Re: [Isis-wg] New Version Notification for draft-ginsberg-isis-te-app-03.txt

Peter Psenak <ppsenak@cisco.com> Wed, 21 June 2017 08:08 UTC

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Date: Wed, 21 Jun 2017 10:08:09 +0200
From: Peter Psenak <ppsenak@cisco.com>
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To: stephane.litkowski@orange.com, "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>, "isis-wg@ietf.org" <isis-wg@ietf.org>
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Subject: Re: [Isis-wg] New Version Notification for draft-ginsberg-isis-te-app-03.txt
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Hi Stephane,

On 21/06/17 09:42 , stephane.litkowski@orange.com wrote:
> Hi Les,
>
> The proposal has a better shape. Still two comments:
> - As mentioned earlier, please precise that LFA means any flavor of LFA (LFA,rLFA,dLFA,TILFA...).

I would just say any flavor of LFA. Not all LFA types are defined in 
IETF documents.

> - I would also like to see that "standard" applications may also use UDAs instead of the standard bit and possibility two sets of attributes (two UDAs or 1 std + 1 UDA): one example could be having an SR-TE tunnel using a particular set of attributes, and another SR-TE tunnel using another set of attributes.

nobody is preventing you to do that. You can map any application to a 
UDA bits.

thanks,
Peter

>
> Brgds,
>
> Stephane
>
> -----Original Message-----
> From: Isis-wg [mailto:isis-wg-bounces@ietf.org] On Behalf Of Les Ginsberg (ginsberg)
> Sent: Tuesday, June 20, 2017 16:30
> To: isis-wg@ietf.org
> Subject: [Isis-wg] FW: New Version Notification for draft-ginsberg-isis-te-app-03.txt
>
> Folks -
>
> This new version adds support for using a set of link attribute advertisements for ANY application - something which the OSPF companion draft (draft-ppsenak-ospf-te-link-attr-reuse) supports.
> It also aligns the encoding so that is similar to that defined in the OSPF draft.
>
>      Les
>
>
> -----Original Message-----
> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org]
> Sent: Tuesday, June 20, 2017 7:17 AM
> To: Wim Henderickx; Stefano Previdi; Peter Psenak (ppsenak); Les Ginsberg (ginsberg)
> Subject: New Version Notification for draft-ginsberg-isis-te-app-03.txt
>
>
> A new version of I-D, draft-ginsberg-isis-te-app-03.txt has been successfully submitted by Les Ginsberg and posted to the IETF repository.
>
> Name:		draft-ginsberg-isis-te-app
> Revision:	03
> Title:		IS-IS TE Attributes per application
> Document date:	2017-06-20
> Group:		Individual Submission
> Pages:		15
> URL:            https://www.ietf.org/internet-drafts/draft-ginsberg-isis-te-app-03.txt
> Status:         https://datatracker.ietf.org/doc/draft-ginsberg-isis-te-app/
> Htmlized:       https://tools.ietf.org/html/draft-ginsberg-isis-te-app-03
> Htmlized:       https://datatracker.ietf.org/doc/html/draft-ginsberg-isis-te-app-03
> Diff:           https://www.ietf.org/rfcdiff?url2=draft-ginsberg-isis-te-app-03
>
> Abstract:
>     Existing traffic engineering related link attribute advertisements
>     have been defined and are used in RSVP-TE deployments.  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.
>
>
>
>
>
> 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.
>
> The IETF Secretariat
>
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