< draft-hao-bess-mcast-auto-nvo3-00.txt		draft-hao-bess-mcast-auto-nvo3-01.txt >
	BESS W. Hao		BESS W. Hao
	Y. Li		Y. Li
	L. Wang		L. Wang
	Internet Draft Huawei Technologies Ltd.		Internet Draft Huawei Technologies Ltd.
	Intended status: Standards Track		Intended status: Standards Track
	Expires: December 2015 June 5, 2015		Expires: September 2016 March 8, 2016
	Multicast Group Address Auto-Provisioning For NVO3 Network		Multicast Group Address Auto-Provisioning For NVO3 Network
	draft-hao-bess-mcast-auto-nvo3-00.txt		draft-hao-bess-mcast-auto-nvo3-01.txt
	Abstract		Abstract
	This document provides dynamic underlay multicast group address		This document provides dynamic underlay multicast group address
	provisioning mechanism for each VNI or combination of VNI and		provisioning mechanism for each VNI or combination of VNI and
	overlay multicast group address. The underlay multicast group		overlay multicast group address. The underlay multicast group
	address allocation function is provided on NVA(centralized point),		address allocation function is provided on NVA(centralized point),
	NVE communicates with NVA using BGP protocol extension.		NVE communicates with NVA using BGP protocol extension.
	Status of this Memo		Status of this Memo
	skipping to change at page 1, line 43 ¶		skipping to change at page 1, line 43 ¶
	reference material or to cite them other than as "work in progress."		reference material or to cite them other than as "work in progress."
	The list of current Internet-Drafts can be accessed at		The list of current Internet-Drafts can be accessed at
	http://www.ietf.org/1id-abstracts.html		http://www.ietf.org/1id-abstracts.html
	The list of Internet-Draft Shadow Directories can be accessed at		The list of Internet-Draft Shadow Directories can be accessed at
	http://www.ietf.org/shadow.html.		http://www.ietf.org/shadow.html.
	Copyright Notice		Copyright Notice
	Copyright (c) 2015 IETF Trust and the persons identified as the		Copyright (c) 2016 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents		Provisions Relating to IETF Documents
	(http://trustee.ietf.org/license-info) in effect on the date of		(http://trustee.ietf.org/license-info) in effect on the date of
	publication of this document. Please review these documents		publication of this document. Please review these documents
	carefully, as they describe your rights and restrictions with		carefully, as they describe your rights and restrictions with
	respect to this document. Code Components extracted from this		respect to this document. Code Components extracted from this
	document must include Simplified BSD License text as described in		document must include Simplified BSD License text as described in
	Section 4.e of the Trust Legal Provisions and are provided without		Section 4.e of the Trust Legal Provisions and are provided without
	skipping to change at page 3, line 27 ¶		skipping to change at page 3, line 27 ¶
	P-multicast tree. Each bidirectional P-multicast tree corresponds to		P-multicast tree. Each bidirectional P-multicast tree corresponds to
	one P-Multicast group address.		one P-Multicast group address.
	To transport overlay BUM(broadcast, unknown unicast and multicast)		To transport overlay BUM(broadcast, unknown unicast and multicast)
	traffic, we need to have a mapping between the VNI/VNI plus C-		traffic, we need to have a mapping between the VNI/VNI plus C-
	Multicast group and the P-Multicast group that it will use. The		Multicast group and the P-Multicast group that it will use. The
	overlay multicast group is called C-Multicast group. There are		overlay multicast group is called C-Multicast group. There are
	multiple mapping methods as follows:		multiple mapping methods as follows:
	1. Dedicated inclusive tree. In this case, a multicast tree is		1. Dedicated inclusive tree. In this case, a multicast tree is
	dedicated to a VNI, a separate underlay multicast group address		dedicated to a VNI, a separate underlay multicast group address is
	is allocated for each VNI.		allocated for each VNI.
	2. Aggregate inclusive tree. In this case, a multicast tree is		2. Aggregate inclusive tree. In this case, a multicast tree is shared
	shared by multiple VNIs, a shared multicast group address is		by multiple VNIs, a shared multicast group address is allocated
	allocated for multiple VNIs.		for multiple VNIs.
	3. Dedicated selective tree. In this case, a multicast tree is		3. Dedicated selective tree. In this case, a multicast tree is
	dedicated to a combination of VNI plus overlay multicast group, a		dedicated to a combination of VNI plus overlay multicast group, a
	separate underlay multicast group address is allocated for a		separate underlay multicast group address is allocated for a
	combination.		combination.
	4. Aggregate selective tree. In this case, a multicast tree is shared		4. Aggregate selective tree. In this case, a multicast tree is shared
	by multiple combinations of VNI plus overlay multicast group, a		by multiple combinations of VNI plus overlay multicast group, a
	shared underlay multicast group address is allocated for multiple		shared underlay multicast group address is allocated for multiple
	combinations.		combinations.
	skipping to change at page 6, line 37 ¶		skipping to change at page 6, line 37 ¶
	This Extended Community is a new transitive Extended Community		This Extended Community is a new transitive Extended Community
	having a Type field value of 0x06 and the Sub-Type TBD. It may be		having a Type field value of 0x06 and the Sub-Type TBD. It may be
	advertised along with Inclusive Multicast Ethernet Tag Routes or		advertised along with Inclusive Multicast Ethernet Tag Routes or
	Selective Multicast Ethernet Tag Route.		Selective Multicast Ethernet Tag Route.
	Each P-Multicast Allocation extended community is encoded as an 8-		Each P-Multicast Allocation extended community is encoded as an 8-
	octet value, as follows:		octet value, as follows:
	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		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
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type=0x06 | Sub-Type=TBD |G|R| Reserved=0 |		| Type=0x06 | Sub-Type=TBD |G|R| Reserved=0 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Reserved=0 |		| Reserved=0 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	The "G" bit of 1 indicates "Request" message. The "R" bit of 1		The "G" bit of 1 indicates "Request" message. The "R" bit of 1
	indicates "Reply" message.		indicates "Reply" message.
	5. Security Considerations		5. Security Considerations
	NVA processes all NVE's P-Multicast group address allocation request		NVA processes all NVE's P-Multicast group address allocation request
	message, it is vulnerable for attacking by inappropriate NVE in data		message, it is vulnerable for attacking by inappropriate NVE in data
	center. NVE's identity should be strictly inspected on NVA, possible		center. NVE's identity should be strictly inspected on NVA, possible
	security solution need to be further researched.		security solution need to be further researched.
End of changes. 7 change blocks.
	14 lines changed or deleted		14 lines changed or added
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