From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: FYI - TCP/IP thin stream latency Date: Wed, 29 Oct 2008 11:13:16 -0700 Message-ID: <4908A7BC.1060905@hp.com> References: <20081022.221410.139436406.davem@davemloft.net> <20081024075938.0dddb745@extreme> <20081028.221351.172447876.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: shemminger@vyatta.com, ilpo.jarvinen@helsinki.fi, doug.leith@nuim.ie, netdev@vger.kernel.org To: David Miller Return-path: Received: from g1t0027.austin.hp.com ([15.216.28.34]:30439 "EHLO g1t0027.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752774AbYJ2SNW (ORCPT ); Wed, 29 Oct 2008 14:13:22 -0400 In-Reply-To: <20081028.221351.172447876.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: David Miller wrote: > From: Stephen Hemminger > Date: Fri, 24 Oct 2008 07:59:38 -0700 > > >>I was reading "Removing Exponential Backoff from TCP" by Mondal and >>Kusmznovic at Northwesetern in ACM CCR. The paper tries to show that >>nothing breaks by getting rid of backoff. Interestingly, FreeBSD >>already doesn't do backoff until after 5th retry. > > > Cell phone network folks want this (or something like it) too. Wouldn't one get that by being able to tune TCP_RTO_MAX on some sort of basis (per dest perhaps)? rick jones