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From: Autumn Liu <autumn.liu@ericsson.com>
To: Julien Meuric <julien.meuric@orange-ftgroup.com>,
 Sriganesh Kini <sriganesh.kini@ericsson.com>
Date: Mon, 26 Jul 2010 14:30:17 -0400
Thread-Topic: [mpls] Updated drafts - draft-kini-mpls-ring-frr-facility-backup,
 draft-kini-mpls-fast-lsp-alert
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Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Updated drafts - draft-kini-mpls-ring-frr-facility-backup,
 draft-kini-mpls-fast-lsp-alert
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Hi Julien,

draft-kini-mpls-ring-frr-facility-backup describes a mechanism to let the p=
rimary LSP be aware of what the bypass LSP for corresponding protected faci=
lity. If my understanding is correct, the association mechanism defined in =
4872 is used to associate the primary and backup LSPs. This is not good eno=
ugh for the problem the draft is trying to address since each link/node alo=
ng the primary LSP may have different bypass LSPs.

Regards,
Autumn


-----Original Message-----
From: mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] On Behalf Of Jul=
ien Meuric
Sent: Monday, July 26, 2010 10:40 AM
To: Sriganesh Kini
Cc: mpls@ietf.org
Subject: Re: [mpls] Updated drafts - draft-kini-mpls-ring-frr-facility-back=
up, draft-kini-mpls-fast-lsp-alert

Hi Sriganesh.

The mechanism described in draft-kini-mpls-ring-frr-facility-backup
reminds me of end to end recovery (or more specifically end to end protecti=
on), as enabled by RFC 4872. That is all the more similar because the assoc=
iation mechanism is already defined in there, with a dedicated RSVP-TE obje=
ct. RFC 4872 is Standard Track: is there any rational for not considering i=
t?

Regards,

Julien


Le 26/07/2010 18:59, Sriganesh Kini a =E9crit :
> FYI - These updated version of these drafts were presented today at=20
> IETF78.
> http://tools.ietf.org/html/draft-kini-mpls-ring-frr-facility-backup-01
> http://tools.ietf.org/html/draft-kini-mpls-fast-lsp-alert-01
> Thanks
>
> - Sri
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>   =20
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