From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-la0-x236.google.com (mail-la0-x236.google.com [IPv6:2a00:1450:4010:c03::236]) (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 BAB8821F293 for ; Sat, 28 Mar 2015 23:17:20 -0700 (PDT) Received: by labto5 with SMTP id to5so96932162lab.0 for ; Sat, 28 Mar 2015 23:17:18 -0700 (PDT) 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=2JtYFPyO+Su8d9MOPz5HF/lspf6kPJpuCAApjey5v9A=; b=umio8vXeQ2O46vjPwxw/ioybpSp8bjhAOZtQi0HL9a0P5dkrzT8tjtjuZCf1hbBQl0 DglFEksUHtonZEygid7NBNhq2idRqQ63XP57DY4Q9R99CSXOrL9fl9b8kZZH+1GJIfM4 gclsenPJB15FnadZzA7quUyEmL/bYB+MGBHk+m/4Gna7tji5G1OpgKbSSfRyFlD1zPIK tWRF/WgMcTUYi4EuM9mbtgBYm0g3qPZupBGsHdJ9zdJZkMzY7Pkd/7hi0we7XgknevkF OmCn58iMk3Mnt5olJfmq9vaxImKDZ4BbNCk3PW6ObIKNx2AKg3YW1WurXhmBIykRAYHS 1Uhg== X-Received: by 10.152.244.161 with SMTP id xh1mr23548483lac.119.1427609837642; Sat, 28 Mar 2015 23:17:17 -0700 (PDT) Received: from bass.home.chromatix.fi (188-67-31-98.bb.dnainternet.fi. [188.67.31.98]) by mx.google.com with ESMTPSA id kd7sm1275516lbc.42.2015.03.28.23.17.15 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 28 Mar 2015 23:17:16 -0700 (PDT) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2070.6\)) From: Jonathan Morton In-Reply-To: <3615CBEA-5DC1-4722-9EE9-13B3570E8118@gmx.de> Date: Sun, 29 Mar 2015 09:17:13 +0300 Content-Transfer-Encoding: quoted-printable Message-Id: References: <08BAF198-87C5-42B8-8899-53F34E47156E@gmail.com> <896FAE61-B45A-4F34-9449-5ADB82194DD9@gmx.de> <48350C2E-C33A-4534-84BC-5D56F4AAF0EA@gmail.com> <8AC58249-8199-405B-997A-E8F7285A34FB@gmx.de> <3615CBEA-5DC1-4722-9EE9-13B3570E8118@gmx.de> To: Sebastian Moeller X-Mailer: Apple Mail (2.2070.6) Cc: cerowrt-devel@lists.bufferbloat.net Subject: Re: [Cerowrt-devel] archer c7 v2, policing, hostapd, test openwrt build X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Mar 2015 06:17:49 -0000 > On 29 Mar, 2015, at 04:14, Sebastian Moeller wrote: >=20 > I do not think my measurements show that ingress handling via IFB is = that costly (< 5% bandwidth), that avoiding it will help much. > Also the current diffserv implementation also costs around 5% = bandwidth. That=92s useful information. I may be able to calibrate that against = similar tests on other hardware. But presumably, if you remove the ingress shaping completely, it can = then handle full line rate downstream? What=92s the comparable overhead = figure for that? You see, if we were to use a policer instead of = ingress shaping, we=92d not only be getting IFB and ingress Diffserv = mangling out of the way, but HTB as well. - Jonathan Morton