From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-x233.google.com (mail-lf0-x233.google.com [IPv6:2a00:1450:4010:c07::233]) by lists.bufferbloat.net (Postfix) with ESMTPS id AD49A3ED03 for ; Tue, 22 Dec 2015 10:34:18 -0500 (EST) Received: by mail-lf0-x233.google.com with SMTP id z124so126646892lfa.3 for ; Tue, 22 Dec 2015 07:34:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=SlJHtyfpyt+6F9RYmGTP/LkUXV4HzSfGeeppMLXSK8U=; b=vq5VULNkRfZck0YJeUg2p+8tpu0veG0sJwuFiWmZI6RI62XNemEAqA4BQ31J6kCwim toV6O0qkVroAEInnw381bb2LImNBHY3kDyDnRyMZotXQQZd25U3js/8tq3irHG/qAy8c YbYRG/dJMgWcoeU0JcipxQCVzM96P7PFe3aZ1eHUt1m0I42UL0V07Rif1TsQ+6n9MODg Z26Tupc4UzKvvT1oHgxHS9kjkuu9r/I+AFvalZtaLHiAPvqiQHits1CdEcvWrFv4JXSq vepSIw8CD6HmOdpsVKVn1r4V3mWMPWaBqn03DnWhx61AIKHY/dx6OSMsi/nfeZXZQkr4 Yk0w== X-Received: by 10.25.87.79 with SMTP id l76mr8813699lfb.136.1450798457060; Tue, 22 Dec 2015 07:34:17 -0800 (PST) Received: from bass.home.chromatix.fi (37-33-99-74.bb.dnainternet.fi. [37.33.99.74]) by smtp.gmail.com with ESMTPSA id s185sm5848903lfe.24.2015.12.22.07.34.15 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 22 Dec 2015 07:34:16 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.2 \(3112\)) From: Jonathan Morton In-Reply-To: <8737uukf7z.fsf@toke.dk> Date: Tue, 22 Dec 2015 17:34:12 +0200 Cc: moeller0 , Kevin Darbyshire-Bryant , cake@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: References: <6F86FBB0-AA69-44F3-82D0-31465906974D@gmx.de> <56657A82.2080601@darbyshire-bryant.me.uk> <95560E7E-DEAF-40D8-B704-CEA38A0CDE62@gmx.de> <85A5A21C-E468-4F81-8A36-0F1AD6C84435@gmx.de> <75B32CC1-BFD2-4AA2-9179-5A41DDBB8188@gmx.de> <8737uukf7z.fsf@toke.dk> To: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= X-Mailer: Apple Mail (2.3112) Subject: Re: [Cake] second system syndrome X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Dec 2015 15:34:18 -0000 > On 22 Dec, 2015, at 11:25, Toke H=C3=B8iland-J=C3=B8rgensen = wrote: >=20 > Jonathan Morton writes: >=20 >> However, if AQM can also act to keep unresponsive flows under = control, >> that relieves the overflow handling logic from having to do that job >> full-time. Although I did optimise that logic somewhat some time ago, >> it isn=E2=80=99t as slick or efficient as AQM could be in this role. = The >> difference between theory and practice... >=20 > I don't think relying on CoDel to curb unresponsive flows is the right > thing to do. I didn=E2=80=99t say Codel in this context; I said AQM. However, I haven=E2=80=99t yet put a lot of deep thought into how we = might switch between Codel and some other scheme. - Jonathan Morton