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 23:32 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 06C1CC14E513; Wed, 15 Mar 2023 16:32:26 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.899
X-Spam-Level:
X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_BLOCKED=0.001, 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 8b5R8yNK5f71; Wed, 15 Mar 2023 16:32:24 -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 B2E5AC1524DD; Wed, 15 Mar 2023 16:32:18 -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 8EE8A9CC3E; Wed, 15 Mar 2023 23:32:15 +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> <b86f19f5-7f32-353b-f181-dc1f26d09618@foobar.org> <CAOj+MMHV_MR+gxn6rnkrEP-e_oCr7qXBME=DHJAP6N-xgBE=0A@mail.gmail.com>
From: Nick Hilliard <nick@foobar.org>
Message-ID: <a0a678f8-6c1c-6612-7e75-dfe35769596e@foobar.org>
Date: Wed, 15 Mar 2023 23:32:14 +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+MMHV_MR+gxn6rnkrEP-e_oCr7qXBME=DHJAP6N-xgBE=0A@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/POr13D1XGH52PoQR3WUNLJNWOM8>
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 23:32:26 -0000

Robert Raszuk wrote on 15/03/2023 21:14:
> Where do you see in this draft that authors state that MED will be now
> transitive across OAD-ASNs ?

here you go:

> However, EBGP-OAD speakers are also allowed to
>    announce and receive any IBGP-only or non-transitive attributes that
>    were restricted to remain within an Autonomous System [RFC4271].

> Why would you not use AIGP instead ?

because it might be preferable to use localpref instead of MED. Here's 
the front-end UI element to support this:

> https://github.com/inex/IXP-Manager/blob/master/resources/views/interfaces/core-bundle/edit/edit-wizard.foil.php#L106-L111

This code was committed some years back.  We'd like to see this in 
production, without confeds.

Nick

v2.23.0 | Report a Bug | By Email