From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) (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 A2C103B2A4 for ; Thu, 29 Nov 2018 02:45:47 -0500 (EST) Received: by mail-lj1-x232.google.com with SMTP id x85-v6so852284ljb.2 for ; Wed, 28 Nov 2018 23:45:47 -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=4smyYvUoSknNxzvjWYDh55NyNz3afsFZfn6Yx7kSy58=; b=V5U3qAmVwipNRsBOZcisxs+fgr7gHQt+CgRwcgVSDHZTBNdGkT2PR665nrfNebxS5l sLrMdgFJ8J9uvBmH+/OVF535uBwIA9gS3D/bKjq6D/+RKHHANF0R7avt1zl7HTQziHIM uU8hKYR16q5UW9u1u2v+6xPKnPsWQbct45gKLJOETDlMB6HvZ6TUJ2/VtCcE0o5mmoW2 00EmvM1I1L57Dyh8xRns1JMarZpjgPFFmxqKwDnRKlLCNxzz0yDdemFCKvBNF0bFUwlS Ac9cQCxxgfHK/Q6wazqsaJPG3WS+zWfmDfuKMqtX+UgjekK+CjTnuUpgnRQAmf2cuIJi cClw== 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=4smyYvUoSknNxzvjWYDh55NyNz3afsFZfn6Yx7kSy58=; b=CV7Tf4hQ7dHFhoxms5IBeZkwjo6geUXovxwdRJ6+wVFGAgisrhjMvPB12NMXqHS1g+ SnnW3c7/SNzqhVsFaaZdkPgZULZ/8+g0LoNYD7fYL516qezPDYAwaH1McjC/iffOdgXb 1V8Rjs3n1LQA/Qw5y9Ebibyuvo8QJJcfQiv/K6C+SYRkSV+BpY0ercQXFdegDiI0Aj+3 enWSk+G6zCxSuV3AMd7S8orPvhkxwa1OPVMxSZtE4Y3pUDnyKl4dlM6q4fwivUAIfTJj 4Iw7mVrWZ3RfoAYwCxSl//4cA9mNyIUthQt5GIHLLLVLw5ZLxT6Y2Rf1oyR+vapbe9rf RroA== X-Gm-Message-State: AA+aEWa3n5CLavf96DWw5/6PaIKOctpf4UYIa86KFZs+K/JoH0kk5npf mY8CddZe9Kjq5/G8rNpAmyw= X-Google-Smtp-Source: AFSGD/Xc5gmlUblBUU3B3J7w4v06YA2/bSG2uy8++sRLnSGeOrr3SIXmw8XzYa0oeEDc41IxqyXhZw== X-Received: by 2002:a2e:9256:: with SMTP id v22-v6mr380752ljg.178.1543477546528; Wed, 28 Nov 2018 23:45:46 -0800 (PST) Received: from jonathartonsmbp.lan (83-245-236-220-nat-p.elisa-mobile.fi. [83.245.236.220]) by smtp.gmail.com with ESMTPSA id m10-v6sm153768ljj.34.2018.11.28.23.45.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Nov 2018 23:45:46 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: <878t1cwcvn.fsf@taht.net> Date: Thu, 29 Nov 2018 09:45:44 +0200 Cc: "Bless, Roland (TM)" , Luca Muscariello , bloat Content-Transfer-Encoding: quoted-printable Message-Id: References: <65EAC6C1-4688-46B6-A575-A6C7F2C066C5@heistp.net> <86b16a95-e47d-896b-9d43-69c65c52afc7@kit.edu> <7e6cc6f4-bd2f-49b5-0f64-292f56a0592c@kit.edu> <878t1cwcvn.fsf@taht.net> To: Dave Taht X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Bloat] when does the CoDel part of fq_codel help in the real world? 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: Thu, 29 Nov 2018 07:45:47 -0000 > On 29 Nov, 2018, at 9:39 am, Dave Taht wrote: >=20 > =E2=80=A6when it is nearly certain that more than one flow exists, = means aiming > for the BDP in a single flow is generally foolish. It might be more accurate to say that the BDP of the fair-share of the = path is the cwnd to aim for. Plus epsilon for probing. - Jonathan Morton