From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-x72a.google.com (mail-qk1-x72a.google.com [IPv6:2607:f8b0:4864:20::72a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id CF64A3CB35 for ; Sun, 9 Feb 2020 13:21:35 -0500 (EST) Received: by mail-qk1-x72a.google.com with SMTP id d11so4348753qko.8 for ; Sun, 09 Feb 2020 10:21:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=berkeley-edu.20150623.gappssmtp.com; s=20150623; h=content-transfer-encoding:mime-version:subject:from:in-reply-to:cc :date:message-id:references:to; bh=0Gm+g8p2ZUwOBqTYFl13/fwf1Jmd5UjpN+YdQvbEUO0=; b=hLeYeiJHIJxfGlDfIoAEY+/JNetQ1Mai5QeB0iW1+XinSx85neq4f/0HZkapMZYKxu hMVkXHrL1+NiZgxhfLCnR6HQfn+m00qPuuZ7ef5eP36dOcm5AEeLJriY3uqVzwNkfCjD WGVh1iXYj37YyoRq6ttrZcC5V33RJeQKjZzHx6hv3pNxR7Sqf7hWKMEALL8V2gjBUWjS FmPhYqrmt9IvVzj0qQPkY2vPATBRm0JlSDGt3o7AeGQ3sgpj23WavVA9zCnTDZudkTrP DWhFY9f8LRCvHN3x4TYHADAkj1RUEG7XL3X898gMvLuWcXIctMIqdYwbS4wTOZV0mWdc dD6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:mime-version:subject :from:in-reply-to:cc:date:message-id:references:to; bh=0Gm+g8p2ZUwOBqTYFl13/fwf1Jmd5UjpN+YdQvbEUO0=; b=cSfmAxxXSYgf+P8w2oxFpiR03dyjl8bwj8qMd0NJWleEtwHHYe2r/rf1L42EmjQfQ8 eqEnq7lFIK/EfSHFzgr8iBYDQ+9hFEZe3LWWp1n8AG1BdgzTkI5KwGQV9Y6v5FUunV1b 1FUENNPuowF5fzPYYgZg3p65EmpvgYsJSMSmHUVsytKFRNgcKtU+jHhXdpGBkBqFqM4T /1ukyuwb/vu/WeubOiLefnvjmowmkrj8ZHZGDGN7pE3ZFoOEl2UeUDwAnMl7F5ymE1yT NwWD5aobyO3+slemaYPPPiufSfXUYWYDdiZKNA59LTWshqhLqGiEW2smA+guoqgFUEZF H6pw== X-Gm-Message-State: APjAAAVTjbomWCpCyk9k+mAcKdI7h8UOz/vYL7/yxoK0+IEcCghsn7EQ Atq8XadmiOSsj7JjCSxQpuya1A== X-Google-Smtp-Source: APXvYqwMeyHSGu2d36kc9xDFszePJahDyfnU4iYjwedbvMGzWvYXsJnr1nmBwMS8hq9Y4moun1px6w== X-Received: by 2002:a37:7a83:: with SMTP id v125mr7687008qkc.22.1581272495246; Sun, 09 Feb 2020 10:21:35 -0800 (PST) Received: from [172.16.42.11] (c-73-207-74-174.hsd1.ga.comcast.net. [73.207.74.174]) by smtp.gmail.com with ESMTPSA id s42sm4858806qtk.87.2020.02.09.10.21.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 09 Feb 2020 10:21:34 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) From: David Fridovich-Keil In-Reply-To: Cc: bloat , ECN-Sane , dfk@eecs.berkeley.edu, dghosal@ucdavis.edu, chapmanm@eecs.berkeley.edu, mkfarrens@ucdavis.edu, tomlin@eecs.berkeley.edu, nhanford@ucdavis.edu Message-Id: References: To: Dave Taht X-Mailer: iPhone Mail (17D50) X-Mailman-Approved-At: Mon, 30 Mar 2020 07:06:40 -0400 Subject: Re: [Bloat] pacing, applied differently than bbr X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Sun, 09 Feb 2020 18:21:35 -0000 X-Original-Date: Sun, 9 Feb 2020 13:21:33 -0500 X-List-Received-Date: Sun, 09 Feb 2020 18:21:35 -0000 Hi Dave, To be honest I haven=E2=80=99t personally been involved in follow up work bu= t I think my coauthors may have. Maybe try contacting Nate at nate.hanford@g= mail.com? Best, David Sent from my iPhone > On Feb 9, 2020, at 2:12 AM, Dave Taht wrote: >=20 > =EF=BB=BFI don't know how I stumbled across this, but it seemed interestin= g at > this late hour. I wonder if they kept at it or tried ecn also. >=20 > "A Model Predictive Control Approach to Flow Pacing for TCP" >=20 > "we propose a different approach to latency based congestion control. > In particular, our controller sets the maximum pacing rate by solving > a model-based receding horizon control problem at each time step. Each > new roundtrip time (RTT) measurement is first incorporated into a > linear time-varying (LTV) predictive model. Subsequently, we solve a > one-step look-ahead optimization problem which finds the pacing rate > which optimally trades off RTT, RTT variance, and throughput according > to the most recent model. Our method is computationally inexpensive > making it readily implementable on current systems." >=20 > https://people.eecs.berkeley.edu/~dfk/pdfs/network_control_camera_ready.pd= f >=20 >=20 > --=20 > Make Music, Not War >=20 > Dave T=C3=A4ht > CTO, TekLibre, LLC > http://www.teklibre.com > Tel: 1-831-435-0729