Re: [Lsr] I-D Action: draft-ietf-isis-te-app-09.txt

"Les Ginsberg (ginsberg)" <ginsberg@cisco.com> Wed, 30 October 2019 17:07 UTC

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From: "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>
To: "lsr@ietf.org" <lsr@ietf.org>
Thread-Topic: [Lsr] I-D Action: draft-ietf-isis-te-app-09.txt
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Date: Wed, 30 Oct 2019 17:07:25 +0000
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Subject: Re: [Lsr] I-D Action: draft-ietf-isis-te-app-09.txt
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Folks -

We noticed an inconsistency between this draft and draft-ietf-ospf-te-link-attr-reuse.

The OSPF draft treated both Maximum Reservable Link Bandwidth and Unreserved  Bandwidth as RSVP specific attributes. The IS-IS draft only mentioned Unreserved Bandwidth in this regard.

That oversight has now been corrected.

   Les



> -----Original Message-----
> From: Lsr <lsr-bounces@ietf.org>; On Behalf Of internet-drafts@ietf.org
> Sent: Wednesday, October 30, 2019 10:00 AM
> To: i-d-announce@ietf.org
> Cc: lsr@ietf.org
> Subject: [Lsr] I-D Action: draft-ietf-isis-te-app-09.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Link State Routing WG of the IETF.
> 
>         Title           : IS-IS TE Attributes per application
>         Authors         : Les Ginsberg
>                           Peter Psenak
>                           Stefano Previdi
>                           Wim Henderickx
>                           John Drake
> 	Filename        : draft-ietf-isis-te-app-09.txt
> 	Pages           : 18
> 	Date            : 2019-10-30
> 
> Abstract:
>    Existing traffic engineering related link attribute advertisements
>    have been defined and are used in RSVP-TE deployments.  Since the
>    original RSVP-TE use case was defined, additional applications (e.g.,
>    SRTE, LFA) have been defined which also make use of the link
>    attribute advertisements.  In cases where multiple applications wish
>    to make use of these link attributes the current advertisements do
>    not support application specific values for a given attribute nor do
>    they support indication of which applications are using the
>    advertised value for a given link.
> 
>    This draft introduces new link attribute advertisements which address
>    both of these shortcomings.  It also discusses backwards
>    compatibility issues and how to minimize duplicate advertisements in
>    the presence of routers which do not support the extensions defined
>    in this document.
> 
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-isis-te-app/
> 
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-isis-te-app-09
> https://datatracker.ietf.org/doc/html/draft-ietf-isis-te-app-09
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-isis-te-app-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/
> 
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