IETF Logo Mail Archive

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

Nick Hilliard <nick@foobar.org> Wed, 15 March 2023 21:06 UTC

Return-Path: <nick@foobar.org>
X-Original-To: idr@ietfa.amsl.com
Delivered-To: idr@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2795BC14CE38; Wed, 15 Mar 2023 14:06:03 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.9
X-Spam-Level:
X-Spam-Status: No, score=-6.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id en7EiICVifJA; Wed, 15 Mar 2023 14:06:01 -0700 (PDT)
Received: from mail.netability.ie (mail.netability.ie [46.182.8.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6375BC14CE25; Wed, 15 Mar 2023 14:04:38 -0700 (PDT)
Received: from crumpet.local (unknown [89.101.70.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.netability.ie (Postfix) with ESMTPSA id 846639CC35; Wed, 15 Mar 2023 21:04:36 +0000 (GMT)
To: Robert Raszuk <robert@raszuk.net>
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>
References: <etPan.640f456e.1281d5e1.245@futurewei.com> <BYAPR11MB32075FB5B3A0B9FF529A19ADC0BF9@BYAPR11MB3207.namprd11.prod.outlook.com> <SJ0PR02MB774487AA8915D597BD6D9914C6BF9@SJ0PR02MB7744.namprd02.prod.outlook.com> <AB52F4C3-053E-4837-AE62-C25719E6BFE8@cisco.com> <SJ0PR02MB7744E0C6101C9162BE224B03C6BF9@SJ0PR02MB7744.namprd02.prod.outlook.com> <CAOj+MMEgixrY9JsKzn8Ab33kfzNpRrFwHLWU7MO-D6YbBrrM=g@mail.gmail.com>
From: Nick Hilliard <nick@foobar.org>
Message-ID: <b86f19f5-7f32-353b-f181-dc1f26d09618@foobar.org>
Date: Wed, 15 Mar 2023 21:04:34 +0000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:52.0) Gecko/20100101 PostboxApp/7.0.59
MIME-Version: 1.0
In-Reply-To: <CAOj+MMEgixrY9JsKzn8Ab33kfzNpRrFwHLWU7MO-D6YbBrrM=g@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/6pPfR-tRagYAA_gpm-8SiOtOXVo>
Subject: Re: [Idr] One Administrative Domain using BGP (Fwd: I-D Action: draft-uttaro-idr-bgp-oad-00.txt)
X-BeenThere: idr@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: Inter-Domain Routing <idr.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/idr>, <mailto:idr-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/idr/>
List-Post: <mailto:idr@ietf.org>
List-Help: <mailto:idr-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/idr>, <mailto:idr-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 15 Mar 2023 21:06:03 -0000

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

v2.23.0 | Report a Bug | By Email