From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-x234.google.com (mail-wr0-x234.google.com [IPv6:2a00:1450:400c:c0c::234]) (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 C83823B29E for ; Thu, 7 Jun 2018 06:38:10 -0400 (EDT) Received: by mail-wr0-x234.google.com with SMTP id w10-v6so9525490wrk.9 for ; Thu, 07 Jun 2018 03:38:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eventide.io; s=google; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/yP+8MxQpE1m1Q2/5JvURel4o2NBM04beYmqhVwYc5M=; b=R8zPD82S8x9wGv0Bpwdx7Buqq56uqiKoGsLH4YvCUTJ9fidpiUZO5fnYdvljY/vAbR ay/y5sxvsZjVm8SkoUFz9aOSGWG6Y0eGtgf5iwtPC3Ca0gRuP9L+cSwMHHmYU7JUEbwU WcW+mxfSwuNbZt/VVOAVYUolpHVoPQysjrLM1cLI//es8s6kkKS4PYmsqMJ9EJFdkI4m pukRHt3vB9YSQPQVm/EX/Ol7oXLG7pzuy8SM9etN7Z+1lRAIuK8QFRKULqVck/3fKDM+ PVZB0zzYyVcn7a0+lY8a1Qj5ny8d5e8x+Yn67PrPJbl844Za+R5fBwS4F1BNzphAgeBz GOQg== 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=/yP+8MxQpE1m1Q2/5JvURel4o2NBM04beYmqhVwYc5M=; b=Oqh69gCg7B0D5d14mR1RYJUeXHvJnztcxBCaRsrTg1alIuj1bf3FERW+l3jYLa85wr mDiVyjPb2pJMF6KN6vozDRm9+/EWm7A7I3hQ2PI7Pvd/sDIQHXyhNL9350MitE5nCOVS hCP1y2+HdWlfa0XyiGcUwUGX56TCO+G4yn+aZIOB1V+R5BLzPmrd6UkolmKa2gnU0Fvk t7QzpGk/m14L/V7NozVF7hOMYj5U8iEUpTB/NVZ60+Ne4eq74v+ptljXXwHNeUM11WCs BMJndJFwf/W/91QWgyjlkLdeiW0uK4qvKoXhznkyjyALWmRxPyI3DDHnJgsOIsWLZ6Sd B/vw== X-Gm-Message-State: APt69E1VBTdkRTlMkte00ejMm1q7hqWFiSWsOixYyuSab9YE3MW3KUrZ FAIXWwyPkan2FdP7fNAuCwjdyCTgE/I= X-Google-Smtp-Source: ADUXVKIEOXUdwFopkUVAujVMYTkrnFjbMiQc5RiR9LiMHcOt6TD2OCPl35WNwJUddc67Kyxrc05BMQ== X-Received: by 2002:adf:e881:: with SMTP id d1-v6mr1287728wrm.43.1528367889810; Thu, 07 Jun 2018 03:38:09 -0700 (PDT) Received: from tron.luk.eventide.io (h-1169.lbcfree.net. [185.193.85.130]) by smtp.gmail.com with ESMTPSA id i46-v6sm56065048wra.36.2018.06.07.03.38.08 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 07 Jun 2018 03:38:09 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Pete Heist In-Reply-To: <87y3fsevrv.fsf@toke.dk> Date: Thu, 7 Jun 2018 12:38:07 +0200 Cc: make-wifi-fast@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: References: <87y3fsevrv.fsf@toke.dk> To: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= X-Mailer: Apple Mail (2.3124) Subject: Re: [Make-wifi-fast] I have no idea how this got published... X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jun 2018 10:38:11 -0000 > On Jun 6, 2018, at 12:03 AM, Toke H=C3=B8iland-J=C3=B8rgensen = wrote: >=20 > https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=3D8359288 >=20 > They change buffer sizes (but dynamically!) and manage to do better = than > Linux with CoDel and PIE as qdiscs on the WiFi interface. Linux = 3.17.7, > that is. This was published today=E2=80=A6 Just after a quick read, I fail to see how just decreasing buffer sizes = is going to be =E2=80=9Cbetter=E2=80=9D. Better than just throwing = fq_codel on the wireless interface, maybe. In regards to CoDel and PIE, they say "both of these schemes never = consider frame aggregation in the buffer sizing decision.=E2=80=9D = Isn=E2=80=99t the whole point of CoDel that one doesn=E2=80=99t need to = be concerned with buffer size as long as it=E2=80=99s =E2=80=9Clarge = enough=E2=80=9D? > What's worse is that they actually cite our paper, with this comment: >=20 >> Recently, H=C3=B8iland-J=C3=B8rgensen et al. [20] also tackled = bufferbloat in >> APs with the goal to reduce latency and improve airtime fairness. >> Their proposal was built on top of FQ-CoDel which is one of the >> queuing disciplines in Linux. We believe that the mesh environment >> imposes further challenges that are not addressed in this work. That=E2=80=99s arm waving that really misrepresents the work without = even testing it. > I am mildly outraged=E2=80=A6 Is there a better place to respond than adding a comment to the article?