From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Paasch Subject: Re: TCP and reordering Date: Wed, 28 Nov 2012 09:21:52 +0100 Message-ID: <2194699.8nM4x1vIbh@cpaasch-mac> References: <20121127.210611.1127622873924794001.davem@davemloft.net> <1354089566.21562.20.camel@shinybook.infradead.org> Reply-To: Christoph Paasch Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: David Miller , saku@ytti.fi, rick.jones2@hp.com, netdev@vger.kernel.org To: David Woodhouse Return-path: Received: from mail-ea0-f174.google.com ([209.85.215.174]:47781 "EHLO mail-ea0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751519Ab2K1IV4 convert rfc822-to-8bit (ORCPT ); Wed, 28 Nov 2012 03:21:56 -0500 Received: by mail-ea0-f174.google.com with SMTP id e13so5159181eaa.19 for ; Wed, 28 Nov 2012 00:21:55 -0800 (PST) In-Reply-To: <1354089566.21562.20.camel@shinybook.infradead.org> Sender: netdev-owner@vger.kernel.org List-ID: On Wednesday 28 November 2012 07:59:26 David Woodhouse wrote: > My 'strange justification' for reordering, albeit not entirely on > purpose, is that a single ADSL line at 8Mb/s down, 448Kb/s up is less > bandwidth than I had to my dorm room 16 years ago. So I bond two of > them, and naturally expect a certain amount of reordering. You might want to have a look at MultiPath TCP [1], which allows the us= e of=20 multiple interfaces for a single TCP connection. It is somehow similar = to=20 SCTP-CMT, with the difference that MPTCP is able to pass by today's fir= ewalls=20 and NATs and does not require any modifications to the applications. E.g., you could install MPTCP on your end host and set up an HTTP-proxy= on a=20 public web hoster to terminate your MPTCP session -- as servers don't (= yet)=20 support MPTCP, you will have to terminate the MPTCP session somewhere. Cheers, Christoph [1] http://multipath-tcp.org --=20 IP Networking Lab --- http://inl.info.ucl.ac.be MultiPath TCP in the Linux Kernel --- http://mptcp.info.ucl.ac.be Universit=E9 Catholique de Louvain --