Re: [PWE3] Fwd: New Version Notification for draft-chen-mpls-ipv6-pw-lsp-ping-01.txt

Carlos,

Thanks for the notice to the PWE3 list. Just speaking for myself, this
looks like a very useful draft.

Cheers,
Andy

On Mon, Sep 19, 2011 at 10:55 AM, Carlos Pignataro (cpignata)
<cpignata@cisco.com> wrote:
> PWE3ers,
> FYI, as this I-D targets the MPLS WG for a home but is relevant to PWE3 as
> it defines LSP Ping IPv6 PW target FEC types.
> Please send your comments to the MPLS list.
> Thanks!
>
> Thumb typed by Carlos Pignataro.
> Excuze typofraphicak errows
> Begin forwarded message:
>
> From: Mach Chen <mach.chen@huawei.com>
> Date: September 19, 2011 6:58:48 AM GMT+05:30
> To: "mpls@ietf.org" <mpls@ietf.org>
> Cc: "ppan@infinera.com" <ppan@infinera.com>, "rajiva@cisco.com"
> <rajiva@cisco.com>, "cpignata@cisco.com" <cpignata@cisco.com>
> Subject: RE: New Version Notification for
> draft-chen-mpls-ipv6-pw-lsp-ping-01.txt
>
> Hi,
>
> We submitted a new draft that updates RFC4379 to explicitly constraint the
> existing PW FEC sub-TLVs for IPv4 LDP sessions, and extends Pseudowire LSP
> Ping (by defining two new LSP Ping sub-TLVs for IPv6 Pseudowire FECs) to the
> IPv6 scenario where an IPv6 LDP session is used to signal the Pseudowire
> (i.e., where the Sender's and Receiver's IP addresses are IPv6 addresses.)
>
> We'd appreciate that you could spend some time to read the draft
> (http://tools.ietf.org/html/draft-chen-mpls-ipv6-pw-lsp-ping-01 ) and give
> your comments!
>
> Thanks,
> Mach
>
> ----Original Message-----
>
> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org]
>
> Sent: Wednesday, August 17, 2011 11:08 AM
>
> To: Mach Chen
>
> Cc: ppan@infinera.com; rajiva@cisco.com; Mach Chen; cpignata@cisco.com
>
> Subject: New Version Notification for
> draft-chen-mpls-ipv6-pw-lsp-ping-01.txt
>
> A new version of I-D, draft-chen-mpls-ipv6-pw-lsp-ping-01.txt has been
>
> successfully submitted by Mach(Guoyi) Chen and posted to the IETF
> repository.
>
> Filename:     draft-chen-mpls-ipv6-pw-lsp-ping
>
> Revision:     01
>
> Title:         Label Switched Path (LSP) Ping for IPv6 Pseudowire FECs
>
> Creation date:     2011-08-16
>
> WG ID:         Individual Submission
>
> Number of pages: 9
>
> Abstract:
>
>   Multi-Protocol Label Switching (MPLS) Label Switched Path (LSP) Ping
>
>   and Traceroute mechanisms are commonly used to detect and isolate
>
>   data plane failures in all MPLS LSPs including Pseudowire (PW) LSPs.
>
>   The PW LSP Ping and Traceroute elements, however, are not specified
>
>   for IPv6 address usage.
>
>   Specifically, the Pseudowire FEC sub-TLVs for the Target FEC Stack in
>
>   the LSP Ping and Traceroute mechanism are implicitly defined only for
>
>   IPv4 Provider Edge (PEs) routers, and are not applicable for the case
>
>   where PEs use IPv6 addresses.  There is, additionally, a degree of
>
>   potential ambiguity in the specification of these sub-TLVs since the
>
>   address family is not explicitly specified but it is to be inferred
>
>   from the sub-TLV length.
>
>   This document updates RFC4379 to explicitly constraint these existing
>
>   PW FEC sub-TLVs for IPv4 LDP sessions, and extends Pseudowire LSP
>
>   Ping to the IPv6 scenario where an IPv6 LDP session is used to signal
>
>   the Pseudowire (i.e., where the Sender's and Receiver's IP addresses
>
>   are IPv6 addresses.)  This is done by defining two new LSP Ping sub-
>
>   TLVs for IPv6 Pseudowire FECs.
>
>
>
>
>
> The IETF Secretariat
>
>
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>
>