From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-04-iad.dyndns.com (mxout-056-iad.mailhop.org [216.146.32.56]) by lists.bufferbloat.net (Postfix) with ESMTP id D2C9F2E044B for ; Thu, 3 Feb 2011 07:58:06 -0800 (PST) Received: from scan-01-iad.mailhop.org (scan-01-iad.local [10.150.0.206]) by mail-04-iad.dyndns.com (Postfix) with ESMTP id 4C9B483441D for ; Thu, 3 Feb 2011 15:58:05 +0000 (UTC) X-Spam-Score: 0.1 () X-Mail-Handler: MailHop by DynDNS X-Originating-IP: 75.145.127.229 Received: from gw.co.teklibre.org (75-145-127-229-Colorado.hfc.comcastbusiness.net [75.145.127.229]) by mail-04-iad.dyndns.com (Postfix) with ESMTP id B3CD88343BF for ; Thu, 3 Feb 2011 15:57:58 +0000 (UTC) Received: from cruithne.co.teklibre.org (unknown [IPv6:2002:4b91:7fe5:1::20]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "cruithne.co.teklibre.org", Issuer "CA Cert Signing Authority" (verified OK)) by gw.co.teklibre.org (Postfix) with ESMTPS id 5827B5E8CC for ; Thu, 3 Feb 2011 08:57:57 -0700 (MST) Received: by cruithne.co.teklibre.org (Postfix, from userid 1000) id CF283121B6A; Thu, 3 Feb 2011 08:57:55 -0700 (MST) From: d@taht.net (Dave =?utf-8?Q?T=C3=A4ht?=) To: bloat-devel@lists.bufferbloat.net Subject: bloated vs debloated wireless test (iwllagn <-> wndr5700) Organization: Teklibre - http://www.teklibre.com Date: Thu, 03 Feb 2011 08:57:55 -0700 Message-ID: <87zkqdw1oc.fsf@cruithne.co.teklibre.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-BeenThere: bloat-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Developers working on AQM, device drivers, and networking stacks" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Feb 2011 15:58:07 -0000 I did a little testing of my quick n' dirty wireless patch for the ath9k on what I have. The two devices are: a netgear wndr 5700 running openwrt a laptop with the iwllagn driver Connected at 36Mbit, going from the (De-bloated)wndr 5700, using iperf to saturate the link, ping times ranged from ~2ms to ~4ms. In the opposite (bloated) direction from the lagn, they peaked at about 140ms. Under contention (10 streams), I experienced about 4% packet loss on ping. (I've never been so happy to see packet loss in my life) The ath9k patch for openwrt - while still far from ideal - is here: https://github.com/dtaht/Cruft/raw/master/bloat/558-ath9k_bufferbloat.patch My test rig - which uses the babel protocol to make it easier to move between routers and routed devices - is described (partially) here: https://www.bufferbloat.net/projects/bloat/wiki/Dtaht_test_rig -- Dave Taht http://nex-6.taht.net