From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nivedita Singhvi Subject: Re: 2.6.10 TCP troubles -- suggested patch Date: Sat, 12 Feb 2005 13:27:50 -0800 Message-ID: <420E74D6.3020100@us.ibm.com> References: <0525M9211@server5.heliogroup.fr> <420D37A3.6020209@hp.com> <20050211170958.17fcde21.davem@davemloft.net> <20050212143105.GB27456@yakov.inr.ac.ru> <86de38db09518ced8865af09cd79c064@hp.com> <20050212205617.GA29146@yakov.inr.ac.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: rick jones , netdev@oss.sgi.com, romieu@fr.zoreil.com, hubert.tonneau@fullpliant.org, shemminger@osdl.org To: Alexey Kuznetsov In-Reply-To: <20050212205617.GA29146@yakov.inr.ac.ru> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Alexey Kuznetsov wrote: > If receiver sent an ACK it still does not mean that sender used it > to increase its cwnd. Particularly, small packet exchange definitely > does not inflate cwnd. Simplest way to go about this is simply compare it to the trace of the "good/fast" connection - Hubert, could you provide the "good" trace as well? That would show where the differences in time are taken up.. thanks, Nivedita