From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) (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 156E63CB36 for ; Fri, 18 Jan 2019 03:14:41 -0500 (EST) Received: by mail-lf1-x136.google.com with SMTP id n18so9826643lfh.6 for ; Fri, 18 Jan 2019 00:14:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=iy61oTTmyrUXlumTNU+l0CINRcGjfhUNx5rxe/byPJQ=; b=IAIhTh4vpFMqv4Se7Oe2TBXj9OaQKbyZzLDfBayGsop3ioE4ab+ITt43ZmHHhTqSDw 6QhHG/rUe9EgYdzpE8dJH798mtVii5yVl0kInL73LTFpDINK9X2wQ2aPBR11j4UA0Efn xmHdnl/5YBi/NJuxFOOqxCChimdg3841dNnsXwh5WgTGnnRsCBSLIrtnvIVhXplM1DKO GLTKe+rwEtoZEb0AZYuGuJpm3eal8OPGLl3nU057bK8u0tqzVrksvk33hQiDOcnry37a xCu/yUJwIkOz7W4JzmKt4SGdZRRJbbkhbLpln+KMOoHK/0awnhc+Iw8dvJaEtv0nbyIc ++mA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=iy61oTTmyrUXlumTNU+l0CINRcGjfhUNx5rxe/byPJQ=; b=Xrj3UE4YpMXt1N5a4pVUeMtUE5IsadILkYkj64OSPa9Y0FcilZ4j4OBooFVWZFbsKL WZJzJJkNrTr57vbxYXpv83KJG6UmEvaIB5ndzRN2j7ZxAEitDUqOrEFzAq7aGD4yzNYI 8go7ex2Nn1M5oZlwgAxXGN8cvmMoj1Z6gs8ST8cPzO5QzpwpHc7fj5f9i1QLOZzPv5xX +zyjmzHCEduosSVlM5i9Iv+wYs+nU3exBG6Cxj6rMME5yviRT1yt4abAv5JCU8oj2uYn crsebnVseepwGsqagvKzMsVH8tPT+n8e2b86uNjo4YdpHX/LyxOQGXn2Uauuiloc4YGm 9b0Q== X-Gm-Message-State: AJcUukcWXh/fquzRiq+psOZx6yAUa1gE7nDZSXzWk8NfND+3zsl1ACsg CCVJ9B2y8JNS8O1mPIXT9S4= X-Google-Smtp-Source: ALg8bN6cFNEu1AA90Blm+0WfVN8AJCWb0ML15VqirePAayB7oxPf20NqtBuE4XU3yPid/Beb9DZO+g== X-Received: by 2002:a19:f204:: with SMTP id q4mr12432277lfh.133.1547799280762; Fri, 18 Jan 2019 00:14:40 -0800 (PST) Received: from jonathartonsmbp.lan (83-245-233-163-nat-p.elisa-mobile.fi. [83.245.233.163]) by smtp.gmail.com with ESMTPSA id p77-v6sm686638lja.0.2019.01.18.00.14.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Jan 2019 00:14:40 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Subject: Re: contradictory WiFi flent results From: Jonathan Morton In-Reply-To: Date: Fri, 18 Jan 2019 10:14:38 +0200 Cc: bloat-devel@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: <0E9D76FF-3410-49AF-A5FC-8E29B265D7AC@gmail.com> References: <9D460DD5-67CF-4D38-AEBC-2284AD4BCFC3@gmail.com> To: Azin Neishaboori X-Mailer: Apple Mail (2.3445.9.1) X-BeenThere: bloat-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.20 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: Fri, 18 Jan 2019 08:14:42 -0000 > On 18 Jan, 2019, at 10:05 am, Azin Neishaboori = wrote: >=20 > Just wondering if you have some insight into why I get significantly = better download (not uplad) throughput by all other methods over cubic, = including bbr. I mean, bbr on the sender side would mean I am supposed = to get improvement on upload. Granted that my poor setup could distort = any gains on upload by bbr, why do I get throughput gains on download? Is that measurement repeatable? Conditions on the path may have changed = between the time you did a CUBIC run and later, with other algorithms. = That's an unavoidable hazard of measuring in such a complex environment. - Jonathan Morton