From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x243.google.com (mail-pg0-x243.google.com [IPv6:2607:f8b0:400e:c05::243]) (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 A4D173B2A3 for ; Sat, 3 Dec 2016 16:50:39 -0500 (EST) Received: by mail-pg0-x243.google.com with SMTP id p66so11716589pga.2 for ; Sat, 03 Dec 2016 13:50:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:cc:date:in-reply-to:references :mime-version:content-transfer-encoding; bh=3NU2oHWj1izDgpd1xuSQYiUJCt4592iaTejGbFIK+dc=; b=vEfJJknWfNiUs0Y9MGvaA0ss4fcxokz3goq752xAkverxCcmpDUHpCi51USxGmkFLt Kp7Hsyn/exgkwjj4DhuHczPAPi6bCmyG5U0HKlCi9D2VUkc9zgnfvrBlE8B9+6bpD+sB gKwKCGVoUpdA1YshxfuUwuSUEG+W3NgFzNbl6nCX0PGvx4chGDKmF3r4mBeLPIhxGfql CRmDtqX4Lu4A5HrFgjD5j3FwljizruquifdGX1kIRjU3JBqn4vFW1fTA8FEH2mpNYLHK 6S2ynE4yCB7rOqGAJi7GZd28WwCDNtVzFSWdGG766jtRuFTmOnbmKtKGgReighP7Z5Yk kyDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=3NU2oHWj1izDgpd1xuSQYiUJCt4592iaTejGbFIK+dc=; b=htVU1qMIB8pE4/zPcYeDuiE44Swb5kPQv279hMzmnkzfnfPQHeZs3WvlO9EyhTM5NB m+c5298sdhpNkts6q+z8IURmW58OBmdWLAmboYQk984awXAEucRrKe8MrmCKgg/4K6ol Oih6X31EIMeJFPK9Y7sZ+QjLEpcyJ8o0Myjla5t37MWtw16LX+fBvZagn7HwSvoy40cW oCvP13Wsxp3Hh88SIc2KM5Fi7XN1LJcW3Y6ugJtxi0x1LXKDgzrU7oDZ/mjL35nvEdfc i7jMdS0ElWelwIKi9QRmY27TJhCSlDTlpxhOEx5BrTduiWSqTsUZ1xsOLBTItDX13gyN L77g== X-Gm-Message-State: AKaTC024j9yoaCitDwSxdpuFhrFZ7OwuqiAI8YE+g7UIG6VW/fFnRWiWaTLNLRtO5P0eRA== X-Received: by 10.84.142.1 with SMTP id 1mr108061710plw.87.1480801838977; Sat, 03 Dec 2016 13:50:38 -0800 (PST) Received: from [172.19.250.57] ([172.19.250.57]) by smtp.googlemail.com with ESMTPSA id z9sm16886814pge.44.2016.12.03.13.50.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 03 Dec 2016 13:50:38 -0800 (PST) Message-ID: <1480801837.18162.419.camel@edumazet-glaptop3.roam.corp.google.com> From: Eric Dumazet To: "Steinar H. Gunderson" Cc: Jonathan Morton , Neal Cardwell , "aqm@ietf.org" , bloat Date: Sat, 03 Dec 2016 13:50:37 -0800 In-Reply-To: <20161203213428.GB38041@sesse.net> References: <56F6A3AB-3A47-4178-BEFF-04E3DC23B039@gmail.com> <20161202224006.GA5065@sesse.net> <1480721486.18162.392.camel@edumazet-glaptop3.roam.corp.google.com> <20161203191353.GA972@sesse.net> <1480796415.18162.408.camel@edumazet-glaptop3.roam.corp.google.com> <9A821B94-143B-446F-8852-2EB0158DD57C@gmail.com> <1480799260.18162.418.camel@edumazet-glaptop3.roam.corp.google.com> <20161203213428.GB38041@sesse.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Bloat] TCP BBR paper is now generally available 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: , X-List-Received-Date: Sat, 03 Dec 2016 21:50:39 -0000 On Sat, 2016-12-03 at 22:34 +0100, Steinar H. Gunderson wrote: > On Sat, Dec 03, 2016 at 01:07:40PM -0800, Eric Dumazet wrote: > > What I meant was that we receive ACKS in bursts, with huge gaps between > > them. > > Note, the tcpdump is done at the receiver. I don't know if this changes the > analysis. If you have access to the receiver, I would be interested to know NIC/driver used there ? Thanks