From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f181.google.com (mail-wi0-f181.google.com [209.85.212.181]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id B44CA2005CC for ; Tue, 1 May 2012 08:56:06 -0700 (PDT) Received: by wibhr17 with SMTP id hr17so3456903wib.10 for ; Tue, 01 May 2012 08:56:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=lz7Xr3cC16TelESTJpvyB5MCX0waXAz6vo83r7Ro8l4=; b=WBSIuoGRUmQtjlG/HQ02Eu8SHwTIkKtv2cNopA0XMC3gTIG0cOG0YWg6twahxns+UH JtyrJqx2fgmrPLHMsVq8ltQpob8LgMgczS86Qs0Jnr2+I62d7RExRhftQWyyuZ618fw+ 5P9roO2UrGAHOCvdoGG2XedSap7dFvPQg+JOJGB9OrXVbVWQws9oxIffvl/wXK9cUchv qCwLEQW2+vJDuOMJE7o4ZyachycmCw8o2Qp+ZMJalg4XSU+7HzPtZnj4SDAh8ROKmGG/ vSUTpGeahpE2TNF7V/o4j+YAW3TzarvbRqTwYzHrFZanvMiDpU8edMimgb8C/g2mSBZg JLMQ== MIME-Version: 1.0 Received: by 10.216.138.17 with SMTP id z17mr1555504wei.18.1335887764385; Tue, 01 May 2012 08:56:04 -0700 (PDT) Received: by 10.223.112.66 with HTTP; Tue, 1 May 2012 08:56:04 -0700 (PDT) Date: Tue, 1 May 2012 08:56:04 -0700 Message-ID: From: Dave Taht To: codel@lists.bufferbloat.net Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: [Codel] some backing scripts from Multimedia-unfriendly TCP Congestion Control and Home Gateway Queue Managemen X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 May 2012 15:56:07 -0000 ---------- Forwarded message ---------- From: Andreas Petlund Date: Tue, Apr 24, 2012 at 11:57 PM Subject: Re: Bufferbloat experiment preliminary result To: David T=E4ht Hi Dave, The key ns2 scripts and analysis tools that was used in "Multimedia-unfriendly TCP Congestion Control and Home Gateway Queue Management" can be found here: http://caia.swin.edu.au/urp/newtcp/tools/cbr-drop-scripts.tar.gz To successfully run this simulation, ns2 needs to be patched with the CAIA CBR traffic extension found here: http://caia.swin.edu.au/urp/newtcp/tools/ns2_33_patch0.1.1.tar.gz I hope this will aid you in your work. Also hope to speak to you soon. Cheers, Andreas On 11/02/2011 07:46 PM, David T=E4ht wrote: > On 11/01/2011 03:03 PM, Andreas Petlund wrote: >> On 10/31/2011 08:52 PM, Dave Taht wrote: >>> Working backwards... >>> >>> 1) where is "there"? I'm in paris, don't have much budget left for >>> travel this year. >>> >> With the new kid in town, I'll not be travelling much the first couple >> of months, but the next IETF meeting is in Paris, I believe. That may be >> a golden opportunity. I'm also available on Skype (andreas_petlund). > > Taipai (can't spell it) November 15th. Paris would be a bit of a detour! > > am davetaht on skype but rarely am on - too many distractions. > > Perhaps as we pull a plan togther, post baby, we can do a couple > concalls. > >> >>> 2) Do you mind if I put these scripts in a public place (github?) I am >>> slowly assembling bits from the 4+ experiements I want to run and >>> re-run and re-run.... >>> >> I have sent an email to the other authors (the Swinburn people). If they >> agree (which I do believe they will), I'll give you green light for >> making it public. > OK. I also have a bittorrent and tcp-lp simulation to play with. I'd > like to get a decent red and qfq sim up and then hook it all up > together. Might be able to steal some time and vms from sandia. >>> 3) Which paper was this relevant to? The media-unfriendly one? >>> >> Correct. >> >>> 4) I think your work is spot-on-relevant, too, which is why we're >>> talking. :) In my case, I tumbled into this by accident - I was >>> working on mesh networks in Nicaragua... and upgraded everything from >>> 'g' to 'n' and thought it would be 'better'. It wasn't.... >>> >> We started out with the Norwegian MMORPG game company Funcom and some >> traces that showed some extremely high application-layer latency. > > While it certainly exists there, it starts at the edge and works in... > > It bothers me most that nobody grokked that while tcp scales well to > lunar orbit, at such high levels of buffering it is very human > unfriendly. 100 vs 1000 buffers is quadratic in terms of human > friendlyness of tcp... 10,000 worse, not 1000 times... > > I need a new word to use instead of 'fair' or 'unfair' when it comes > to queuing - 'friendly queuing' is working for me... >> I've >> mostly been working with end-to-end transport, but have been looking >> into buffers recently. A lot of scenarios to explore where things that >> is seemingly benign really is not. > > Want a brain dump from van? I have been reading his mid-late 80s stuff > over and over and it wasn't until I got it straight from the source > before I truly got it - and even then i only get 85% of it, and > getting 86% would probably take 10 years of study and and a partial > brain transplant. > >> Cheers, >> Andreas > > --=20 Dave T=E4ht SKYPE: davetaht US Tel: 1-239-829-5608 http://www.bufferbloat.net