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Re: [Idr] WGLC is for "BGP Router Capabilities Attribute” [was: Re: WG LC for draft-ietf-idr-entropy-09 (8/29 to 9/12/2023)]

Robert Raszuk <robert@raszuk.net> Sat, 23 September 2023 22:23 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Sun, 24 Sep 2023 00:23:11 +0200
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To: Kaliraj Vairavakkalai <kaliraj=40juniper.net@dmarc.ietf.org>
Cc: Jeffrey Haas <jhaas@pfrc.org>, John Scudder <jgs=40juniper.net@dmarc.ietf.org>, "idr@ietf.org" <idr@ietf.org>, Sue Hares <shares@ndzh.com>
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Subject: Re: [Idr] WGLC is for "BGP Router Capabilities Attribute” [was: Re: WG LC for draft-ietf-idr-entropy-09 (8/29 to 9/12/2023)]
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> My speculation is that if IDR adopts the multi-next-hop work, it would be
> appropriate to include something like the work in draft-ietf-idr-entropy as
> part of the multi-next-hop proposal.  I.e., the two pieces of state should
> be tightly coupled into a single path attribute.
>
>
>
> Pls see
> https://www.ietf.org/archive/id/draft-kaliraj-idr-multinexthop-attribute-09.html#section-5.4.3.1
>
>
>
> MNH does include EL capability tightly coupled per nexthop leg in the same
> attribute.
>
> So the ELCv3 does not need to apply to the MNH. If that was the question
> being asked.
>


The question was - if MNH can signal EL why do we need ELCv3 at all. Why
don't we just use the MNH attribute instead ?

Thx,
R.

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