[OSPF] Fwd: New Version Notification for draft-gredler-ospf-label-advertisement-02.txt

Hannes Gredler <hannes@juniper.net> Mon, 06 May 2013 16:45 UTC

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From: Hannes Gredler <hannes@juniper.net>
Date: Mon, 06 May 2013 18:43:08 +0200
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Cc: Tom Scholl <tscholl@amazon.com>, Shane Amante <Shane.Amante@Level3.com>, Luay Jalil <luay.jalil@verizon.com>
Subject: [OSPF] Fwd: New Version Notification for draft-gredler-ospf-label-advertisement-02.txt
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Dear OSPF working group,

have posted a new version of the OSPF label advertisement draft.
the major changes between -00 to -02 are:

-support for signaling Bypass (FRR) Labels
-support for SPT labels using RFC4761 'VPLS' style label block
 advertisements. this is mainly to comply to RFC3031 which
 mandates that label allocation is a strict local procedure,
 and still not loose the comfort of getting an
 automatically provided transport mesh (similar to LDP).

 This provides similar functionality like first mentioned in
 *without* the need of an RFC 3031 architectural violation.

 The advertised label blocks allow in addition to specify a particular
 rfc4195 topology-ID and an algorithm (e.g. SPT). we got feedback
 that having a pluggable algorithm (e.g., but not limited to: MRT)
 would solve a couple of practical use cases for
 'infrastructure LSPs' in the area of make-before break, ordered FIB,

the authors are looking for feedback and suggested text changes
to improve the draft. - please help us to make it better ;-)

as a vehicle to foster open collaboration we are VCing our work in github.
feel free to clone the repository at:
send us pull requests with your suggested changes (or diffs using email);



Begin forwarded message:

> From: <internet-drafts@ietf.org>
> Subject: New Version Notification for draft-gredler-ospf-label-advertisement-02.txt
> Date: May 6, 2013 6:34:55 PM GMT+02:00
> To: Tom Scholl <tscholl@amazon.com>, Hannes Gredler <hannes@juniper.net>, Shane Amante <shane@level3.net>, Luay Jalil <luay.jalil@verizon.com>
> A new version of I-D, draft-gredler-ospf-label-advertisement-02.txt
> has been successfully submitted by Hannes Gredler and posted to the
> IETF repository.
> Filename:	 draft-gredler-ospf-label-advertisement
> Revision:	 02
> Title:		 Advertising MPLS labels in OSPF
> Creation date:	 2013-05-06
> Group:		 Individual Submission
> Number of pages: 27
> URL:             http://www.ietf.org/internet-drafts/draft-gredler-ospf-label-advertisement-02.txt
> Status:          http://datatracker.ietf.org/doc/draft-gredler-ospf-label-advertisement
> Htmlized:        http://tools.ietf.org/html/draft-gredler-ospf-label-advertisement-02
> Diff:            http://www.ietf.org/rfcdiff?url2=draft-gredler-ospf-label-advertisement-02
> Abstract:
>   Historically MPLS label distribution was driven by protocols like
>   LDP, RSVP and LBGP.  All of those protocols are session oriented.  In
>   order to obtain label binding for a given destination FEC from a
>   given router one needs first to establish an LDP/RSVP/LBGP session
>   with that router.
>   Advertising MPLS labels in IGPs
>   [I-D.gredler-rtgwg-igp-label-advertisement] describes several use
>   cases where utilizing the flooding machinery of link-state protocols
>   for MPLS label distribution allows to obtain the binding without
>   requiring to establish an LDP/RSVP/LBGP session with that router.
>   This document describes the protocol extension to distribute MPLS
>   label bindings by the OSPFv2 and OSPFv3 protocol.
> The IETF Secretariat