From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-x22a.google.com (mail-lf0-x22a.google.com [IPv6:2a00:1450:4010:c07::22a]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 44FA221F4FA for ; Mon, 2 Nov 2015 17:39:11 -0800 (PST) Received: by lfgh9 with SMTP id h9so2016870lfg.1 for ; Mon, 02 Nov 2015 17:39:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=HanQFHmPIbhX1vcDOHAKJpfN5IR8pvpGh2hKoOuViEU=; b=yu/XlS0Olo0AI4GTUQ/275iG69kI/S+K+tVgshFgGVWMH/UjvfNJLEecMDFtxt78jT oXRDDsY0n1vrVWTeGak4DG0Y+Dmy+eLfacTo+BAA1UKbfEoyStYOg2O/4l2+vQiaG1Rv qSn0dZE0IBWzIhpNO7DT0yBxIR4tiEpwUVjMGDkU0BuRUuFM6Ty24WsYHK3pl+k4p9xG NCol+RK6u2qdRlCawkUlTt5DJZjL8bDb4BOpJYIS6+fctSZIlmW0lIEC4WMQ5/1daGs8 kdqebYIgYOz54KI/dlCjJMxpq0JgZbc0mtV/h0zvr5cpJoxTwBhhl9jz77CpeM2Jj4Dk 4GlQ== X-Received: by 10.112.209.71 with SMTP id mk7mr11836351lbc.46.1446514749770; Mon, 02 Nov 2015 17:39:09 -0800 (PST) Received: from bass.home.chromatix.fi (83-245-237-115-nat-p.elisa-mobile.fi. [83.245.237.115]) by smtp.gmail.com with ESMTPSA id p198sm4456813lfe.39.2015.11.02.17.39.08 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 02 Nov 2015 17:39:09 -0800 (PST) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) From: Jonathan Morton In-Reply-To: <6A2609D9-7747-487B-9484-ECC69C50DE96@gmx.de> Date: Tue, 3 Nov 2015 03:39:06 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <87pozspckj.fsf@toke.dk> <6A2609D9-7747-487B-9484-ECC69C50DE96@gmx.de> To: Sebastian Moeller X-Mailer: Apple Mail (2.3096.5) Cc: cake@lists.bufferbloat.net Subject: Re: [Cake] Long-RTT broken again X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Nov 2015 01:39:34 -0000 > On 2 Nov, 2015, at 20:29, Sebastian Moeller wrote: >=20 > the initial commit was not as well tested as it should have been=85 Indeed, and the obvious problems with it were why I reverted it. I was = able to put in a partial implementation by other means at the same time, = but haven=92t yet had time to polish off the rough edges. The question remains why a 15MB buffer (which comfortably exceeds the = traditional FIFO rule of thumb for 1 second * 100Mbps) is apparently = insufficient according to Toke=92s tests, even with the target increased = as requested. - Jonathan Morton