From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bifrost.lang.hm (lang.hm [66.167.227.134]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 5C7353B260 for ; Wed, 3 Aug 2016 15:48:58 -0400 (EDT) Received: from asgard.lang.hm (asgard.lang.hm [10.0.0.100]) by bifrost.lang.hm (8.13.4/8.13.4/Debian-3) with ESMTP id u73Jmlt9032639; Wed, 3 Aug 2016 12:48:47 -0700 Date: Wed, 3 Aug 2016 12:48:47 -0700 (PDT) From: David Lang X-X-Sender: dlang@asgard.lang.hm To: Loganaden Velvindron cc: moeller0 , cake@lists.bufferbloat.net In-Reply-To: Message-ID: References: <35967373-D9F6-4C0C-8005-787DB8C7B1BB@gmx.de> <7ECE7E7A-0310-4DC4-8AC9-29B0F1F2E383@gmx.de> <4F22259A-17C8-4353-B34B-55D7E194D1EB@gmx.de> <43469614-F02B-4D9B-8D0E-14D0F4211CF1@gmail.com> <0B5FF17F-817F-4993-826D-DE55387D8D91@gmx.de> <001B301F-5F3D-4751-A252-ED67021B0BC2@gmx.de> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Subject: Re: [Cake] fq_codel on 3g network in Mauritius 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: Wed, 03 Aug 2016 19:48:58 -0000 On Wed, 3 Aug 2016, Loganaden Velvindron wrote: > My conclusion from playing with fq_codel, cake, and txqueuelen 0 hacks > is that as a pre-requisite, we need to have ISPs that are able to give > latency with little variations to various places around the earth. > > Proving that any QoS on high bandwidth with volatile RTTs is difficult > due to the "jitter". > > > Please correct me if I'm wrong. I think you have the order wrong. In order for the ISPs to provide consistant latencies, we need fq_codel, cake, or similar to be deployed widely, including in the ISP equipment so that the latencies are managed sanely when overloads hit. David Lang