Re: [Pce] Query on Usage of LSP Identifier TLV in SR

Julien Meuric <julien.meuric@orange.com> Tue, 13 October 2015 09:07 UTC

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To: Girish Birajdar <girish134@gmail.com>
References: <23CE718903A838468A8B325B80962F9B8C421A83@BLREML509-MBX.china.huawei.com> <CAJO-zKeE-5L8pM-x-8U=VgzuLPZRxmgxf=Q4Co4x-576QoxVYw@mail.gmail.com>
From: Julien Meuric <julien.meuric@orange.com>
Organization: Orange
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Date: Tue, 13 Oct 2015 11:07:53 +0200
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Subject: Re: [Pce] Query on Usage of LSP Identifier TLV in SR
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Hi Girish,

Due to the very different levels of maturity between stateful-pce and 
MBB I-Ds, we do not see them merging. MBB I-D was very briefly discussed 
on the list a while ago, we do not know what the plans of the authors are...

Regards,

Julien


Oct. 12, 2015 - girish134@gmail.com:
>
> piggy backing on Dhruv email ...
>
> During PCUpdate for SR LSP -  MBB process mentioned in 
> draft-tanaka-pce-stateful-pce-mbb applicable? The MBB draft has 
> expired, will it be incorporated in stateful-pce draft?
>
> Thanks,
> Girish
>
> On Sun, Oct 11, 2015 at 10:58 PM, Dhruv Dhody <dhruv.dhody@huawei.com 
> <mailto:dhruv.dhody@huawei.com>> wrote:
>
>     Hi Authors,
>
>     In the stateful PCE draft [1], it says –
>
>     The LSP Identifiers TLV MUST be included in the LSP object in PCRpt
>
>     messages for RSVP-signaled LSPs.
>
>     The SR draft [2] did not mention anything about LSP Identifier TLV.
>
>     And in implementations that I am aware of, SR-TE LSP still uses
>     the LSP-Identifier TLV. Is that correct? (I personally think so!!)
>
>     If yes, do you think there is a need to update –
>
>     -[1] to say all LSPs (and not just RSVP-signaled).
>
>     -Or [2] to say that LSP-Identifier TLV are also applicable to SR
>     and MUST be included.
>
>     Thanks!
>
>     Dhruv
>
>     [1]
>     https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-11#section-7.3.1
>
>     [2] http://datatracker.ietf.org/doc/draft-ietf-pce-segment-routing/
>
>
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