From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-x233.google.com (mail-lb0-x233.google.com [IPv6:2a00:1450:4010:c04::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id D4BD33B260; Fri, 20 May 2016 13:33:41 -0400 (EDT) Received: by mail-lb0-x233.google.com with SMTP id h1so37593189lbj.3; Fri, 20 May 2016 10:33:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=uJzL9t2cQ3v3fMRszIroDcoCOK0axqLqmJi8ZIeCHsI=; b=o0n1nRpFErxkaXzGkwxSr4ETyol85P0+e7D2wYlgG83DAJFzpE9ej5Qkq6T+pJ+ch5 blmCKe7wPOyUEQ3eNifIHiXTjSoJ4WnbPziyLje0/q+VJKMIcwDWH20wZ1SNV5YygqUi Z0YH9SG7alkwGmKkrndqn7jhqj44Pi8pSjjYo8Hs0s+xr5L1CdqQmv2lp0309hgx7nVz ncQdHtJfS+4SF5Ncvt4gdXitB3JB8AzfYX47+imdsi0spMCJCEg+7gzPD6jagGNqTnD9 0O/auUfkMa+WSkn2Iov6q1lJan7nZujyloDY+BSgnW1KJMEWg0JdDDPbYdhnKY56vSf1 lfOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=uJzL9t2cQ3v3fMRszIroDcoCOK0axqLqmJi8ZIeCHsI=; b=MXOc4ud986Kqun9PDIShGeh/J7kDlS8uG7gjEX6tps6tx86pDvGMbCivi5ztRCpQRs YTcnbaOW3kT4wAKICYVRJ6uJS37H1nfgRDPe7Y5jXhrNF5Ce5fWQBSVowcuzznsYoas/ NEMMqMH7tLlbH6sGUQ66kPqJbCkIMRZB1cMH3ybMDhJaANHzo90YBJHWHscJ1QAeotdS 3zLwrX2nHOEccURJ57iV8Bu/wLaQGE57q2TAPNIA/RC2SZlcjSvV97olSBTJOvjIsTmO KowrI9gOo10UcUshIHh1vzMc12PZySRYcU6YNdUOy6k8RyLT2kKCfKm3lWSEnHUrw0El RkPg== X-Gm-Message-State: AOPr4FUgo2NNdjFGGAC+wXSz5j6AaB6Iq3UCPRgihQcaZcjDT21ggDsNnztiussFk8HfIQ== X-Received: by 10.113.5.4 with SMTP id ci4mr1559592lbd.87.1463765620749; Fri, 20 May 2016 10:33:40 -0700 (PDT) Received: from bass.home.chromatix.fi (188-67-138-144.bb.dnainternet.fi. [188.67.138.144]) by smtp.gmail.com with ESMTPSA id j2sm3539729lfb.13.2016.05.20.10.33.39 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 20 May 2016 10:33:40 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Jonathan Morton In-Reply-To: Date: Fri, 20 May 2016 20:33:38 +0300 Cc: Rick Jones , cake@lists.bufferbloat.net, codel@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: References: <22371476-B45C-4E81-93C0-D39A67639EA0@gmx.de> <991C8B50-192E-431A-819F-F1C5954FF64F@gmx.de> <4C5D0005-2CAA-4C90-BF0D-7177874872AC@gmail.com> <573F394B.5060009@hpe.com> <26FFB878-5E6B-47B8-8DFD-A8765421655F@gmail.com> <573F42DF.9010108@hpe.com> To: David Lang X-Mailer: Apple Mail (2.3124) Subject: Re: [Cake] [Codel] Proposing COBALT X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 May 2016 17:33:42 -0000 > On 20 May, 2016, at 20:26, David Lang wrote: >=20 > iperf3 defaults to a mss of 1200 bytes, well below the MTU That=E2=80=99s not what was implied by the test run earlier. It turned = out to be producing large, heavily fragmented packets by default. Unless I=E2=80=99ve somehow completely got the wrong end of the stick. - Jonathan Morton