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Re: [Idr] One Administrative Domain using BGP (Fwd: I-D Action: draft-uttaro-idr-bgp-oad-00.txt)

Robert Raszuk <robert@raszuk.net> Wed, 15 March 2023 21:15 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Wed, 15 Mar 2023 22:14:52 +0100
Message-ID: <CAOj+MMHV_MR+gxn6rnkrEP-e_oCr7qXBME=DHJAP6N-xgBE=0A@mail.gmail.com>
To: Nick Hilliard <nick@foobar.org>
Cc: "UTTARO, JAMES" <ju1738@att.com>, Alvaro Retana <alvaro.retana@futurewei.com>, "idr@ietf.org" <idr@ietf.org>, "draft-uttaro-idr-bgp-oad@ietf.org" <draft-uttaro-idr-bgp-oad@ietf.org>
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Subject: Re: [Idr] One Administrative Domain using BGP (Fwd: I-D Action: draft-uttaro-idr-bgp-oad-00.txt)
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> I'd like to move away from using confederations for this, but would like
> to retain transitive MEDs.

Where do you see in this draft that authors state that MED will be now
transitive across OAD-ASNs ?

Why would you not use AIGP instead ?

Thx,
R.


On Wed, Mar 15, 2023 at 10:04 PM Nick Hilliard <nick@foobar.org> wrote:

> Robert Raszuk wrote on 15/03/2023 20:54:
> > Take a simple case of IXP and RS hop for starter. Physically at the data
> > plane you can claim continuity, but in respect to the control plane you
> > can not.
>
> Didn't Jim just rule this situation as out of scope for this draft?
>
> > The middle AS is not part of the same administrative authority, so the
> draft does not apply.
>
> The fact that the IXP RS is not visible to other AS's doesn't stop it
> being an AS in the middle, i.e. it is not part of the same
> administrative authority.
>
> Robert Raszuk wrote on 15/03/2023 20:54:
> > Can you list few functional benefits not possible today ?
>
> e.g. in-house DC interconnection meshes using ebgp, ala rfc7938. As you
> mention IXPs, here's an example:
>
> >
> https://github.com/inex/ixp-manager-provisioning/blob/master/napalm/templates/arista-eos/configure_bgp.j2
>
> I'd like to move away from using confederations for this, but would like
> to retain transitive MEDs.
>
> Nick
>

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