Re: [multipathtcp] potential MPTCP proxy charter item

Joe Touch <touch@isi.edu> Tue, 08 November 2016 14:51 UTC

Return-Path: <touch@isi.edu>
X-Original-To: multipathtcp@ietfa.amsl.com
Delivered-To: multipathtcp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7B497129640 for <multipathtcp@ietfa.amsl.com>; Tue, 8 Nov 2016 06:51:29 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -8.397
X-Spam-Level:
X-Spam-Status: No, score=-8.397 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RP_MATCHES_RCVD=-1.497] 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 aIvVgp-wfPHX for <multipathtcp@ietfa.amsl.com>; Tue, 8 Nov 2016 06:51:24 -0800 (PST)
Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E525B1295F2 for <multipathtcp@ietf.org>; Tue, 8 Nov 2016 06:51:24 -0800 (PST)
Received: from [192.168.1.189] (cpe-172-250-251-17.socal.res.rr.com [172.250.251.17]) (authenticated bits=0) by boreas.isi.edu (8.13.8/8.13.8) with ESMTP id uA8Ep5FH003219 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Tue, 8 Nov 2016 06:51:07 -0800 (PST)
To: mohamed.boucadair@orange.com, =?UTF-8?Q?Mirja_K=c3=bchlewind?= <mirja.kuehlewind@tik.ee.ethz.ch>, "Olivier.Bonaventure@uclouvain.be" <Olivier.Bonaventure@uclouvain.be>
References: <CCD1A987-0F3C-4775-8B0E-5232965E7E22@nokia.com> <73a1c0dd64a843a5baa645d960c82886@rew09926dag03b.domain1.systemhost.net> <b8bfd5c6-21eb-4c4f-879a-851c3a71792a@OPEXCLILM31.corporate.adroot.infra.ftgroup> <56CE164A-9A62-4B57-9CFF-33DBD45BA8B2@gmail.com> <787AE7BB302AE849A7480A190F8B933009D9CA84@OPEXCLILMA3.corporate.adroot.infra.ftgroup> <85D52AE4-FE5F-4977-8927-6BDB72614D07@gmail.com> <787AE7BB302AE849A7480A190F8B933009DAAA88@OPEXCLILMA3.corporate.adroot.infra.ftgroup> <D2630820-7586-4361-A626-3278F22C319C@gmail.com> <B7D8197F-D833-41BB-A4A4-D6F31A3B8993@tik.ee.ethz.ch> <4fceb7e5-a0b0-d4d2-8669-fad0df59095d@uclouvain.be> <C0212561-63DA-4578-9795-928B51F2A71B@tik.ee.ethz.ch> <c93d9d6b-f46b-2b11-da6b-a308159ef7c0@isi.edu> <787AE7BB302AE849A7480A190F8B933009DADEAE@OPEXCLILMA3.corporate.adroot.infra.ftgroup> <e2733084-d91a-a4b3-0c2a-9643fc456e1b@isi.edu> <787AE7BB302AE849A7480A190F8B933009DAE2DE@OPEXCLILMA3.corporate.adroot.infra.ftgroup>
From: Joe Touch <touch@isi.edu>
Message-ID: <eb573c69-835b-521b-abae-701cfd0f5317@isi.edu>
Date: Tue, 8 Nov 2016 06:51:06 -0800
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0
MIME-Version: 1.0
In-Reply-To: <787AE7BB302AE849A7480A190F8B933009DAE2DE@OPEXCLILMA3.corporate.adroot.infra.ftgroup>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
X-ISI-4-43-8-MailScanner: Found to be clean
X-MailScanner-From: touch@isi.edu
Archived-At: <https://mailarchive.ietf.org/arch/msg/multipathtcp/YPUkvX5Q7U56T0d4Ezpgp2uTb2g>
Cc: "multipathtcp@ietf.org" <multipathtcp@ietf.org>
Subject: Re: [multipathtcp] potential MPTCP proxy charter item
X-BeenThere: multipathtcp@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Multi-path extensions for TCP <multipathtcp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/multipathtcp>, <mailto:multipathtcp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/multipathtcp/>
List-Post: <mailto:multipathtcp@ietf.org>
List-Help: <mailto:multipathtcp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/multipathtcp>, <mailto:multipathtcp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 08 Nov 2016 14:51:29 -0000


On 11/8/2016 6:47 AM, mohamed.boucadair@orange.com wrote:
> Re-,
>  
> The point Joe, is that if we define the MP_CONVERT option as a TCP option or if we require EDO to be present to explicitly indicate the data offset, we are adding new failure vectors compared with the other design that leverages on MP_CAPABLE to achieve the same result.
>
> The table cites the failure cases. 
I don't understand "failure case" - are you talking about connections
that the originator needs to abort?

That's not a "failure case" of a connection; that's a failure of the
design of the option.

Joe