From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x235.google.com (mail-lj1-x235.google.com [IPv6:2a00:1450:4864:20::235]) (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 269E63B29D; Wed, 5 Feb 2020 11:22:32 -0500 (EST) Received: by mail-lj1-x235.google.com with SMTP id x14so2875955ljd.13; Wed, 05 Feb 2020 08:22:32 -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=tniOU/TMuQlgI1MUNC5sE1fKkDA7cXtJqZ49ewDtpWw=; b=UMgbyYR6QbuONlBo7ANBifw+Sv85CDEARZg/6VIWHkcrvzIOE+OnBzta1us7uBcMkM 6NjUyAvdVlxnuNb2xV1NEo1WDjUHFOfXy622ZSe0hjJJr0L8eYLfjmUGQ8nPPBi75z7t UB8N9tGQybA3DtGRX3OBbKyfisqrlBeTXasjkmYzZmNa9MHMak0DSRSQ14ujoH+ZcDfZ XN+ZxNb0MlWLeyHrs5z1/g/HXlyRIA8zjsjjmTl/aDm/pFmwemdopj6vr55fuiJorZmp 6eFuOLIS1VfKW0mQs/LeK/LbroLq/iVFAgrW9Y2elfCS93ylrg50oxLzo7Y+XIZQmwVa N5SA== 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=tniOU/TMuQlgI1MUNC5sE1fKkDA7cXtJqZ49ewDtpWw=; b=uLvsnHxOx51zT2DIh170nPyado0W7sUFZZjH8zg5Ad0lNjYDqtkhjNkasX7RhWnSNI pB4HE/vGt4bMGQ+z62p9j9URbmKmZtc9qMuD/8bjxNID6ysV6LDSLR78rw1P81JoTrac 1kde8QQaYm4bs2VNOQzFDHEzEchFFVYsU8bTB4hJYu/zvv6qbb7XU7b57De5r24LJHNE hJRF2GM+Qsy51nDAPVH42UOp/0oBPIby9KCfvt06X4cLd0G7ifddFG4r1zFMasVlOuBI Di4V/7eWk1feSFsX7atbOU47mmI6F1G94OT9d88KgZeFtdWcYfMQPolKKzALqU9rwuif zbmw== X-Gm-Message-State: APjAAAWr0gC58wOWt4vkXDr29pngK1xWU737n5q75glSE1X/m3uQvA9+ kFDuxB77p7IyX5OQMtYfK/s= X-Google-Smtp-Source: APXvYqxV1m7Bnh+3Qoa2F4QGDpUdGWZK1qcPfdPFx0+il7/4HW7xKt7lyzlQqGRvM3g+tVJBKaIUiQ== X-Received: by 2002:a2e:8907:: with SMTP id d7mr21447084lji.71.1580919751112; Wed, 05 Feb 2020 08:22:31 -0800 (PST) Received: from jonathartonsmbp.lan (83-245-229-102-nat-p.elisa-mobile.fi. [83.245.229.102]) by smtp.gmail.com with ESMTPSA id q17sm13473954ljg.23.2020.02.05.08.22.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Feb 2020 08:22:30 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: <87v9oluih6.fsf@taht.net> Date: Wed, 5 Feb 2020 18:22:28 +0200 Cc: =?utf-8?Q?Bj=C3=B8rn_Ivar_Teigen?= , Cake List , Make-Wifi-fast Content-Transfer-Encoding: quoted-printable Message-Id: References: <07250850-5FAF-4AB7-9551-0B26D648AF3D@gmail.com> <87v9oluih6.fsf@taht.net> To: Dave Taht X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Cake] [Make-wifi-fast] Cake in mac80211 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: Wed, 05 Feb 2020 16:22:32 -0000 > On 5 Feb, 2020, at 6:06 pm, Dave Taht wrote: >=20 >> D) "cobalt" is proving out better in several respects than pure >> codel, >> and folding in some of that makes sense, except I don't know which >> things are the most valuable considering wifi's other problems >>=20 >> Reading paper now. Thanks for the pointer. >=20 > I tend to think out that fq_codel is "good enough" in most > circumstances. The edge cases that cake handles better are a matter of = a > few percentage points, vs orders of magnitude that we get with = fq_codel > alone vs a vs a FIFO, and my focus of late has been to make things = that > ate less cpu or were better offloadable than networked better. Others = differ.=20 I think COBALT might be worth putting in, as it should have essentially = no net cost and does behave a little better than stock Codel. It's = better at handling unresponsive traffic, in particular. - Jonathan Morton