Re: Turning routers into hosts (Re: Death by extension header

Nick Hilliard <nick@foobar.org> Wed, 15 July 2020 14:27 UTC

Return-Path: <nick@foobar.org>
X-Original-To: ipv6@ietfa.amsl.com
Delivered-To: ipv6@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 448F83A0BE7 for <ipv6@ietfa.amsl.com>; Wed, 15 Jul 2020 07:27:48 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.901
X-Spam-Level:
X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] 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 d8R3x1i9kpX3 for <ipv6@ietfa.amsl.com>; Wed, 15 Jul 2020 07:27:46 -0700 (PDT)
Received: from mail.netability.ie (mail.netability.ie [IPv6:2a03:8900:0:100::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 873513A0B24 for <6man@ietf.org>; Wed, 15 Jul 2020 07:27:45 -0700 (PDT)
X-Envelope-To: 6man@ietf.org
Received: from cupcake.local (089-101-195156.ntlworld.ie [89.101.195.156] (may be forged)) (authenticated bits=0) by mail.netability.ie (8.15.2/8.15.2) with ESMTPSA id 06FERO9s069752 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 15 Jul 2020 15:27:25 +0100 (IST) (envelope-from nick@foobar.org)
X-Authentication-Warning: cheesecake.ibn.ie: Host 089-101-195156.ntlworld.ie [89.101.195.156] (may be forged) claimed to be cupcake.local
Subject: Re: Turning routers into hosts (Re: Death by extension header
To: Toerless Eckert <tte@cs.fau.de>
Cc: Warren Kumari <warren@kumari.net>, "6man@ietf.org" <6man@ietf.org>, Fernando Gont <fernando@gont.com.ar>
References: <CAO42Z2zMsYm8SaZM34z7Qm+90iFx75qQMo8=67=N7woqQEvO7w@mail.gmail.com> <52b31fcb-4160-97ca-ae0e-e855ca0af382@gmail.com> <CAHw9_i+7Zhksv_3Z8QYEQTLATC2_5yz4NHAup=r_Gm4Z2zeF5g@mail.gmail.com> <20200714044039.GL38490@faui48f.informatik.uni-erlangen.de>
From: Nick Hilliard <nick@foobar.org>
Message-ID: <e5488fb2-e410-e9a3-e131-ca8cc9ab7a2d@foobar.org>
Date: Wed, 15 Jul 2020 15:27:23 +0100
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:52.0) Gecko/20100101 PostboxApp/7.0.23
MIME-Version: 1.0
In-Reply-To: <20200714044039.GL38490@faui48f.informatik.uni-erlangen.de>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-GB
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/D6HNxnAI8YTzNtW56CevJPSdsjk>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ipv6/>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 15 Jul 2020 14:27:48 -0000

Toerless Eckert wrote on 14/07/2020 05:40:
> If smoking out routers with slow path is still a thing,
> i guess there must be some redeeming gratification in it.

If you know of any kit impervious to corner cases, please speak up!

Nick