From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f175.google.com (mail-wi0-f175.google.com [209.85.212.175]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id D11A7201044 for ; Sat, 7 Apr 2012 10:44:56 -0700 (PDT) Received: by wibhn6 with SMTP id hn6so1175545wib.10 for ; Sat, 07 Apr 2012 10:44:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; bh=NHr0qh9oYpnQxxDDZ9tIWSvyScKpRHT0tzCyIdZqvsM=; b=hzLMN0du19yE1mS7cVk26I4OrkU+gLqLbEvAkxrpb2N/yVWBIBJCqAhmo6Rq7F/Z52 sAFzUvUFhNfVVOZcKvrVZkZOW1iwMbmsi/DJqFvA3in5N3Mk+jTuuh06HJe/hnZJXUbU l2CAtWN3EGtAsV+YV8lwKgm3rCisOcsXc12x+XaL/OeHS0zi14Z4D2VNjJQ/7zqsCniI 7ufkSSuyFQStfGo3qRBKYHrRVruaQr46NsDWZv1VR7LFmM5IYR4NUExJikb06dsfooGH ELEpXLN4+SCJPUYre5K1ZwY3LFB1guvZ7l9MCmoyGI/XBrioOiu0uKk77t2k3Fb+48GB RuLA== Received: by 10.216.203.146 with SMTP id f18mr1115497weo.21.1333820694905; Sat, 07 Apr 2012 10:44:54 -0700 (PDT) Received: from [192.168.1.14] (xdsl-83-150-84-172.nebulazone.fi. [83.150.84.172]) by mx.google.com with ESMTPS id k6sm16219729wie.9.2012.04.07.10.44.53 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 07 Apr 2012 10:44:54 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Jonathan Morton In-Reply-To: Date: Sat, 7 Apr 2012 20:44:52 +0300 Content-Transfer-Encoding: quoted-printable Message-Id: <321DFAC8-0EB1-4A9E-AC80-CFA6F198F007@gmail.com> References: <20120406213725.GA12641@uio.no> <20120406222138.GB12641@uio.no> <1333811327.30705.4.camel@edumazet-laptop> <20120407153548.GC21452@uio.no> To: Dave Taht X-Mailer: Apple Mail (2.1084) Cc: bloat@lists.bufferbloat.net Subject: Re: [Bloat] Best practices for paced TCP on Linux? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Apr 2012 17:44:57 -0000 On 7 Apr, 2012, at 8:18 pm, Dave Taht wrote: > the captures are up at: >=20 > http://huchra.bufferbloat.net/~d/captures/gathering/ >=20 > The tcp stream was interestingly periodic... ...and indicates a congestion window growing to a half megabyte. Ouch. I used the TCP Optimiser tool from speedguide.net to turn off window = scaling on the Windows box. This forcibly limits the window size to = 64K. It seems to be behaving a lot better after doing that. - Jonathan=