Re: [multipathtcp] potential MPTCP proxy charter item

Joe Touch <touch@isi.edu> Wed, 09 November 2016 09:00 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 14FC9129517 for <multipathtcp@ietfa.amsl.com>; Wed, 9 Nov 2016 01:00:05 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.395
X-Spam-Level:
X-Spam-Status: No, score=-3.395 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, 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 e2rdorXVuovx for <multipathtcp@ietfa.amsl.com>; Wed, 9 Nov 2016 01:00:00 -0800 (PST)
Received: from nitro.isi.edu (nitro.isi.edu [128.9.208.207]) (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 A658D1294B4 for <multipathtcp@ietf.org>; Wed, 9 Nov 2016 01:00:00 -0800 (PST)
Received: from [192.168.1.158] (cpe-172-250-251-17.socal.res.rr.com [172.250.251.17]) (authenticated bits=0) by nitro.isi.edu (8.13.8/8.13.8) with ESMTP id uA98xhQI021138 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 9 Nov 2016 00:59:44 -0800 (PST)
Content-Type: multipart/alternative; boundary="Apple-Mail-18EB2339-75A2-440E-BF36-A81DA7416655"
Mime-Version: 1.0 (1.0)
From: Joe Touch <touch@isi.edu>
X-Mailer: iPad Mail (14B72)
In-Reply-To: <787AE7BB302AE849A7480A190F8B933009DAE767@OPEXCLILMA3.corporate.adroot.infra.ftgroup>
Date: Wed, 09 Nov 2016 00:59:42 -0800
Content-Transfer-Encoding: 7bit
Message-Id: <A728A74C-CB70-4B09-B44D-8D0D412505E9@isi.edu>
References: <CCD1A987-0F3C-4775-8B0E-5232965E7E22@nokia.com> <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> <00ba6ab8-8fbf-ab19-b996-b84b87ad5520@isi.edu> <F9AAAF6C-DF82-412E-9C88-9043CC1EC3AA@isi.edu> <787AE7BB302AE849A7480A190F8B933009DAE088@OPEXCLILMA3.corporate.adroot.infra.ftgroup> <ca2610f2-4f1b-5123-1e6e-697dfbe7cdc7@isi.edu> <787AE7BB302AE849A7480A190F8B933009DAE31D@OPEXCLILMA3.corporate.adroot.infra.ftgroup> <fe1856! 0f-098e-6953-55b9-f9d147b87c48@isi.edu> <787AE7BB302AE849A7480A190F8B933009DAE767@OPEXCLILMA3.corporate.adroot.infra.ftgroup>
To: mohamed.boucadair@orange.com
X-MailScanner-ID: uA98xhQI021138
X-ISI-4-69-MailScanner: Found to be clean
X-MailScanner-From: touch@isi.edu
Archived-At: <https://mailarchive.ietf.org/arch/msg/multipathtcp/Rlz_L8RYTAzTu8C0wgXUsW2SapE>
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: Wed, 09 Nov 2016 09:00:05 -0000


> 
> You've just opened a connection using a pair of ports. You sent a RST, but RSTs are not reliable. So you can't reuse that port pair until TIME-WAIT expires.
> 
> [Med] This a fair observation. Another source port number will be used for the fallback connection (if any).  
> 
That is no longer TCP.
Remember that it is not TCP that picks these ports. The OS does when the user didn't but the user can.

Joe