From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] TCP cubic v2.2 Date: Tue, 04 Mar 2008 14:18:23 -0800 (PST) Message-ID: <20080304.141823.238894086.davem@davemloft.net> References: <20080228223148.01a7cbae@extreme> <00a801c87ad7$7db74820$4a580e98@ncsu2cc0c3fa00> <20080304115740.63f8fa7c@extreme> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: rhee@eos.ncsu.edu, sha2@ncsu.edu, netdev@vger.kernel.org To: shemminger@vyatta.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:36706 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753339AbYCDWSc (ORCPT ); Tue, 4 Mar 2008 17:18:32 -0500 In-Reply-To: <20080304115740.63f8fa7c@extreme> Sender: netdev-owner@vger.kernel.org List-ID: From: Stephen Hemminger Date: Tue, 4 Mar 2008 11:57:40 -0800 > We have updated CUBIC to fix some issues with slow increase in large BDP > networks. We also improved its convergence speed. The fix is in fact very > simple -- the window increase limit of smax during the window probing phase > (i.e., convex growth phase) is removed. We found that this does not affect > TCP friendliness, but only improves its scalability. We have run some tests > in our lab and also over the Internet path from NCSU to Japan. These results > can be seen from the following page: > > > http://netsrv.csc.ncsu.edu/wiki/index.php/Intra_protocol_fairness_testing_with_linux-2.6.23.9 > http://netsrv.csc.ncsu.edu/wiki/index.php/RTT_fairness_testing_with_linux-2.6.23.9 > http://netsrv.csc.ncsu.edu/wiki/index.php/TCP_friendliness_testing_with_linux-2.6.23.9 > > Signed-off-by: Sangtae Ha > Signed-off-by: Stephen Hemminger I've applied this to net-2.6.26, thanks!