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 <[e-mail]>]

Hi Jeff,

Speaking as an individual contributor, I also think next-hop-capabilit(ies)
> better reflects the proposal.
>

IMHO it would be the preferred title and name of the draft.

But then we have the (multi) next hop attribute coming up as well.

Shouldn't that work be combined ?

That said, I think painting each service route with the same attribute(s)
is a bit wasteful design at best.

It does seem to me like sooner or later we would benefit from separate next
hop state/description SAFI especially for the applications which use BGP
recursion and resolve BGP service routes via another BGP AF (example
BGP-LU), but even if the next hop reachability is carried in IGPs as we do
not want to pollute IGP link state flooding too much.

Thx,
R.


> On Sep 7, 2023, at 2:35 PM, John Scudder <jgs=[e-mail]>
> wrote:
> >
> > Hi All,
> >
> > Robert Raszuk pointed out [1] that the draft filename
> (draft-ietf-idr-entropy) doesn’t clearly reflect the title and scope of the
> spec — the title is "BGP Router Capabilities Attribute”, and indeed the
> ELCv3/Entropy Label Capability is only one example of a capability the RCA
> can contain.
> >
> > As a reminder, we ended up with this filename because the draft is a
> merger of draft-ietf-idr-next-hop-capability and
> draft-ietf-idr-entropy-label, and that was the one we picked to merge down
> to. In retrospect maybe we should have merged down to
> draft-ietf-idr-next-hop-capability instead, or even picked a third, new,
> filename.
> >
> > I’ve adjusted the subject line to spotlight this fact, because Robert
> expressed concern that WG participants might not realize what the WGLC is
> about, and I promised [2] to follow up.
> >
> > Thanks,
> >
> > —John
> >
> > [1]
> https://mailarchive.ietf.org/arch/msg/idr/lEabkTb0VjymshotgF8Ej29vVkM/
> > [2]
> https://mailarchive.ietf.org/arch/msg/idr/5XchsuIzrj5Hb4a8Ju2zG7jI_kM/
> >
>
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