From owner-freebsd-net Mon Nov 4 22:10: 0 2002 Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CC36937B404 for ; Mon, 4 Nov 2002 22:09:58 -0800 (PST) Received: from web10403.mail.yahoo.com (web10403.mail.yahoo.com [216.136.130.95]) by mx1.FreeBSD.org (Postfix) with SMTP id 16AD443E6E for ; Mon, 4 Nov 2002 22:09:58 -0800 (PST) (envelope-from opolyakov@yahoo.com) Message-ID: <20021105060957.77055.qmail@web10403.mail.yahoo.com> Received: from [12.236.91.184] by web10403.mail.yahoo.com via HTTP; Mon, 04 Nov 2002 22:09:57 PST Date: Mon, 4 Nov 2002 22:09:57 -0800 (PST) From: Oleg Polyakov Subject: Re: RFC 3390: Increasing TCP's Initial Window To: freebsd-net@freebsd.org, hsu@FreeBSD.org Cc: freebsd-net@freebsd.org In-Reply-To: <0H5300HY8198ZX@mta6.snfc21.pbi.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org --- Jeffrey Hsu wrote: > >> I have patches lying around > >> that varies the initial window size from 2 to 4 depending on the MSS, > >> as specified in the RFC. > > > We could not apply those patches until we fix a bug serverside which > > increments snd_cwnd with 1 mss somewhere... > > Take a look on TCP session. > > No, no, I meant I wrote my own, which doesn't show this problem in the > traces I've examined. Just for clarification - this problem shows up on nonpatched fresh-installed system. > But, it's all rolled up into a bunch > of other congestion related stuff I'm still working on like SACK and, > more importantly, Limited Transmit, exactly because all this stuff > modifies and examines the same variables and so all the functionality > has to be tested together to make sure no part breaks any other part. Good stuff ;)) Do you plan to commit code anytime soon? --- Oleg > > Jeffrey __________________________________________________ Do you Yahoo!? HotJobs - Search new jobs daily now http://hotjobs.yahoo.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message