="000000000000a8d31405b92d59b4" Archived-At: Subject: Re: [mpls] Comment on draft-gandhi-mpls-ioam-sr-05 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 14:15:16 -0000 --000000000000a8d31405b92d59b4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Loa, Xiao, Please see reply inline with .. On Mon, Jan 18, 2021 at 3:44 AM wrote: > Hi Loa, > > Please see inline my responses with . > > Best Regards, > Xiao Min > =E5=8E=9F=E5=A7=8B=E9=82=AE=E4=BB=B6 > *=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A*LoaAndersson > *=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A*=E8=82=96=E6=95=8F10093570; > *=E6=8A=84=E9=80=81=E4=BA=BA=EF=BC=9A*mpls@ietf.org; > *=E6=97=A5 =E6=9C=9F =EF=BC=9A*2021=E5=B9=B401=E6=9C=8818=E6=97=A5 16:01 > *=E4=B8=BB =E9=A2=98 =EF=BC=9A**Re: [mpls] Comment on draft-gandhi-mpls-i= oam-sr-05* > Xiao, > > I have not been active in any OAM work, and not in the iOAM development, > > so I'm on a learning curve. So one more question. > It's my pleasure if I can help here. > > Inline please > > > On 18/01/2021 10:00, xiao.min2@zte.com.cn wrote: > > If I understand this correctly that is what is done by Hop-by-Hop IOAM. > > Per IOAM itself, the Edge-to-Edge IOAM and Hop-by-Hop IOAM are > > independent of each other, they use different IOAM Option-Type. Per MPL= S > > > indicator label, I agree with you that Hop-by-Hop IOAM indicator label > > can be reused here, but IMHO the current text in this draft is not clea= r > > > on it. > > Let us assume that a packet arrive to an egress node with (1) with an > e-2-e iOAM indicator and another packet (2) arrive with the hop-by-hop > indicator. > > Is there a difference t0 what the egress node do to (1) and what it does > > to (2)? > As I understand it, there is no difference. Here the only function o= f > iOAM indicator is for the egress node to know there exists IOAM header > below the MPLS label stack, and how to process the IOAM data fields withi= n > the IOAM header depends on IOAM Option-Type. > Yes, this is my understanding as well. Thanks, Rakesh > > > /Loa > > -- > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert loa.pi.nu@gmail.com > Bronze Dragon Consulting phone: +46 739 81 21 64 > > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > --000000000000a8d31405b92d59b4 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Loa, Xiao,

Please see reply inline with <RG>..

=
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Hi Loa,
Please see inline my responses with <XM>.

Best Regards,
X= iao Min

=E5=8E=9F=E5=A7=8B= =E9=82=AE=E4=BB=B6
=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9ALoaAndersson=
=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A=E8=82=96=E6=95=8F10093570;
=E6= =8A=84=E9=80=81=E4=BA=BA=EF=BC=9Ampls@ietf.org;
=E6=97=A5 =E6=9C=9F =EF=BC=9A2021=E5=B9=B40= 1=E6=9C=8818=E6=97=A5 16:01
=E4=B8=BB =E9=A2=98 =EF=BC= =9ARe: [mpls] Comment on draft-gandhi-mpls-ioam-sr-05
Xiao,

I=C2=A0have=C2=A0not=C2=A0= been=C2=A0active=C2=A0in=C2=A0any=C2=A0OAM=C2=A0work,=C2=A0and=C2=A0not=C2= =A0in=C2=A0the=C2=A0iOAM=C2=A0development,=C2=A0

so=C2=A0I'm=C2= =A0on=C2=A0a=C2=A0learning=C2=A0curve.=C2=A0So=C2=A0one=C2=A0more=C2=A0ques= tion.
<XM> It's my pleasure if I can help here.


Inline= =C2=A0please


On=C2=A018/01/2021=C2=A010:00,=C2=A0xiao.min2@zte.com.cn=C2=A0= wrote:
>=C2=A0If=C2=A0I=C2=A0understand=C2=A0this=C2=A0correctly=C2= =A0that=C2=A0is=C2=A0what=C2=A0is=C2=A0done=C2=A0by=C2=A0Hop-by-Hop=C2=A0IO= AM.
>=C2=A0<XM>=C2=A0Per=C2=A0IOAM=C2=A0itself,=C2=A0the=C2=A0E= dge-to-Edge=C2=A0IOAM=C2=A0and=C2=A0Hop-by-Hop=C2=A0IOAM=C2=A0are=C2=A0 >=C2=A0independent=C2=A0of=C2=A0each=C2=A0other,=C2=A0they=C2=A0use=C2= =A0different=C2=A0IOAM=C2=A0Option-Type.=C2=A0Per=C2=A0MPLS=C2=A0
>= =C2=A0indicator=C2=A0label,=C2=A0I=C2=A0agree=C2=A0with=C2=A0you=C2=A0that= =C2=A0Hop-by-Hop=C2=A0IOAM=C2=A0indicator=C2=A0label=C2=A0
>=C2=A0ca= n=C2=A0be=C2=A0reused=C2=A0here,=C2=A0but=C2=A0IMHO=C2=A0the=C2=A0current= =C2=A0text=C2=A0in=C2=A0this=C2=A0draft=C2=A0is=C2=A0not=C2=A0clear=C2=A0 <= br>>=C2=A0on=C2=A0it.

Let=C2=A0us=C2=A0assume=C2=A0that=C2=A0a= =C2=A0packet=C2=A0arrive=C2=A0to=C2=A0an=C2=A0egress=C2=A0node=C2=A0with=C2= =A0(1)=C2=A0with=C2=A0an
e-2-e=C2=A0iOAM=C2=A0indicator=C2=A0and=C2=A0an= other=C2=A0packet=C2=A0(2)=C2=A0arrive=C2=A0with=C2=A0the=C2=A0hop-by-hop= =C2=A0
indicator.

Is=C2=A0there=C2=A0a=C2=A0difference=C2=A0t0= =C2=A0what=C2=A0the=C2=A0egress=C2=A0node=C2=A0do=C2=A0to=C2=A0(1)=C2=A0and= =C2=A0what=C2=A0it=C2=A0does=C2=A0

to=C2=A0(2)?
<XM> As I u= nderstand it, there is no difference. Here the only function of iOAM indica= tor is for the egress node to know there exists IOAM header below the MPLS = label stack, and how to process the IOAM data fields within the IOAM header= depends on IOAM Option-Type.

=

<RG> Yes, this is my understanding a= s well.

Thanks,
Rakesh
=C2=A0
<= div>


/Loa

--=C2=A0
=
Loa=C2=A0Andersson=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0email:=C2=A0loa@pi.nu
Senior=C2=A0MPLS=C2=A0Expert=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0loa.pi.nu@gmail.com
Bronze=C2=A0= Dragon=C2=A0Consulting=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0phone:=C2=A0+46=C2=A0739=C2=A081=C2=A021=C2=A064=


--000000000000a8d31405b92d59b4-- From nobody Mon Jan 18 07:29:29 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0F5073A03F8; Mon, 18 Jan 2021 07:29:24 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.096 X-Spam-Level: X-Spam-Status: No, score=-2.096 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_FONT_FACE_BAD=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wkIDjPFYeYXl; Mon, 18 Jan 2021 07:29:22 -0800 (PST) Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E22303A03F2; Mon, 18 Jan 2021 07:29:21 -0800 (PST) Received: by mail-wr1-x432.google.com with SMTP id a9so13396048wrt.5; Mon, 18 Jan 2021 07:29:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=HANKP/0mLkFTx74wW2zJVSkh7f8jWwIYtEhebdPmfOk=; b=IagvCWafpf2ZwE/7pqLJGFllkOwN1bYADcmKNYueVKtWWB182Ria061xhanEO7m7Ip JeSO7wntqhl+H0aP2kSr5F+n/QuG3lqeCdAy7PS1JX5Cn9DQb0IXiB1MNEiO3EmoFC2t F4L5ijPQJNNbYaIxNJGvX2jaBXhc5eNpNkCPGyYB9t+KlatUgD0351T2IsB9RUCTecMh cyb1qwvoFQjqypiMfmzaWCvCpujVNi2zCWIw8A0e9rf/5I0FiMQJZey7ylJ6KdAtG1rY IxuxiEWaNjn+tLGFJLUUiUKP+XqeQJ+bhs2QT5XxUmyCekAVUsGdgJGL6UWuio4EkSBp idyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=HANKP/0mLkFTx74wW2zJVSkh7f8jWwIYtEhebdPmfOk=; b=ucLvk+vY3SVmDK+Z4S4CXy73xIcFKhAjJhBn/d0d0/MjZLz8ajEreNKIeXyhP/OBRe IL3OtJkOQVV0sRv82oabkG559zHsR+SsHxW1IieLD/NGjWQiU6AIk6UqC1O1EibSWxds pUnRb0lMdKBMF+LQSjfSqOKxzjQSUZvzbo8wab1hJbF56iSVwNU8kfmA4C0Ju+UT1xU3 pK7E8qMSotCDdeZd5sJBlPRXJ1Qz79AoiC4Z+/urX5bfDY4/t7p5X91WEuGqRpKJPgVj dYY+9WvbXppKdrq0fW6l2++3RD0Nz8F4uxIoAp2FAV+C/K8Fa8QF+Ufa2jA3YXKlBroG 8bww== X-Gm-Message-State: AOAM533fgXC9qqqy7QkTzShdGwBw0KWK+1zGd6W1mHGCkeaEtEDEYP14 S1aqVmYfZ6lUQoJyvZEDfdA= X-Google-Smtp-Source: ABdhPJwoj2n/tLaeNO0YRJf4BmtOILbg3wTXMNfIP/+5lMt33N0JEChh9hiBEoLXDjmRpztfAkPbZA== X-Received: by 2002:adf:ee10:: with SMTP id y16mr30051wrn.296.1610983760279; Mon, 18 Jan 2021 07:29:20 -0800 (PST) Received: from broadband.bt.com ([2a00:23c5:3395:c901:e820:e4ca:2b49:5533]) by smtp.gmail.com with ESMTPSA id y63sm28741674wmd.21.2021.01.18.07.29.18 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Jan 2021 07:29:19 -0800 (PST) From: Stewart Bryant Message-Id: <0C174926-9285-44FF-B175-D83CDB673E5D@gmail.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_E5A8EE26-1DC3-43D1-AC37-D9EDEB95B685" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Date: Mon, 18 Jan 2021 15:29:17 +0000 In-Reply-To: <011a01d6ecbd$fa06c4d0$ee144e70$@olddog.co.uk> Cc: Stewart Bryant , Robert Wilton , The IESG , mpls@ietf.org, draft-ietf-mpls-spl-terminology@ietf.org, mpls-chairs@ietf.org To: adrian@olddog.co.uk References: <161087402127.19723.15158903770183725750@ietfa.amsl.com> <011a01d6ecbd$fa06c4d0$ee144e70$@olddog.co.uk> X-Mailer: Apple Mail (2.3608.120.23.2.4) Archived-At: Subject: Re: [mpls] Robert Wilton's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 15:29:24 -0000 --Apple-Mail=_E5A8EE26-1DC3-43D1-AC37-D9EDEB95B685 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii I use the OED as my definitive source of reference for the English = language and it shows first use in 1975 1975 B. C. Goldstein & T. W. Scrutchin in Proc. 2nd Ann. Symposium = on Computer Archit. <> (Assoc. Computing Machinery) 215/1 A local = namespace is associated with each i-stream. Through the name space, the = i-stream has access to other namespaces. Interesting in that they cannot make up their minds so it looks like it = might have been invented as a typo. The 1981 entry looks more definitive 1981 R. C. Murray Namespaces in APL Quote Quad: APL Conf. Proc. <> = 12 221/2 Newly created Namespaces allow direct modification in either = direction to facilitate the definition and construction of appropriate = environments on each side of the Namespace boundary. - Stewart > On 17 Jan 2021, at 10:46, Adrian Farrel wrote: >=20 > Hi Robert, >=20 > We like to surprise you. It keeps you fresh and on your toes. And it = provides a learning opportunity. >=20 > "namespace" is a word coined in the computing industry where it seems = to be in regular use, but the mainstream dictionaries haven't caught up = fully. >=20 > For example, https://dictionary.cambridge.org/ = https://www.collinsdictionary.com/ https://www.merriam-webster.com/ and = https://www.dictionary.com/ (Random House) don't have entries for = "namespace". >=20 > Best, > Adrian >=20 > -----Original Message----- > From: Robert Wilton via Datatracker =20 > Sent: 17 January 2021 09:00 > To: The IESG > Cc: draft-ietf-mpls-spl-terminology@ietf.org; mpls-chairs@ietf.org; = mpls@ietf.org; Nicolai Leymann ; = n.leymann@telekom.de > Subject: Robert Wilton's No Objection on = draft-ietf-mpls-spl-terminology-05: (with COMMENT) >=20 > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- >=20 > Only a minor editorial comment: I was surprised to see "name space" = used instead of "namespace". >=20 >=20 >=20 > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls --Apple-Mail=_E5A8EE26-1DC3-43D1-AC37-D9EDEB95B685 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii I use the OED as my definitive = source of reference for the English language and it shows first use in = 1975

1975    B. C. = Goldstein & T. W. = Scrutchin in  Proc. 2nd Ann. Symposium on = Computer Archit. (Assoc. Computing Machinery) = 215/1   A local namespace is associated = with each i-stream. Through the name space, the i-stream has access to = other namespaces.

Interesting in that they cannot = make up their minds so it looks like it might have been invented as a = typo.

The 1981 entry looks more definitive

1981    R. C. Murray Namespaces in  APL Quote Quad: APL Conf. = Proc. 12 221/2   Newly = created Namespaces allow direct = modification in either direction to facilitate the definition and = construction of appropriate environments on each side of the Namespace = boundary.

- = Stewart

On 17 Jan 2021, at 10:46, Adrian Farrel = <adrian@olddog.co.uk> wrote:

Hi = Robert,

We like to surprise you. It keeps = you fresh and on your toes. And it provides a learning opportunity.

"namespace" is a word coined in the computing = industry where it seems to be in regular use, but the mainstream = dictionaries haven't caught up fully.

For = example, https://dictionary.cambridge.org/ https://www.collinsdictionary.com/ https://www.merriam-webster.com/ and https://www.dictionary.com/ (Random House) don't have = entries for "namespace".

Best,
Adrian

-----Original = Message-----
From: Robert Wilton via Datatracker <noreply@ietf.org>
Sent: 17 January 2021 09:00
To: The IESG <iesg@ietf.org>
Cc: draft-ietf-mpls-spl-terminology@ietf.org; mpls-chairs@ietf.org; = mpls@ietf.org; Nicolai = Leymann <n.leymann@telekom.de>; n.leymann@telekom.de
Subject: Robert = Wilton's No Objection on draft-ietf-mpls-spl-terminology-05: (with = COMMENT)

---------------------------------------------------------------= -------
COMMENT:
---------------------------------------------------------------= -------

Only a minor editorial comment: I = was surprised to see "name space" used instead of "namespace".



_______________________________________________
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mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls

= --Apple-Mail=_E5A8EE26-1DC3-43D1-AC37-D9EDEB95B685-- From nobody Mon Jan 18 07:39:00 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E60303A0839; Mon, 18 Jan 2021 07:38:57 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 00AmJ-gCHZbq; Mon, 18 Jan 2021 07:38:56 -0800 (PST) Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 890773A0812; Mon, 18 Jan 2021 07:38:56 -0800 (PST) Received: by mail-wr1-x435.google.com with SMTP id v15so13232347wrx.4; Mon, 18 Jan 2021 07:38:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=9czXUsYc3mDfx3SKIZTmGMfC327a+kCIxMHIYXe0RF0=; b=l053GHEUxH4p6jOJ39CtmWUVgJtcm6YITZ+rYUvuyxpwjHc+3ZW2Zq054stWhHWL9F ESRkcrOtIdcoTA0+oW2ywgodgc2KO9JIbstSvzP14yuR7F7aTGBKgAE+C6FwwekKluxY wxBQiK7C8RLcCtvoGjFxzs3LaZzjTg9x0AuvkQ8W9VuiEpGHUNC/gOKFfnqnD28IsCO8 +TerYyuVNbTNTdFa7myThZDkihQIlHIXSM+ezXSwO2JdimHbVhqNbgiZTgyD0oD0FJB0 D+1LsCSYPkcoDIw0LgOVQF0Ucvo8MFColVA9WgGj/ffmYh4GmrB6cK6OZZPEO551RUUe OAtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=9czXUsYc3mDfx3SKIZTmGMfC327a+kCIxMHIYXe0RF0=; b=I6TVEp9TgTJiUXV+sENgFeeTyUYs2WTwPfzpDd6YfPV+UfjXcSJB6fero1nFKUWWWh J1ujDZP7sTuFfWGwciEzol3dFuUmCbMsU1y+J3SclXzN/R/ypoMKLsCrdJXQnew8wtZc orEJgb3Fu4cR73Vi2AunFVv2NiwjBM4GaomHzHKsMqEZMHwsEx4bQ0mfsDKf4ll+Sr8G Qpn17izaX638uJIRZzKPyrGE0QVFAP7mGfAENTs+ecNl9U4cFPBH7fRCrfsXGlIXwvip rQ2scUj5vOJn528A7my5P2u3v5ZPIDpJoVxvPKPIk3l8UGKHz49Fzx1Gkt5mcsJ/Sj01 RwzA== X-Gm-Message-State: AOAM532mFMhm6MsnBNmJ+gAus+BK0kbjhR/BSFYWFQuLlZDDDFYTXgnO 4nrBUyuZL5v1qYsyg0sjuMVDnbfSFGK4fA== X-Google-Smtp-Source: ABdhPJzYcGQf4NZF8ib4Jpe2yaGDfwOvAtdINZuF5crpLRW1Yywg0ilmO6g5aT+fDDonybwxcefksg== X-Received: by 2002:a5d:6884:: with SMTP id h4mr86929wru.174.1610984334988; Mon, 18 Jan 2021 07:38:54 -0800 (PST) Received: from broadband.bt.com ([2a00:23c5:3395:c901:e820:e4ca:2b49:5533]) by smtp.gmail.com with ESMTPSA id g132sm13669390wmg.2.2021.01.18.07.38.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Jan 2021 07:38:54 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) From: Stewart Bryant In-Reply-To: Date: Mon, 18 Jan 2021 15:38:53 +0000 Cc: Stewart Bryant , Eric Gray , loa Andersson , Greg Mirsky , mpls , "Rakesh Gandhi (rgandhi)" , mpls-chairs , "draft-gandhi-mpls-ioam-sr@ietf.org" Content-Transfer-Encoding: quoted-printable Message-Id: <1111CEC7-B11D-4A22-AFEA-DB9F90FA0B82@gmail.com> References: <31E0C5A4-1EA3-486F-8BC4-E4E9AA107D95@gmail.com> To: Mach Chen X-Mailer: Apple Mail (2.3608.120.23.2.4) Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 15:38:58 -0000 Hi Mach It is as much a question for the WG given that this is up for adoption. In all other aspects MPLS-SR inherits everything from MPLS so why would = it not do so here? Also given that we want iOAM for SR why would we not want it for MPLS = and associated technologies such as PW and VPN as well? So my view is not to make a special case for SR and then have the = complexity of introducing it to base MPLS, but instead solve this for = MPLS and use it everywhere. Is there something special about the SR case that I am missing here? - Stewart > On 12 Jan 2021, at 03:18, Mach Chen wrote: >=20 > Hi Stewart, >=20 > I guess your questions are for the authors of the draft, I will let = the authors to answer the questions :-) >=20 > Best regards, > Mach >=20 >> -----Original Message----- >> From: Stewart Bryant [mailto:stewart.bryant@gmail.com] >> Sent: Tuesday, January 12, 2021 3:29 AM >> To: Mach Chen >> Cc: Eric Gray ; Loa Andersson ; = Greg >> Mirsky ; mpls ; Rakesh Gandhi >> (rgandhi) ; mpls-chairs >> ; draft-gandhi-mpls-ioam-sr@ietf.org >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >>=20 >> I have a slightly more fundamental question. >>=20 >> Why are we specifying this for sr? >>=20 >> Surely we should specify it for MPLS and have SR inherit that? >>=20 >> Also what happens if the MPLS payload is a PW or Detnet or something = else >> defined to be immediately below the bottom label? >>=20 >> Stewart From nobody Mon Jan 18 08:47:13 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 037593A0A1B; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: juniper.net X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM5PR05MB3388.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d421b7ff-2920-4eca-ce15-08d8bbd0abb9 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Jan 2021 16:46:58.0245 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: BMXx7M8ty7sJrhHIofk15aBzV11kUMZtUHEiIfCdHlv4zXO98YRA5v3esGv+6a1Un1zSqvtq8ZHDeeQq/l9rrQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR05MB6570 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-18_13:2021-01-18, 2021-01-18 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam score=0 spamscore=0 bulkscore=0 adultscore=0 mlxscore=0 suspectscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 clxscore=1011 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101180100 Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 16:47:11 -0000 I agree with Stewart. Yours Irrespectively, John Juniper Business Use Only > -----Original Message----- > From: mpls On Behalf Of Stewart Bryant > Sent: Monday, January 18, 2021 10:39 AM > To: Mach Chen > Cc: mpls ; mpls-chairs ; draft-gandh= i- > mpls-ioam-sr@ietf.org; Rakesh Gandhi (rgandhi) > > Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >=20 > [External Email. Be cautious of content] >=20 >=20 > Hi Mach >=20 > It is as much a question for the WG given that this is up for adoption. >=20 > In all other aspects MPLS-SR inherits everything from MPLS so why would i= t not > do so here? >=20 > Also given that we want iOAM for SR why would we not want it for MPLS and > associated technologies such as PW and VPN as well? >=20 > So my view is not to make a special case for SR and then have the complex= ity of > introducing it to base MPLS, but instead solve this for MPLS and use it > everywhere. >=20 > Is there something special about the SR case that I am missing here? >=20 > - Stewart >=20 >=20 >=20 > > On 12 Jan 2021, at 03:18, Mach Chen wrote: > > > > Hi Stewart, > > > > I guess your questions are for the authors of the draft, I will let > > the authors to answer the questions :-) > > > > Best regards, > > Mach > > > >> -----Original Message----- > >> From: Stewart Bryant [mailto:stewart.bryant@gmail.com] > >> Sent: Tuesday, January 12, 2021 3:29 AM > >> To: Mach Chen > >> Cc: Eric Gray ; Loa Andersson ; > >> Greg Mirsky ; mpls ; Rakesh > >> Gandhi > >> (rgandhi) ; mpls-chairs > >> ; draft-gandhi-mpls-ioam-sr@ietf.org > >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > >> > >> I have a slightly more fundamental question. > >> > >> Why are we specifying this for sr? > >> > >> Surely we should specify it for MPLS and have SR inherit that? > >> > >> Also what happens if the MPLS payload is a PW or Detnet or something > >> else defined to be immediately below the bottom label? > >> > >> Stewart >=20 > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://urldefense.com/v3/__https://www.ietf.org/mailman/listinfo/mpls__;= !! > NEt6yMaO-gk!SuMXa-Es- > oW3RUCmQB2RzdQQenskdsvnP0fvhz9Aw0vFdmyWXBNS9CIxztAHExY$ From nobody Mon Jan 18 09:36:11 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AB71A3A0B2F; Mon, 18 Jan 2021 09:36:09 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id igEDES4fAMWY; Mon, 18 Jan 2021 09:36:08 -0800 (PST) Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 606CC3A0B36; Mon, 18 Jan 2021 09:36:08 -0800 (PST) Received: by mail-pj1-x102e.google.com with SMTP id cq1so9974319pjb.4; Mon, 18 Jan 2021 09:36:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=clOIibpP9p6tXv80GekFf1b4BP8gudw+XXuEcY8zsjg=; b=Vgao9PmZX9DPPny3DREdxQCK4RWdnvoxCBGgt/4okrxsq6SoeuMADI9b/s4T99A+BI goponcBvNW5tIZwouj5G3Dg/1dpdBvQo6Fxq89biCtzppHAZxsZgAVBUBr0CtQ097pz3 NOu5xbfWMtNRkVCBKu8BCSNcc0yP4D3mu5ryYbjokB/VuP1bsfF5Dx7wS+Ty+zBCc9tQ 2zZBg2CFyteJOjFFSTT2EUq8wSto8HOiS6hty1Zdatvqoy4Hwu4GcxP2YhbF3OaFrPKG 3lNtMAsN6ahPf+35oG0PSnXWd8k98ZQYfVxL7JQ132LoK3ULMiwBzRHASKL7AYgJnxly 5C+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=clOIibpP9p6tXv80GekFf1b4BP8gudw+XXuEcY8zsjg=; b=pGe4KkjVv3/11mSbYUEVsTLgd9+SUSxwFlSsMmu3RvHOI5pjI4mMGBr4nZgJB+1gax YNq7uXP0QJjrB9k679IXdAhSYsciEyZIuCwKhMzXdY7j7B1lvDROksM/ZAa3vdbVy6uc tnWNXFY2d2oyWdEu4do3Bhm+3hgXnwWSJpadLYmn+LA44Rs72GxDZSlir8dyNlK0/dI/ B6VGO0jYVpNneKyfMRCMqPXbOw13fRn/Fn+2j3IiQt5ATkhTZufy/pvt9eBOzXTw74AN KcvPHT0J9Kupuh5hPiS5gaMnmLEnKINcA7tQQfMRkbaSTPFPgjG9xFf04PB20VfFTli1 KCcw== X-Gm-Message-State: AOAM531XdIdx06td1vJ3VszX0i8ybSk0CvvDwRgkq1+rMn6RhVKxQQD3 GDhGFYXJa285dZmHKEMUGwk= X-Google-Smtp-Source: ABdhPJx9MV9Vv2r7veDCI4YXLCE9pWPhUBVyI/zrinHB2z5+BKrbjz3QqCiAg4AhrF6pjTs6k+5xWg== X-Received: by 2002:a17:902:a586:b029:de:45c0:69fe with SMTP id az6-20020a170902a586b02900de45c069femr390748plb.57.1610991367896; Mon, 18 Jan 2021 09:36:07 -0800 (PST) Received: from [192.168.1.15] (c-73-63-232-212.hsd1.ca.comcast.net. [73.63.232.212]) by smtp.gmail.com with ESMTPSA id r20sm16599090pgb.3.2021.01.18.09.36.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Jan 2021 09:36:06 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Jeff Tantsura Mime-Version: 1.0 (1.0) Date: Mon, 18 Jan 2021 09:36:05 -0800 Message-Id: <56328F3B-2407-48B5-B941-C81952BA2054@gmail.com> References: Cc: Stewart Bryant , Mach Chen , mpls , "Rakesh Gandhi (rgandhi)" , mpls-chairs , draft-gandhi-mpls-ioam-sr@ietf.org In-Reply-To: To: John E Drake X-Mailer: iPhone Mail (18C66) Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 17:36:10 -0000 +1 Regards, Jeff > On Jan 18, 2021, at 08:47, John E Drake wrote: >=20 > =EF=BB=BFI agree with Stewart. >=20 > Yours Irrespectively, >=20 > John >=20 >=20 > Juniper Business Use Only >=20 >> -----Original Message----- >> From: mpls On Behalf Of Stewart Bryant >> Sent: Monday, January 18, 2021 10:39 AM >> To: Mach Chen >> Cc: mpls ; mpls-chairs ; draft-gandh= i- >> mpls-ioam-sr@ietf.org; Rakesh Gandhi (rgandhi) >> >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >>=20 >> [External Email. Be cautious of content] >>=20 >>=20 >> Hi Mach >>=20 >> It is as much a question for the WG given that this is up for adoption. >>=20 >> In all other aspects MPLS-SR inherits everything from MPLS so why would i= t not >> do so here? >>=20 >> Also given that we want iOAM for SR why would we not want it for MPLS and= >> associated technologies such as PW and VPN as well? >>=20 >> So my view is not to make a special case for SR and then have the complex= ity of >> introducing it to base MPLS, but instead solve this for MPLS and use it >> everywhere. >>=20 >> Is there something special about the SR case that I am missing here? >>=20 >> - Stewart >>=20 >>=20 >>=20 >>>> On 12 Jan 2021, at 03:18, Mach Chen wrote: >>>=20 >>> Hi Stewart, >>>=20 >>> I guess your questions are for the authors of the draft, I will let >>> the authors to answer the questions :-) >>>=20 >>> Best regards, >>> Mach >>>=20 >>>> -----Original Message----- >>>> From: Stewart Bryant [mailto:stewart.bryant@gmail.com] >>>> Sent: Tuesday, January 12, 2021 3:29 AM >>>> To: Mach Chen >>>> Cc: Eric Gray ; Loa Andersson ; >>>> Greg Mirsky ; mpls ; Rakesh >>>> Gandhi >>>> (rgandhi) ; mpls-chairs >>>> ; draft-gandhi-mpls-ioam-sr@ietf.org >>>> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >>>>=20 >>>> I have a slightly more fundamental question. >>>>=20 >>>> Why are we specifying this for sr? >>>>=20 >>>> Surely we should specify it for MPLS and have SR inherit that? >>>>=20 >>>> Also what happens if the MPLS payload is a PW or Detnet or something >>>> else defined to be immediately below the bottom label? >>>>=20 >>>> Stewart >>=20 >> _______________________________________________ >> mpls mailing list >> mpls@ietf.org >> https://urldefense.com/v3/__https://www.ietf.org/mailman/listinfo/mpls__;= !! >> NEt6yMaO-gk!SuMXa-Es- >> oW3RUCmQB2RzdQQenskdsvnP0fvhz9Aw0vFdmyWXBNS9CIxztAHExY$ >=20 > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls From nobody Mon Jan 18 11:51:30 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 31B393A0A29; Mon, 18 Jan 2021 11:51:29 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Benjamin Kaduk via Datatracker To: "The IESG" Cc: draft-ietf-mpls-spl-terminology@ietf.org, mpls-chairs@ietf.org, mpls@ietf.org, Nicolai Leymann , n.leymann@telekom.de X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Benjamin Kaduk Message-ID: <161099948865.26975.2112849368489782217@ietfa.amsl.com> Date: Mon, 18 Jan 2021 11:51:29 -0800 Archived-At: Subject: [mpls] Benjamin Kaduk's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2021 19:51:29 -0000 Benjamin Kaduk has entered the following ballot position for draft-ietf-mpls-spl-terminology-05: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-mpls-spl-terminology/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- A nice solid and well-written document; thanks. Just nit-level quibbles from me... Section 3 What is the expansion of the "cSPL" term used in Figure 2? It does not seem to be mentioned anywhere in the prose. Section 5 The document describes the terminology to be used when describing and specifying the use of SPLs. It does not effect the forwarding in the MPLS data plane, [...] (nit) I think we want "affect" with an "a" (though the statement is arguably more true with the "e" version; keep reading). Also, my instinctive response to absolute statements like "does not affect" is to seek even the smallest of counterexamples; we do seem to (in Section 4) now mandate that processing XL followed by 7 at the top of the stack be "drop the packet", and it was not fully clear to me whether that was specifically mandated in the RFC 7274 procedures (or even whether there is something useful to do with such a packet other than "drop" in the first place). Section 6 IANA is requested to change the name of the registry that today is called "Special-Purpose MPLS Label Values" is changed to "Base Special- Purpose MPLS Label Values". (nit) The "requested to change [...] is changed to" seems wonky, but this has to get rewritten by the RFC Editor anyway once IANA has made the change, so it may not be worth messing with now. 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Mon, 18 Jan 2021 21:36:09 +0000 From: "Rakesh Gandhi (rgandhi)" To: Stewart Bryant , Mach Chen CC: Stewart Bryant , Eric Gray , loa Andersson , Greg Mirsky , mpls , "Rakesh Gandhi (rgandhi)" , mpls-chairs , "draft-gandhi-mpls-ioam-sr@ietf.org" Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Thread-Index: AQHW2hyE7dWc8KJ1EUG9/rtKvDGItqoPZZgAgAgyj5mAACGNgIAD2iCAgAAC0oCAAAWkAIAAFuiAgAAxOQCAAgK5AIAD4EAAgAEkigCAAIMcAIAKPMmAgABjS1k= Date: Mon, 18 Jan 2021 21:36:08 +0000 Message-ID: References: <31E0C5A4-1EA3-486F-8BC4-E4E9AA107D95@gmail.com> , <1111CEC7-B11D-4A22-AFEA-DB9F90FA0B82@gmail.com> In-Reply-To: <1111CEC7-B11D-4A22-AFEA-DB9F90FA0B82@gmail.com> Accept-Language: en-CA, en-US Content-Language: en-CA X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=cisco.com; x-originating-ip: [2607:fea8:e29f:f9f0:ace9:55d4:fd04:fc49] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a85be08b-7ca6-4450-2470-08d8bbf911a2 x-ms-traffictypediagnostic: DM5PR11MB1402: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Stewart, Thanks for the suggestion. Agree with making this generic to MPLS and not s= pecific to SR-MPLS. Thanks, Rakesh From: Stewart Bryant Date: Monday, January 18, 2021 at 10:39 AM To: Mach Chen Cc: Stewart Bryant , Eric Gray , loa Andersson , Greg Mirsky , mpl= s , Rakesh Gandhi (rgandhi) , mpls-chairs , draft-gandhi-mpls-ioam-sr@ietf.= org Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 Hi Mach It is as much a question for the WG given that this is up for adoption. In all other aspects MPLS-SR inherits everything from MPLS so why would it = not do so here? Also given that we want iOAM for SR why would we not want it for MPLS and a= ssociated technologies such as PW and VPN as well? So my view is not to make a special case for SR and then have the complexit= y of introducing it to base MPLS, but instead solve this for MPLS and use i= t everywhere. Is there something special about the SR case that I am missing here? - Stewart > On 12 Jan 2021, at 03:18, Mach Chen wrote: > > Hi Stewart, > > I guess your questions are for the authors of the draft, I will let the a= uthors to answer the questions :-) > > Best regards, > Mach > >> -----Original Message----- >> From: Stewart Bryant [mailto:stewart.bryant@gmail.com] >> Sent: Tuesday, January 12, 2021 3:29 AM >> To: Mach Chen >> Cc: Eric Gray ; Loa Andersson ; Greg >> Mirsky ; mpls ; Rakesh Gandhi >> (rgandhi) ; mpls-chairs >> ; draft-gandhi-mpls-ioam-sr@ietf.org >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >> >> I have a slightly more fundamental question. >> >> Why are we specifying this for sr? >> >> Surely we should specify it for MPLS and have SR inherit that? >> >> Also what happens if the MPLS payload is a PW or Detnet or something els= e >> defined to be immediately below the bottom label? >> >> Stewart --_000_DM6PR11MB3115D423D85F84A3A1AD0547BFA40DM6PR11MB3115namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Stewart,

 

Thanks for the suggestion. Agree with making this ge= neric to MPLS and not specific to SR-MPLS.

 

Thanks,

Rakesh

 

 

From: Stewart Bryant <= stewart.bryant@gmail.com>
Date: Monday, January 18, 2021 at 10:39 AM
To: Mach Chen <mach.chen@huawei.com>
Cc: Stewart Bryant <stewart.bryant@gmail.com>, Eric Gray <e= ric.gray@ericsson.com>, loa Andersson <loa@pi.nu>, Greg Mirsky <= ;gregimirsky@gmail.com>, mpls <mpls@ietf.org>, Rakesh Gandhi (rgan= dhi) <rgandhi=3D40cisco.com@dmarc.ietf.org>, mpls-chairs <mpls-cha= irs@ietf.org>, draft-gandhi-mpls-ioam-sr@ietf.org <draft-gandhi-mpls-ioam-sr@ietf.org&= gt;
Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04

Hi Mach

It is as much a question for the WG given that this is up for adoption.

In all other aspects MPLS-SR inherits everything from MPLS so why would it = not do so here?

Also given that we want iOAM for SR why would we not want it for MPLS and a= ssociated technologies such as PW and VPN as well?

So my view is not to make a special case for SR and then have the complexit= y of introducing it to base MPLS, but instead solve this for MPLS and use i= t everywhere.

Is there something special about the SR case that I am missing here?

- Stewart



> On 12 Jan 2021, at 03:18, Mach Chen <mach.chen@huawei.com> wrote= :
>
> Hi Stewart,
>
> I guess your questions are for the authors of the draft, I will let th= e authors to answer the questions :-)
>
> Best regards,
> Mach
>
>> -----Original Message-----
>> From: Stewart Bryant [= mailto:stewart.bryant@gmail.com]
>> Sent: Tuesday, January 12, 2021 3:29 AM
>> To: Mach Chen <mach.chen@huawei.com>
>> Cc: Eric Gray <eric.gray@ericsson.com>; Loa Andersson <lo= a@pi.nu>; Greg
>> Mirsky <gregimirsky@gmail.com>; mpls <mpls@ietf.org>; = Rakesh Gandhi
>> (rgandhi) <rgandhi=3D40cisco.com@dmarc.ietf.org>; mpls-chair= s
>> <mpls-chairs@ietf.org>; draft-gandhi-mpls-ioam-sr@ietf.org >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04=
>>
>> I have a slightly more fundamental question.
>>
>> Why are we specifying this for sr?
>>
>> Surely we should specify it for MPLS  and have SR inherit tha= t?
>>
>> Also what happens if the MPLS payload is a PW or Detnet or somethi= ng else
>> defined to be immediately below the bottom label?
>>
>> Stewart

--_000_DM6PR11MB3115D423D85F84A3A1AD0547BFA40DM6PR11MB3115namp_-- From nobody Mon Jan 18 18:58:16 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C07283A1082; Mon, 18 Jan 2021 18:58:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.096 X-Spam-Level: X-Spam-Status: No, score=-2.096 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6oj6c_SFrxcS; Mon, 18 Jan 2021 18:58:13 -0800 (PST) Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id ED7BB3A107C; Mon, 18 Jan 2021 18:58:12 -0800 (PST) Received: by mail-pl1-x62a.google.com with SMTP id y8so9687741plp.8; Mon, 18 Jan 2021 18:58:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=content-transfer-encoding:mime-version:subject:from:in-reply-to :date:cc:message-id:references:to; bh=qn3bZv00rC7r4e6kj+3zr4Pn1itaLJQZwJ0vvrKAeSs=; b=gRu0oM30oxklI0JTpNvp87DjiJNEHNrfTqqt1ZXboRegXJtH5ry5LArfhKFgcfM0Qq vQX8bbJFwY2Orwlx7wk2VV0dMdrwCQf2WDOedVcIeC3SNmUikcOzJQZutIrKCGxgUBEk ZBwE9Fb7puEVjeQKGaTIARWpOO+iLBYaUslS1RDLuc5yPMuW6JMV9KTbDEbfSwkrO9PC /uE0jB6KDvp2yd5Q4evNKYbl0vH9lv32QQ/if/7f29K9mQ0/6r6KI+dk5ag1JCPBZbHa rTz0AthIBCrCKtOkOgcm2Zv1h1X5P7tj76QsO0Os07zFZswcohPuzmqFD1C5dVd+y/UA 9/Ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:mime-version:subject :from:in-reply-to:date:cc:message-id:references:to; bh=qn3bZv00rC7r4e6kj+3zr4Pn1itaLJQZwJ0vvrKAeSs=; b=MjFSNHVpdMDjEwMULU5vfJWCKjhbcTZCnO9CS3zjhHqgjxvbkxUrXXCOeF0KCXldn2 eC1PW1wAoAhZs7dMEZmClKAVn6dDAFAzECmMOYIKCBOZCVuH4lUjA2Kf904zYdytcBxv 62mN9EZrNxL8T9pSsgL8uAUyUUk8Yez1IuWdEL7KkqGJ5YLsQiXvooDkfXEyBXSKuCuS /SE37mb8XDSXsXT4DZtxJCDWlM16jkwxUZqSkEHUGIv6804sB5bR+MzRS1oP0bC1WRzw fkbdS27Bdk9/nDSsL3WodKbfHvIjA4S2hWwJ8C5nB51rDsZHc1vzDKSSCYcHDGF6zk17 lThw== X-Gm-Message-State: AOAM531rqQNxBbdQS2jXMeNOn5/yHl/Kzt4KEBij1uKonsW6pkCj9jb4 4IGKnliUXAJyCNXhlP7C4eY= X-Google-Smtp-Source: ABdhPJzTgWkg77GN5IEdF28Ph+V5FkDliuuvYN6z+vsCFKAy8fcIb97iTECUjkQos0Y5YCt3bTP1AA== X-Received: by 2002:a17:90a:8508:: with SMTP id l8mr2525357pjn.131.1611025092396; Mon, 18 Jan 2021 18:58:12 -0800 (PST) Received: from [192.168.1.31] ([124.104.17.232]) by smtp.gmail.com with ESMTPSA id l4sm709023pju.26.2021.01.18.18.58.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Jan 2021 18:58:11 -0800 (PST) Content-Type: multipart/alternative; boundary=Apple-Mail-2296A0B6-F89B-4646-B547-5DF23BF7C112 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) From: Loa Andersson In-Reply-To: Date: Tue, 19 Jan 2021 10:58:07 +0800 Cc: Stewart Bryant , Mach Chen , mpls , mpls-chairs , draft-gandhi-mpls-ioam-sr@ietf.org Message-Id: <9A29135C-0660-4016-903A-835004B5FF9D@gmail.com> References: To: "Rakesh Gandhi (rgandhi)" X-Mailer: iPhone Mail (18C66) Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 02:58:15 -0000 --Apple-Mail-2296A0B6-F89B-4646-B547-5DF23BF7C112 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Rskesh, I agree making it mpls generic. Actually looking at it is pretty close to th= at, with minor edits it is possible to read the references to SR as examples= .=20 We should move this discussion to the working group mailing list.=20 Rakesh,=20 Can send a mail to the list, outlining what we agreed to and ask for comment= s? /Loa Sent from my iPhone > On 19 Jan 2021, at 05:52, Rakesh Gandhi (rgandhi) wrote: >=20 > =EF=BB=BF > Hi Stewart, > =20 > Thanks for the suggestion. Agree with making this generic to MPLS and not s= pecific to SR-MPLS. > =20 > Thanks, > Rakesh > =20 > =20 > From: Stewart Bryant > Date: Monday, January 18, 2021 at 10:39 AM > To: Mach Chen > Cc: Stewart Bryant , Eric Gray , loa Andersson , Greg Mirsky , mpl= s , Rakesh Gandhi (rgandhi) , mpls-chairs , draft-gandhi-mpls-ioam-sr@ietf.or= g > Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >=20 > Hi Mach >=20 > It is as much a question for the WG given that this is up for adoption. >=20 > In all other aspects MPLS-SR inherits everything from MPLS so why would it= not do so here? >=20 > Also given that we want iOAM for SR why would we not want it for MPLS and a= ssociated technologies such as PW and VPN as well? >=20 > So my view is not to make a special case for SR and then have the complexi= ty of introducing it to base MPLS, but instead solve this for MPLS and use i= t everywhere. >=20 > Is there something special about the SR case that I am missing here? >=20 > - Stewart >=20 >=20 >=20 > > On 12 Jan 2021, at 03:18, Mach Chen wrote: > >=20 > > Hi Stewart, > >=20 > > I guess your questions are for the authors of the draft, I will let the a= uthors to answer the questions :-) > >=20 > > Best regards, > > Mach > >=20 > >> -----Original Message----- > >> From: Stewart Bryant [mailto:stewart.bryant@gmail.com] > >> Sent: Tuesday, January 12, 2021 3:29 AM > >> To: Mach Chen > >> Cc: Eric Gray ; Loa Andersson ; Greg= > >> Mirsky ; mpls ; Rakesh Gandhi > >> (rgandhi) ; mpls-chairs > >> ; draft-gandhi-mpls-ioam-sr@ietf.org > >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 > >>=20 > >> I have a slightly more fundamental question. > >>=20 > >> Why are we specifying this for sr? > >>=20 > >> Surely we should specify it for MPLS and have SR inherit that? > >>=20 > >> Also what happens if the MPLS payload is a PW or Detnet or something el= se > >> defined to be immediately below the bottom label? > >>=20 > >> Stewart >=20 > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls --Apple-Mail-2296A0B6-F89B-4646-B547-5DF23BF7C112 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Rskesh,

I agree making i= t mpls generic. Actually looking at it is pretty close to that, with minor e= dits it is possible to read the references to SR as examples. 

We should move this discussion to the working group mailing= list. 

Rakesh, 
Can send a mai= l to the list, outlining what we agreed to and ask for comments?
<= br>
/Loa

Sent from my iPhone

On 19 Jan 2021, at 05:52, Rakesh Gand= hi (rgandhi) <rgandhi=3D40cisco.com@dmarc.ietf.org> wrote:

=EF=BB=BF =

Hi Stewart,

 

Thanks for the suggestion. Agree with making this gen= eric to MPLS and not specific to SR-MPLS.

 

Thanks,

Rakesh

 

 

From: Stewart Bryant <s= tewart.bryant@gmail.com>
Date: Monday, January 18, 2021 at 10:39 AM
To: Mach Chen <mach.chen@huawei.com>
Cc: Stewart Bryant <stewart.bryant@gmail.com>, Eric Gray <er= ic.gray@ericsson.com>, loa Andersson <loa@pi.nu>, Greg Mirsky <g= regimirsky@gmail.com>, mpls <mpls@ietf.org>, Rakesh Gandhi (rgandhi= ) <rgandhi=3D40cisco.com@dmarc.ietf.org>, mpls-chairs <mpls-chairs@= ietf.org>, draft-gandhi-mpls-ioam-sr@ietf.org <draft-gandhi-mpls-ioam-sr@ietf.org&g= t;
Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04

Hi Mach

It is as much a question for the WG given that this is up for adoption.

In all other aspects MPLS-SR inherits everything from MPLS so why would it n= ot do so here?

Also given that we want iOAM for SR why would we not want it for MPLS and as= sociated technologies such as PW and VPN as well?

So my view is not to make a special case for SR and then have the complexity= of introducing it to base MPLS, but instead solve this for MPLS and use it e= verywhere.

Is there something special about the SR case that I am missing here?

- Stewart



> On 12 Jan 2021, at 03:18, Mach Chen <mach.chen@huawei.com> wrote:=
>
> Hi Stewart,
>
> I guess your questions are for the authors of the draft, I will let the= authors to answer the questions :-)
>
> Best regards,
> Mach
>
>> -----Original Message-----
>> From: Stewart Bryant [m= ailto:stewart.bryant@gmail.com]
>> Sent: Tuesday, January 12, 2021 3:29 AM
>> To: Mach Chen <mach.chen@huawei.com>
>> Cc: Eric Gray <eric.gray@ericsson.com>; Loa Andersson <loa= @pi.nu>; Greg
>> Mirsky <gregimirsky@gmail.com>; mpls <mpls@ietf.org>; R= akesh Gandhi
>> (rgandhi) <rgandhi=3D40cisco.com@dmarc.ietf.org>; mpls-chairs=
>> <mpls-chairs@ietf.org>; draft-gandhi-mpls-ioam-sr@ietf.org >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04<= br> >>
>> I have a slightly more fundamental question.
>>
>> Why are we specifying this for sr?
>>
>> Surely we should specify it for MPLS  and have SR inherit that= ?
>>
>> Also what happens if the MPLS payload is a PW or Detnet or somethin= g else
>> defined to be immediately below the bottom label?
>>
>> Stewart

_______________________________________________
mpls m= ailing list
mpls@ietf.org
https://www.ietf.o= rg/mailman/listinfo/mpls
= --Apple-Mail-2296A0B6-F89B-4646-B547-5DF23BF7C112-- From nobody Mon Jan 18 19:00:44 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AF39D3A1080; Mon, 18 Jan 2021 19:00:42 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.096 X-Spam-Level: X-Spam-Status: No, score=-2.096 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id T19_UY7m8ZKs; Mon, 18 Jan 2021 19:00:40 -0800 (PST) Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CB45A3A1082; Mon, 18 Jan 2021 19:00:40 -0800 (PST) Received: by mail-pf1-x434.google.com with SMTP id 11so11361516pfu.4; Mon, 18 Jan 2021 19:00:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=content-transfer-encoding:mime-version:subject:from:in-reply-to :date:cc:message-id:references:to; bh=mKdacPoYSUw/iLriFP39unqCLmmVdSGfiyVljRnojts=; b=cA8Kpec9zwUdKv9AZm6uaMtVif0A30pTfqOkb3/raS6ymXPXOF7xAUCVUlqyheCYy7 Yr2NDp3jDP6y3jWIC3hD2ORu0s4uJ66WHCY99AkUwz2Z63FZ+r5mMHARjnUGqt43oFdX j9gFOtT3enEl7el/xR188Rdy2EAROBL+wci92Fqv8DKe+zlqBtpTxe3UiPm5EVgQUJ/h KTVuVahnDGMNWXwywN/uGRmIL8nnfm7rkKQVGkiVhehjoPpmYQfxNcPPOkxYX7JRoOAA sO+8KAb4CUajXW1aJ87dePrwPGxUhmJkxR02tGUcZmymz5nPoEOAVXWmHooqKR1jvvha 2vnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:mime-version:subject :from:in-reply-to:date:cc:message-id:references:to; bh=mKdacPoYSUw/iLriFP39unqCLmmVdSGfiyVljRnojts=; b=iK1bIty8BHKpf48I5vyy161WjVg0Po2H5s0Rp01Kskk9qNtiywzfKriWovRvHwRXKj DpUlL+FFLTV/2x4nKanAMQZMDNPWmyYR55A5lewBkNT44/WwO9hpl6L0KuajitTqTWKv 8gm6rS9HwaB0MklgcM9JGbix3krpxGV30XcaO7JqVPr5ZjRi0nr6Vb6/1lKRtWKgCLuV o5VX55Tfd41+TUYtvSfnkxZ959X8Gs7w4roONOv+tbrzOp0Koa9XDh8ljG9kedMA56gG SJ7LqecX7DlUGpg+xVqX13zIK5cJUnxU+wY4nT/UyS3o7jZ2uuUFJKR8ac4mqCbOhpel PMZA== X-Gm-Message-State: AOAM531dzL4cBYzKaxyR4JULmH5aB2U5yE5ZuR22Q4mD0fqOHhiLZrx+ h5Qr/F91XdeAQ+w1wogQ9eE= X-Google-Smtp-Source: ABdhPJxi3d9ZkBESaOqnHgmP9kcfYiMLEu69dVir1IBT2sqzxFZDou3wkNIf2l2CidOEpY87k+WNBw== X-Received: by 2002:a63:1519:: with SMTP id v25mr2478491pgl.217.1611025240152; Mon, 18 Jan 2021 19:00:40 -0800 (PST) Received: from [192.168.1.31] ([124.104.17.232]) by smtp.gmail.com with ESMTPSA id e21sm16972389pgv.74.2021.01.18.19.00.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Jan 2021 19:00:39 -0800 (PST) Content-Type: multipart/alternative; boundary=Apple-Mail-D257B6C3-9F64-4333-90B8-2C00654255BB Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) From: Loa Andersson In-Reply-To: <9A29135C-0660-4016-903A-835004B5FF9D@gmail.com> Date: Tue, 19 Jan 2021 11:00:37 +0800 Cc: Stewart Bryant , Mach Chen , mpls , mpls-chairs , draft-gandhi-mpls-ioam-sr@ietf.org Message-Id: <62C862C5-2429-48E6-B6F3-BCD8F392B221@gmail.com> References: <9A29135C-0660-4016-903A-835004B5FF9D@gmail.com> To: "Rakesh Gandhi (rgandhi)" X-Mailer: iPhone Mail (18C66) Archived-At: Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 03:00:43 -0000 --Apple-Mail-D257B6C3-9F64-4333-90B8-2C00654255BB Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Oooopps! the list was already copied, well fine. Please comment! /Loa Sent from my iPhone > On 19 Jan 2021, at 10:58, Loa Andersson wrote: >=20 > =EF=BB=BFRskesh, >=20 > I agree making it mpls generic. Actually looking at it is pretty close to t= hat, with minor edits it is possible to read the references to SR as example= s.=20 >=20 > We should move this discussion to the working group mailing list.=20 >=20 > Rakesh,=20 > Can send a mail to the list, outlining what we agreed to and ask for comme= nts? >=20 > /Loa >=20 > Sent from my iPhone >=20 >>> On 19 Jan 2021, at 05:52, Rakesh Gandhi (rgandhi) wrote: >>>=20 >> =EF=BB=BF >> Hi Stewart, >> =20 >> Thanks for the suggestion. Agree with making this generic to MPLS and not= specific to SR-MPLS. >> =20 >> Thanks, >> Rakesh >> =20 >> =20 >> From: Stewart Bryant >> Date: Monday, January 18, 2021 at 10:39 AM >> To: Mach Chen >> Cc: Stewart Bryant , Eric Gray , loa Andersson , Greg Mirsky , mp= ls , Rakesh Gandhi (rgandhi) , mpls-chairs , draft-gandhi-mpls-ioam-sr@ietf.o= rg >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >>=20 >> Hi Mach >>=20 >> It is as much a question for the WG given that this is up for adoption. >>=20 >> In all other aspects MPLS-SR inherits everything from MPLS so why would i= t not do so here? >>=20 >> Also given that we want iOAM for SR why would we not want it for MPLS and= associated technologies such as PW and VPN as well? >>=20 >> So my view is not to make a special case for SR and then have the complex= ity of introducing it to base MPLS, but instead solve this for MPLS and use i= t everywhere. >>=20 >> Is there something special about the SR case that I am missing here? >>=20 >> - Stewart >>=20 >>=20 >>=20 >> > On 12 Jan 2021, at 03:18, Mach Chen wrote: >> >=20 >> > Hi Stewart, >> >=20 >> > I guess your questions are for the authors of the draft, I will let the= authors to answer the questions :-) >> >=20 >> > Best regards, >> > Mach >> >=20 >> >> -----Original Message----- >> >> From: Stewart Bryant [mailto:stewart.bryant@gmail.com] >> >> Sent: Tuesday, January 12, 2021 3:29 AM >> >> To: Mach Chen >> >> Cc: Eric Gray ; Loa Andersson ; Gre= g >> >> Mirsky ; mpls ; Rakesh Gandhi >> >> (rgandhi) ; mpls-chairs >> >> ; draft-gandhi-mpls-ioam-sr@ietf.org >> >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04 >> >>=20 >> >> I have a slightly more fundamental question. >> >>=20 >> >> Why are we specifying this for sr? >> >>=20 >> >> Surely we should specify it for MPLS and have SR inherit that? >> >>=20 >> >> Also what happens if the MPLS payload is a PW or Detnet or something e= lse >> >> defined to be immediately below the bottom label? >> >>=20 >> >> Stewart >>=20 >> _______________________________________________ >> mpls mailing list >> mpls@ietf.org >> https://www.ietf.org/mailman/listinfo/mpls --Apple-Mail-D257B6C3-9F64-4333-90B8-2C00654255BB Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Oooopps!

the list was al= ready copied, well fine. Please comment!

/Loa
Sent from my iPhone

On 19 Jan 2021, at 10:58, Loa Andersson <loa.pi.nu@gmail.c= om> wrote:

=EF=BB=BFRskesh,

I agree making it mpls generic. Actua= lly looking at it is pretty close to that, with minor edits it is possible t= o read the references to SR as examples. 

We s= hould move this discussion to the working group mailing list. 

Rakesh, 
Can send a mail to the list, outlin= ing what we agreed to and ask for comments?

/Loa
Sent from my iPhone

On 19 Jan 2021, at 05:52, Rakesh Gandhi (rgandhi) <rgan= dhi=3D40cisco.com@dmarc.ietf.org> wrote:

=EF=BB=BF =

Hi Stewart,

 

Thanks for the suggestion. Agree with making this gen= eric to MPLS and not specific to SR-MPLS.

 

Thanks,

Rakesh

 

 

From: Stewart Bryant <s= tewart.bryant@gmail.com>
Date: Monday, January 18, 2021 at 10:39 AM
To: Mach Chen <mach.chen@huawei.com>
Cc: Stewart Bryant <stewart.bryant@gmail.com>, Eric Gray <er= ic.gray@ericsson.com>, loa Andersson <loa@pi.nu>, Greg Mirsky <g= regimirsky@gmail.com>, mpls <mpls@ietf.org>, Rakesh Gandhi (rgandhi= ) <rgandhi=3D40cisco.com@dmarc.ietf.org>, mpls-chairs <mpls-chairs@= ietf.org>, draft-gandhi-mpls-ioam-sr@ietf.org <draft-gandhi-mpls-ioam-sr@ietf.org&g= t;
Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04

Hi Mach

It is as much a question for the WG given that this is up for adoption.

In all other aspects MPLS-SR inherits everything from MPLS so why would it n= ot do so here?

Also given that we want iOAM for SR why would we not want it for MPLS and as= sociated technologies such as PW and VPN as well?

So my view is not to make a special case for SR and then have the complexity= of introducing it to base MPLS, but instead solve this for MPLS and use it e= verywhere.

Is there something special about the SR case that I am missing here?

- Stewart



> On 12 Jan 2021, at 03:18, Mach Chen <mach.chen@huawei.com> wrote:=
>
> Hi Stewart,
>
> I guess your questions are for the authors of the draft, I will let the= authors to answer the questions :-)
>
> Best regards,
> Mach
>
>> -----Original Message-----
>> From: Stewart Bryant [m= ailto:stewart.bryant@gmail.com]
>> Sent: Tuesday, January 12, 2021 3:29 AM
>> To: Mach Chen <mach.chen@huawei.com>
>> Cc: Eric Gray <eric.gray@ericsson.com>; Loa Andersson <loa= @pi.nu>; Greg
>> Mirsky <gregimirsky@gmail.com>; mpls <mpls@ietf.org>; R= akesh Gandhi
>> (rgandhi) <rgandhi=3D40cisco.com@dmarc.ietf.org>; mpls-chairs=
>> <mpls-chairs@ietf.org>; draft-gandhi-mpls-ioam-sr@ietf.org >> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04<= br> >>
>> I have a slightly more fundamental question.
>>
>> Why are we specifying this for sr?
>>
>> Surely we should specify it for MPLS  and have SR inherit that= ?
>>
>> Also what happens if the MPLS payload is a PW or Detnet or somethin= g else
>> defined to be immediately below the bottom label?
>>
>> Stewart

_______________________________________________
mpls m= ailing list
mpls@ietf.org
https://www.ietf.o= rg/mailman/listinfo/mpls
= --Apple-Mail-D257B6C3-9F64-4333-90B8-2C00654255BB-- From nobody Mon Jan 18 23:05:34 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 994783A125B for ; Mon, 18 Jan 2021 23:05:32 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QL-t9A1E2tTm for ; Mon, 18 Jan 2021 23:05:30 -0800 (PST) Received: from rfc-editor.org (rfc-editor.org [4.31.198.49]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B7C2A3A125C for ; Mon, 18 Jan 2021 23:05:30 -0800 (PST) Received: by rfc-editor.org (Postfix, from userid 30) id 3D036F407F6; Mon, 18 Jan 2021 23:05:14 -0800 (PST) To: naikumar@cisco.com, cpignata@cisco.com, swallow.ietf@gmail.com, nobo.akiya.dev@gmail.com, sriganeshkini@gmail.com, mach.chen@huawei.com, db3546@att.com, aretana.ietf@gmail.com, martin.vigoureux@nokia.com, loa@pi.nu, n.leymann@telekom.de, tsaad.net@gmail.com X-PHP-Originating-Script: 1005:errata_mail_lib.php From: RFC Errata System Cc: jwbensley+ietf@gmail.com, mpls@ietf.org, rfc-editor@rfc-editor.org Content-Type: text/plain; charset=UTF-8 Message-Id: <20210119070514.3D036F407F6@rfc-editor.org> Date: Mon, 18 Jan 2021 23:05:14 -0800 (PST) Archived-At: Subject: [mpls] [Technical Errata Reported] RFC8287 (6389) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 07:05:33 -0000 The following errata report has been submitted for RFC8287, "Label Switched Path (LSP) Ping/Traceroute for Segment Routing (SR) IGP-Prefix and IGP-Adjacency Segment Identifiers (SIDs) with MPLS Data Planes". -------------------------------------- You may review the report below and at: https://www.rfc-editor.org/errata/eid6389 -------------------------------------- Type: Technical Reported by: James Bensley Section: 5.2 Original Text ------------- 5.2. IPv6 IGP-Prefix Segment ID The IPv6 IGP-Prefix Segment ID is defined in [SR]. The format is as specified below: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | | IPv6 Prefix | | | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |Prefix Length | Protocol | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ IPv6 Prefix This field carries the IPv6 prefix to which the Segment ID is assigned. In case of an Anycast Segment ID, this field will carry the IPv4 Anycast address. Corrected Text -------------- 5.2. IPv6 IGP-Prefix Segment ID The IPv6 IGP-Prefix Segment ID is defined in [SR]. The format is as specified below: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | | IPv6 Prefix | | | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |Prefix Length | Protocol | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ IPv6 Prefix This field carries the IPv6 prefix to which the Segment ID is assigned. In case of an Anycast Segment ID, this field will carry the IPv6 Anycast address. Notes ----- Copy-pasta reusing the IPv4 IGP-Prefix Segment ID description for the IPv6 IGP-Prefix Segment ID description, and in the case of an IPv6 Anycast Segment ID it states that an IPv4 prefix should be entered into the IPv6 Prefix field. Instructions: ------------- This erratum is currently posted as "Reported". If necessary, please use "Reply All" to discuss whether it should be verified or rejected. When a decision is reached, the verifying party can log in to change the status and edit the report, if necessary. -------------------------------------- RFC8287 (draft-ietf-mpls-spring-lsp-ping-13) -------------------------------------- Title : Label Switched Path (LSP) Ping/Traceroute for Segment Routing (SR) IGP-Prefix and IGP-Adjacency Segment Identifiers (SIDs) with MPLS Data Planes Publication Date : December 2017 Author(s) : N. Kumar, Ed., C. Pignataro, Ed., G. Swallow, N. Akiya, S. Kini, M. Chen Category : PROPOSED STANDARD Source : Multiprotocol Label Switching Area : Routing Stream : IETF Verifying Party : IESG From nobody Mon Jan 18 23:59:13 2021 Return-Path: X-Original-To: mpls@ietf.org Delivered-To: mpls@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8C1BE3A12B3; Mon, 18 Jan 2021 23:59:08 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Murray Kucherawy via Datatracker To: "The IESG" Cc: draft-ietf-mpls-spl-terminology@ietf.org, mpls-chairs@ietf.org, mpls@ietf.org, Nicolai Leymann X-Test-IDTracker: no X-IETF-IDTracker: 7.24.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Murray Kucherawy Message-ID: <161104314805.9346.8127380316615537410@ietfa.amsl.com> Date: Mon, 18 Jan 2021 23:59:08 -0800 Archived-At: Subject: [mpls] Murray Kucherawy's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 07:59:09 -0000 Murray Kucherawy has entered the following ballot position for draft-ietf-mpls-spl-terminology-05: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-mpls-spl-terminology/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- I'm tempted to DISCUSS this, but for now I'll just ask it: Can an IANA registry be a normative reference? There are three here. 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Tue, 19 Jan 2021 11:36:30 +0000 From: tom petch To: Murray Kucherawy CC: "mpls@ietf.org" , "draft-ietf-mpls-spl-terminology@ietf.org" , "mpls-chairs@ietf.org" Thread-Topic: [mpls] Murray Kucherawy's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) Thread-Index: AQHW7jj/HEmSWNRtdUmuSTaHOWumDaou0azf Date: Tue, 19 Jan 2021 11:36:30 +0000 Message-ID: References: <161104314805.9346.8127380316615537410@ietfa.amsl.com> In-Reply-To: <161104314805.9346.8127380316615537410@ietfa.amsl.com> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=btconnect.com; x-originating-ip: [86.146.121.140] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7c4633c0-a49d-44dd-3f1f-08d8bc6e770a x-ms-traffictypediagnostic: AM6PR07MB4136: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7c4633c0-a49d-44dd-3f1f-08d8bc6e770a X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Jan 2021 11:36:30.1593 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 9MQMP0Wb8tAP58J1stJIopg0jXjTbZbPno1VSRAhkIVsqtrCgoXCevHaX+S+JW274GBVGNL2vpqJBH/KDoi9+A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR07MB4136 Archived-At: Subject: Re: [mpls] Murray Kucherawy's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 11:36:41 -0000 From: mpls on behalf of Murray Kucherawy via Datatr= acker =0A= Sent: 19 January 2021 07:59=0A= =0A= Murray Kucherawy has entered the following ballot position for=0A= draft-ietf-mpls-spl-terminology-05: No Objection=0A= =0A= When responding, please keep the subject line intact and reply to all=0A= email addresses included in the To and CC lines. (Feel free to cut this=0A= introductory paragraph, however.)=0A= =0A= =0A= Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html= =0A= for more information about IESG DISCUSS and COMMENT positions.=0A= =0A= =0A= The document, along with other ballot positions, can be found here:=0A= https://datatracker.ietf.org/doc/draft-ietf-mpls-spl-terminology/=0A= =0A= =0A= =0A= ----------------------------------------------------------------------=0A= COMMENT:=0A= ----------------------------------------------------------------------=0A= =0A= I'm tempted to DISCUSS this, but for now I'll just ask it:=0A= =0A= Can an IANA registry be a normative reference? There are three here.=0A= =0A= =0A= Murray=0A= =0A= =0A= Try RFC3813 (amongst many others)=0A= =0A= Tom Petch=0A= =0A= _______________________________________________=0A= mpls mailing list=0A= mpls@ietf.org=0A= https://www.ietf.org/mailman/listinfo/mpls=0A= From nobody Tue Jan 19 05:33:14 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 345DB3A14EB; Tue, 19 Jan 2021 05:33:12 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.403 X-Spam-Level: X-Spam-Status: No, score=-1.403 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7gp9aRNmtwpo; Tue, 19 Jan 2021 05:33:11 -0800 (PST) Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com [209.85.208.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 959873A14EC; Tue, 19 Jan 2021 05:33:10 -0800 (PST) Received: by mail-lj1-f179.google.com with SMTP id p13so21954956ljg.2; Tue, 19 Jan 2021 05:33:10 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Ayap5PNw4FwUHwgW62pbawWXF7aHjp0AS4z3Z3EzycQ=; b=DmqU7COZfivUnSFTHpK3c+hre33EEAr4cjtdT9T9BlfyouiFdF6VMTyvUaFWYIGn67 z2LNnA5I2UZ9QPWqaZB2FS59QnOxvJmzbIKhzbEJbdqO1WW2ohOd0pJc0cBzGKhyzKMz krNC0IbBqL28FJoz1zyDL6594Qpwl4vSOsPDYMv5zIjGLbTI9PUDxlmK1I0OaJdhqUJy HBzzjFMVZzJEai1G1QyZS089/0oye+t53JNvBJg/N6kjvlu5c2luOpcqNgUuu85wD4HD 4Ysc9hQ6HYszegbr8+aE4gKHEvslJxcpzmfWdpTfGZseBj8opnylzJjLY/Neyfspc4EL t4sg== X-Gm-Message-State: AOAM530g050GTIwB1QpnSuhMtM6H8Ydxs6lxyWJtLhdeBBO3xqV2ZtbY Ha6HWXMWC0QbT5SPmRpvlLQvtVi9tf/BlNEJZIs= X-Google-Smtp-Source: ABdhPJy3oOEthP5fOggIUPH9woE4rriBqPLQYMBy/9Pw5Y6QbDuInxCGWge/BOA2mh3nBTc8PS9LMlFEqLlfYSexAyE= X-Received: by 2002:a2e:b5cd:: with SMTP id g13mr709140ljn.248.1611063188389; Tue, 19 Jan 2021 05:33:08 -0800 (PST) MIME-Version: 1.0 References: <161104314805.9346.8127380316615537410@ietfa.amsl.com> In-Reply-To: <161104314805.9346.8127380316615537410@ietfa.amsl.com> From: Barry Leiba Date: Tue, 19 Jan 2021 08:32:57 -0500 Message-ID: To: Murray Kucherawy Cc: The IESG , mpls@ietf.org, draft-ietf-mpls-spl-terminology@ietf.org, mpls-chairs , Nicolai Leymann Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [mpls] Murray Kucherawy's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 13:33:12 -0000 > Can an IANA registry be a normative reference? There are three here. Why not? It's not typical, but if understanding the contents of the registry is important to understanding this document, then it seems to qualify. And it's certainly a stable reference. I guess the only concern would be that the content of the registry can (is actually expected to) change, but it's also the case that this document would be best served by referring to the current content of the registry at the time of reading, rather than having it fixed at the time if publication. So it seems to work there as well. All boxes ticked for me. Barry From nobody Tue Jan 19 12:57:41 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 912C63A017E; Tue, 19 Jan 2021 12:57:35 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.097 X-Spam-Level: X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3tDEZD1Oazc8; Tue, 19 Jan 2021 12:57:33 -0800 (PST) Received: from mail-lf1-x12a.google.com (mail-lf1-x12a.google.com [IPv6:2a00:1450:4864:20::12a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 137FB3A0100; Tue, 19 Jan 2021 12:57:33 -0800 (PST) Received: by mail-lf1-x12a.google.com with SMTP id o13so31090161lfr.3; Tue, 19 Jan 2021 12:57:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Mqpyr8nYG6PKdAFmoKh0I1aX6ARqjzoN1AYSlCrLMCA=; b=bCurMSEN8u9WB4msqSJlFmpTQrV1ktTcUH5inoHLhrT6dSc9ieFwmg2qnhkl25MLa3 PUQX2ihDoyqARs9zRki3SsO6MnF1kPIh1qZ0TZEapf0mCkUeP6+sJsRyY1xTieyTtP2N 60VW2vzuowF4Y58t0Cd2nNA8Ee3mSmm/hU/4zXvsysTe10jXsU1BH11apRp74xkrMsxo iTmuCkfIrXiYsNTJq6zFbof29P49NXULzr0D+MRCWQSmRotiip7JSMY/SDx3n19zeE6t 64q6lgnw8O6SooZnGd2yWl4cttRHmYUU+1pE+HvMtv2GlmsCEYNe57LX9xwIuWR/JGEy tpsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Mqpyr8nYG6PKdAFmoKh0I1aX6ARqjzoN1AYSlCrLMCA=; b=NLr6XaWHa3mGmaJSXjjD7Y0mhxTAnf9Q/VTcumAn6JOAzcBJ2S8qGakwwVbfz5Ful2 7P07vUkLVyGC/KRmiYHdSst3gvNUSaFTPqFza5QbUrycZOCL2QJAK0EQkOYYVhUbAGaD 34tzvyCFcYSvsLbYG7obWJi8ZOMQgJZBzF2J074b4TT6FZL0CBxU47lYYfEIGfKPKL1M iZtTBn1FuN+NGnqlX+jFZPgNqEY0udvznF9FUoyCuXgJT5EYc/PGf+F1ZOIM6R1u1Idd KZE//gaKc0t+oH8HYky9n/7hdilDcwwUpI4+ek1BEtxKIgiyki7Vd358NM/R7Ja00Tvy mXjQ== X-Gm-Message-State: AOAM533druukNp6dCjIbHXWVv+O9GbUVhe6nYScLsJYY24X1545bXSsT iejEtk/39glyjqtA/zSeCuiGH0jOeGwJf8R5gQ== X-Google-Smtp-Source: ABdhPJz53GfHpHTPfIg7SplYJ9FRvhqxIXmjhpw/qLgSBzHkNlXMOc7G7jZkvu9h7PrGfU+IRorFMcwoyUPvEf2c3eg= X-Received: by 2002:a19:23cf:: with SMTP id j198mr2687754lfj.509.1611089851045; Tue, 19 Jan 2021 12:57:31 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Rakesh Gandhi Date: Tue, 19 Jan 2021 15:57:19 -0500 Message-ID: To: Stewart Bryant Cc: "Jeffrey (Zhaohui) Zhang" , mpls , "int-area@ietf.org" , Kireeti Kompella , Ronald Bonica , "" , "pals@ietf.org" Content-Type: multipart/alternative; boundary="00000000000045db7e05b947162a" Archived-At: Subject: Re: [mpls] draft-zzhang-intarea-generic-delivery-functions X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 20:57:36 -0000 --00000000000045db7e05b947162a Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Stewart, Thanks for your comments. If we have a mechanism like following, does that address the issue? 1. IOAM header is part of the MPLS encapsulation, any other control word is added after the IOAM header in the data packet. 2. The transit nodes can process the IOAM data field(s) after the EOS in data packets as it is proposed. 3. The decapsulating node removes the MPLS encapsulation including the IOAM header and then processes the other control word following it. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | IOAM Indicator Label | TC |1| TTL | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<-+ |0 0 0 1|Version| Reserved | IOAM G-ACh | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | Reserved | Block Number | IOAM-OPT-Type |IOAM HDR Length| | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ I | | O | | A ~ IOAM Option and Data Space ~ M | | | | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<-+ |0 0 0 0| Rsved | This Header | Header Length | Next Header | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ~ Variable field per =E2=80=9CThis header=E2=80=9D = ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | | | ~ Payload Packet ~ | | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Thanks, Rakesh On Tue, Jan 12, 2021 at 10:00 AM Stewart Bryant wrote: > Thank you Jeffery > > Please see the note that I sent about iOAM who also want to sit after BoS > =E2=80=A6 and both of you want the same space that PALS and DetNet is alr= eady using. > > We plan to have a joint session on this hosted by PALS at the next IETF, > but I think we also need to include the iOAM people. > > This has scope to get very messy as we find new candidates for BoS > metadata so we really need to take a holistic position to ensure the futu= re > health the MPLS protocol. > > - Stewart > > > > On 12 Jan 2021, at 14:27, Jeffrey (Zhaohui) Zhang > wrote: > > > > Hi, > > > > I just posted > https://datatracker.ietf.org/doc/draft-zzhang-intarea-generic-delivery-fu= nctions/ > . > > > > The initial version was posted to the tsvwg ( > https://tools.ietf.org/html/draft-zzhang-tsvwg-generic-transport-function= s-00). > After discussions/feedback we are re-homing it to intarea wg. This new > version also contains quite some changes based on the comments and feedba= ck > that we received (special thanks to Stewart). > > > > Comments and suggestions are appreciated. > > > > Thanks. > > Jeffrey > > > > Juniper Business Use Only > > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls > --00000000000045db7e05b947162a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Stewart,
Thanks for your comments. If we have a mechanism like following, = does that address the issue?
  1. IOAM header is part of the MPLS encapsulati= on, any other= control word is added after the IOAM header in the data packet.
  2. The transit nodes can process the IOAM data field(s) after the EOS in data pack= ets as it is proposed.
  3. The decapsulating node removes the MPLS encapsulation including the IOAM header and then processes the other control word followi= ng it.

=C2=A0=C2=A0 0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 1=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 2=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 3

=C2=A0=C2=A0 0 1 2 3 4 5 6 7 8 = 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0 | IOAM Indicator L= abel=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | TC=C2=A0 |1|<= span>=C2=A0 TTL=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<= ;-+

=C2=A0=C2=A0 |0 0 0 1|Version| = Reserved=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | IOAM G-ACh=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 |

=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=C2=A0 |

=C2=A0=C2=A0 | Reserved= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | Block Number=C2=A0 | I= OAM-OPT-Type |IOAM HDR Length|=C2=A0 |

=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=C2=A0 I

=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 O

=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 A

=C2=A0=C2=A0 ~=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 IOAM Option and Data Space=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~=C2=A0 M

=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 |

=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 |

=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<= ;-+

=C2=A0=C2=A0 |0 0 0 0|= Rsved | This Header=C2=A0=C2=A0 | Header Length | Next Header=C2=A0=C2=A0 |

=C2=A0= =C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0= =C2=A0 ~=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 Variable field per =E2=80=9CThis header=E2=80=9D=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~

=C2=A0 <= /span>=C2=A0= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0 =C2=A0|=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

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=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+


Thanks,
Rakesh



--00000000000045db7e05b947162a-- From nobody Tue Jan 19 18:59:23 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 47B983A0C77; Tue, 19 Jan 2021 18:59:22 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2zZD26zzL-qQ; Tue, 19 Jan 2021 18:59:20 -0800 (PST) Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 047F23A0C6F; Tue, 19 Jan 2021 18:59:19 -0800 (PST) Received: by mail-pg1-x52a.google.com with SMTP id 30so14259188pgr.6; Tue, 19 Jan 2021 18:59:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=content-transfer-encoding:mime-version:subject:from:in-reply-to :date:cc:message-id:references:to; bh=9pmDVDpgCSokmNfL4Hq+l/Zv1rq0LRysbdwUYF7MYUY=; b=pxLGvJTZLV/YmWQp5959Rbo9B9l3GU1QihEnSA25AJGgdShkU2+TvgKLYhjhwgM3nw mrby+65tsM6wyNCYS7eSjNSofbGe3+PDJyQhpGeG9K55EksqO8gCiuXQe/RTg9OFGqZo +xLAvAv0FIaBpm9afni8FSopbq/sNHwCrDOVqlXX20MezHWgHx3a3WmeqyNYdYvX5uSe AVlejvUiGIQLf+Ly5USzlzCT+d1eQPvAnsHH7SG5K7l6BYfILSraTIFR2Hp0pO0XymGo wZLfnuKOCJub+5TMrh/enXht15A6OSr8Gk8svKhopaI6gJfzuUwt8v0W5HztKhvmcPE2 aHSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:mime-version:subject :from:in-reply-to:date:cc:message-id:references:to; bh=9pmDVDpgCSokmNfL4Hq+l/Zv1rq0LRysbdwUYF7MYUY=; b=r4PUMiZJuEe4imS+6yq2rckltAF37++0J6stKSbru9gRW/VCxYdAXzXQ5vwFWyr8hW 1wsVYw74RTAioJQ2LWtkD8Q8pHTpobP2dHHsmyw2cDcFanpr7Q9DHXal8uGMgupnggj+ dAlg2bZXZnZpNf435SBFb0YXaNlTCQLRVD3Obpzi2Uo13RvAUNVhlglC4yejJhGTtGBw A7W8eP3M7oMmS8LcutO5q3T0P7/ju67wGOFMepipNUILs/JjGZ3Je2Y5O7PBdzFQlR7o ZkeNw3Y0I4XDRWs7kZwbRTI8h7m2BK6aYeJjWTkRa7ooUNKsEGuE+NJPZTKWhHikEdYT scyA== X-Gm-Message-State: AOAM532TuEn29FuGgYvyTHrwiPApB1LKFwzYN5BStSOaAKptkvu60SdJ 0MelKeCzVtpK32Qi0OSDxVu5IRHC2hdRqA== X-Google-Smtp-Source: ABdhPJwIPwWY+AiUkxcankamZa6c6/sOFqCaBa/70LkHm4eCuS/jLQmJuIwq7PkmViwnWrgO610bhg== X-Received: by 2002:a65:5b47:: with SMTP id y7mr7190096pgr.221.1611111559022; Tue, 19 Jan 2021 18:59:19 -0800 (PST) Received: from [192.168.1.30] ([124.104.17.232]) by smtp.gmail.com with ESMTPSA id n1sm292803pjv.47.2021.01.19.18.59.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Jan 2021 18:59:18 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) From: Loa Andersson In-Reply-To: Date: Wed, 20 Jan 2021 10:59:14 +0800 Cc: Murray Kucherawy , mpls@ietf.org, draft-ietf-mpls-spl-terminology@ietf.org, The IESG , mpls-chairs Message-Id: <70AEE42E-BCB0-4F25-9145-0E76CC85DFD1@gmail.com> References: To: Barry Leiba X-Mailer: iPhone Mail (18C66) Archived-At: Subject: Re: [mpls] Murray Kucherawy's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Jan 2021 02:59:22 -0000 Murray, Can we consider the comment responded to? /Loa Sent from my iPhone > On 19 Jan 2021, at 21:33, Barry Leiba wrote: >=20 > =EF=BB=BF >>=20 >> Can an IANA registry be a normative reference? There are three here. >=20 > Why not? It's not typical, but if understanding the contents of the > registry is important to understanding this document, then it seems to > qualify. And it's certainly a stable reference. >=20 > I guess the only concern would be that the content of the registry can > (is actually expected to) change, but it's also the case that this > document would be best served by referring to the current content of > the registry at the time of reading, rather than having it fixed at > the time if publication. So it seems to work there as well. >=20 > All boxes ticked for me. >=20 > Barry >=20 > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls From nobody Tue Jan 19 21:15:07 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 582153A0D12; Tue, 19 Jan 2021 21:15:05 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.159 X-Spam-Level: X-Spam-Status: No, score=-2.159 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.262, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OrD_v2ye4Xge; Tue, 19 Jan 2021 21:15:02 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BA9253A0CD6; Tue, 19 Jan 2021 21:15:01 -0800 (PST) Received: from [192.168.1.11] (unknown [124.104.17.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 5011F328E6A; Wed, 20 Jan 2021 06:14:58 +0100 (CET) To: Benjamin Kaduk , The IESG Cc: draft-ietf-mpls-spl-terminology@ietf.org, mpls-chairs@ietf.org, mpls@ietf.org, Nicolai Leymann References: <161099948865.26975.2112849368489782217@ietfa.amsl.com> From: Loa Andersson Message-ID: <8b2dd0f2-d88a-6dfc-fd51-907a19029964@pi.nu> Date: Wed, 20 Jan 2021 13:14:55 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: <161099948865.26975.2112849368489782217@ietfa.amsl.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [mpls] Benjamin Kaduk's No Objection on draft-ietf-mpls-spl-terminology-05: (with COMMENT) X-BeenThere: mpls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-Protocol Label Switching WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Jan 2021 05:15:05 -0000 Benjamin, Inline please. On 19/01/2021 03:51, Benjamin Kaduk via Datatracker wrote: > Benjamin Kaduk has entered the following ballot position for > draft-ietf-mpls-spl-terminology-05: No Objection > > When responding, please keep the subject line intact and reply to all > email addresses included in the To and CC lines. (Feel free to cut this > introductory paragraph, however.) > > > Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html > for more information about IESG DISCUSS and COMMENT positions. > > > The document, along with other ballot positions, can be found here: > https://datatracker.ietf.org/doc/draft-ietf-mpls-spl-terminology/ > > > > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- > > A nice solid and well-written document; thanks. Just nit-level quibbles > from me... > > Section 3 > > What is the expansion of the "cSPL" term used in Figure 2? > It does not seem to be mentioned anywhere in the prose. In section 3 of version -03 of the working group document we had the following entry: o The combination of the Extension Label (XL) (value 15 which is a bSPL, but that is also called xSPL) and an eSPL is called a Composite Special Purpose Label (cSPL). It was removed in later versions. I did not notice. I think we should either - put it back; or - remove the the cSPL in figure 2 Since there are situations where we may need to talk about write descriptions where composite SPLs will be used, I think we should put it back, but this is not a strong opinion and if I'm in the rough I can live with it being removed. - > > Section 5 > > The document describes the terminology to be used when describing and > specifying the use of SPLs. It does not effect the forwarding in the > MPLS data plane, [...] > > (nit) I think we want "affect" with an "a" (though the statement is > arguably more true with the "e" version; keep reading). > Also, my instinctive response to absolute statements like "does not > affect" is to seek even the smallest of counterexamples; we do seem to > (in Section 4) now mandate that processing XL followed by 7 at the top > of the stack be "drop the packet", and it was not fully clear to me > whether that was specifically mandated in the RFC 7274 procedures (or > even whether there is something useful to do with such a packet other > than "drop" in the first place). I have long given up understanding the difference between affect and effect, but I think this is close to correct If I increase the the speed when driving it will effect the time it takes to reach the destination, time will be shorter. and If I increase the the speed when driving it will affect my passengers, they will feel more uncomfortable. If that is correct I think it should be "effect in the sentence above; if it is wrong I will not discuss it further but let the native English speakers that often have very different opinions on effect/affect discuss until the RFC Editor call consensus. > > Section 6 > > IANA is requested to change the name of the registry that today is > called "Special-Purpose MPLS Label Values" is changed to "Base > Special- Purpose MPLS Label Values". hmmm, this comment is correct text in version -03 We request that the name of the IANA registry that today is called "Special-Purpose MPLS Label Values" is changed to "Base Special- Purpose MPLS Label Values". Which is in some sense correct, but someone wanted to change to: IANA is requested to change the name of the registry that today is called "Special-Purpose MPLS Label Values" to "Base Special- Purpose MPLS Label Values". When updating the document I erroneously did not follow through with the entire update and it came out as: IANA is requested to change the name of the registry that today is called "Special-Purpose MPLS Label Values" is changed to "Base Special- Purpose MPLS Label Values". SO the new text should be: NEW TEXT IANA is requested to change the name of the registry that today is called "Special-Purpose MPLS Label Values" to "Base Special- Purpose MPLS Label Values". /Loa > > (nit) The "requested to change [...] is changed to" seems wonky, but > this has to get rewritten by the RFC Editor anyway once IANA has made > the change, so it may not be worth messing with now. > > > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert loa.pi.nu@gmail.com Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Tue Jan 19 23:23:15 2021 Return-Path: X-Original-To: mpls@ietfa.amsl.com Delivered-To: mpls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C14AC3A0A6F; Tue, 19 Jan 2021 23:23:12 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, 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