Re: [Idr] Mirja Kühlewind's No Objection on draft-ietf-idr-ix-bgp-route-server-11: (with COMMENT)

Randy Bush <randy@psg.com> Fri, 24 June 2016 20:05 UTC

Return-Path: <randy@psg.com>
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 94BBD12D608 for <idr@ietfa.amsl.com>; Fri, 24 Jun 2016 13:05:26 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -8.326
X-Spam-Level:
X-Spam-Status: No, score=-8.326 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RP_MATCHES_RCVD=-1.426] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8jGSDVn6pHM3 for <idr@ietfa.amsl.com>; Fri, 24 Jun 2016 13:05:25 -0700 (PDT)
Received: from ran.psg.com (ran.psg.com [IPv6:2001:418:8006::18]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4D05012D589 for <idr@ietf.org>; Fri, 24 Jun 2016 13:05:25 -0700 (PDT)
Received: from localhost ([127.0.0.1] helo=ryuu.psg.com) by ran.psg.com with esmtp (Exim 4.82) (envelope-from <randy@psg.com>) id 1bGXLt-00080S-WD; Fri, 24 Jun 2016 20:05:22 +0000
Date: Fri, 24 Jun 2016 22:05:21 +0200
Message-ID: <m2twgiuzcu.wl%randy@psg.com>
From: Randy Bush <randy@psg.com>
To: Nick Hilliard <nick@foobar.org>
In-Reply-To: <576D8CE9.8070305@foobar.org>
References: <0DE7AB8E-4CFD-44C5-898F-47F48B542599@kuehlewind.net> <575F2704.3050509@foobar.org> <m237ogo5w1.wl%randy@psg.com> <CAL9jLaaCa9aUOw0HUfyrt05GTYL+yGZum1M=3_4r_E0nx4PqJg@mail.gmail.com> <A65A6088-433D-4200-B098-B2FFEB0A45CD@psg.com> <CAL9jLabgF=h9wSg4GoDoJiT76HcKK2DhpJv=ZxLws7LSs8RN3g@mail.gmail.com> <575FD94E.8030606@foobar.org> <m2inxckqr8.wl%randy@psg.com> <575FF3B9.3080501@foobar.org> <m2ziqnk8b1.wl%randy@psg.com> <20160620131112.GE2950@pfrc.org> <576D8CE9.8070305@foobar.org>
User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/22.3 Mule/5.0 (SAKAKI)
MIME-Version: 1.0 (generated by SEMI 1.14.7 - "Harue")
Content-Type: text/plain; charset=US-ASCII
Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/Tc8ZEbfVgT8-qSdAjZaUF42teJw>
Cc: idr wg <idr@ietf.org>, Mirja Kuehlewind <ietf@kuehlewind.net>
Subject: Re: [Idr] =?iso-8859-1?q?Mirja_K=FChlewind=27s_No_Objection_on_draft-?= =?iso-8859-1?q?ietf-idr-ix-bgp-route-server-11=3A_=28with_COMMENT=29?=
X-BeenThere: idr@ietf.org
X-Mailman-Version: 2.1.17
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: Fri, 24 Jun 2016 20:05:26 -0000

> the intent is to acknowledge that there are some bgp stacks which cannot
> handle leftmost as != peer as when acting as an rs client. Mostly these
> stacks are legacy, but there are still some bgp implementations which
> don't support this feature on the client side, even though the client
> side part is mandated further down the paragraph.
> 
> If the SHOULD is changed to MUST, then the IXP operator will not be able
> to provide RS service to clients like this.  This is not a helpful thing
> to do from a operational point of view.

though i have little sympathy for folk who want to connect broken home
appliances to exchanges, at least thie answers the AD's question.

randy