From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-x230.google.com (mail-qk0-x230.google.com [IPv6:2607:f8b0:400d:c09::230]) (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 8CBE73B29E for ; Fri, 1 Dec 2017 14:46:13 -0500 (EST) Received: by mail-qk0-x230.google.com with SMTP id u184so14608622qkd.6 for ; Fri, 01 Dec 2017 11:46:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=f3Wpgt3QduQY8/dt8Ti2vWO+69AyPAiSA5Ubtkrdl5g=; b=HAU7Jcya1vpg3qPC27OvauSLKSWVZUkYXfgDIYNIA+9CbhlmBu3u911o6nO2IQ7jCn 37C0eW6OxOJzVnGMUTeuLvJoMflfbnfx3B7gPxwJnhSyc/zulyKvG86cxlOB2Ug9YcW8 kLM0wY00xP7gPx5PItvZls1/TyNf5ee8OuMxOMRaDjB+CSgxEHOOeT3e6yfDcUW12cAh XA6gX0ZrbJTe2UnVQU1+kw8uEFl99c2vmML6Koe1MEJ7lfFha6DWy/VAPaOwKQqF5kn/ 8nkxhVcoqBTCHBx4ItO+zo8h13bNqHnONcC3rc66+fWLmv8j2wij/X3ZBmCy9gjqcRAV lPog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=f3Wpgt3QduQY8/dt8Ti2vWO+69AyPAiSA5Ubtkrdl5g=; b=eGBUKdnwEtFZSKUvno001JAYGstjMGKvfOzs96RN6eK63oSTD5asUIv/e0IgUhrxWm 2POyiV51vxYIQpjt4HQFj+93voL6bhF8R2b1cTP6ErP637L/MIAWicvJ+gadsdEZVk38 DUW+Uuuj5W46pl4CNHtHez/fkzXjsINjAM+QV+6XabB0c3GVaX2kbvy7Y+A8+Xw8Rnmy 16+22uNJ+OL6nl/QwbO3VR7mz32Pz+wyfIpZ8pvohhUvqeY1E1bHmE3qzIc3ygyfGSum /UDjm9uu4urFcdZxnqgvhu/3gCD6T2zpXMpioexlrvmmKCd9TgHktS5FMzjfEpo/fAmF z2JQ== X-Gm-Message-State: AKGB3mIGpSj+gXMm0wjWDuVe57u5flWsF6DWvCowzC1MDtkqhgiUC6KF gjhlnZbmlD8P8+8ItDD0qTlKlV1dFKtJpCJujn8= X-Google-Smtp-Source: AGs4zMarv8SlX40oz4MUOF6fy2uwH2sqwEeTGeHiVej8BVQR/zMzmruf/jTtmHqglU03PfklsQwqLfK2xo3TODw6Ej0= X-Received: by 10.55.188.6 with SMTP id m6mr9563000qkf.75.1512157573000; Fri, 01 Dec 2017 11:46:13 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.193.93 with HTTP; Fri, 1 Dec 2017 11:46:12 -0800 (PST) In-Reply-To: References: <98B33089-BA99-40C2-8C25-B4568505AAC6@gmail.com> From: Dave Taht Date: Fri, 1 Dec 2017 11:46:12 -0800 Message-ID: To: Georgios Amanakis Cc: Cake List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] cake flenter results round 3 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: Fri, 01 Dec 2017 19:46:13 -0000 On Fri, Dec 1, 2017 at 11:45 AM, Dave Taht wrote: > On Fri, Dec 1, 2017 at 11:29 AM, Georgios Amanakis = wrote: >> cake vs sfq and fq_codel looks great! You already have fq_codel in the >> graphs, do you mean codel? Heh. I meant codel, yes. >> In terms of simulating CMTS I am trying to simulate a cable connection. >> Is the following reasonable? >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D8<=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >> servers --- delay --- isp --- mbox --- clients >> >> delay: >> tc qdisc replace dev delay.r root netem delay ZZms rate XXXmbit limit 10= 0000 >> tc qdisc replace dev delay.l root netem delay ZZms rate XXXmbit limit 10= 0000 > > There is not much need to specify the rate here, just the delay. You > could like say 10Gbit, if you wanted. > >> isp: >> tc qdisc replace dev isp.l root bfifo limit 1024k >> tc qdisc replace dev isp.r root bfifo limit 1024k > > No, because this is not the bottleneck queue. isp.r > > tc qdisc del dev isp.r root # a little uncertain of what happens with= handle > tc qdisc replace dev isp.r root handle 1: netem rate YYYmbit \ > limit 100000 > tc qdisc add dev isp.r parent 1:1 handle 10:1 bfifo limit 1024k > > I think. > >> mbox: >> tc qdisc replace dev mbox.l root cake bandwidth YYYmbit >> tc qdisc replace dev mbox.r root cake bandwidth YYYmbit > > tc qdisc del dev mbox.r root # to leave it unshaped > # or put cake back in to shape it after the isp shaper above. > > > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D8<=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >> >> George >> >> On Fri, Dec 1, 2017 at 2:23 PM, Dave Taht wrote: >>> >>> That's really hard to argue with. An fq_codel same conditions (and >>> pfifo and pie) might be interesting here. >>> >>> On Thu, Nov 30, 2017 at 9:13 AM, Georgios Amanakis >>> wrote: >>> > I gave high RTT with high bandwidth a try: >>> > server -- delay -- mbox -- client >>> > netserver 300/300ms 45/900mbit flent >>> > >>> > I had to run flent with "-s 0.61" in order to avoid errors with fping >>> > dying >>> > prematurely. >>> > Comparing noack, ack, and ack-aggressive, ack seems to give the highe= st >>> > download rates. >>> > Cake was setup with "rtt 600ms". >>> > >>> > George >>> > >>> > On Wed, Nov 29, 2017 at 6:25 PM, Jonathan Morton >>> > wrote: >>> >> >>> >> High RTT with relatively high bandwidth is traditionally considered >>> >> challenging, and is representative of Australasian and satellite >>> >> connections. Definitely do some of those. >>> >> >>> >> Low bandwidth should also be interesting. DSL at 4/1 Mbit is typica= l >>> >> entry level package here. >>> >> >>> >> - Jonathan Morton >>> >> >>> >> >>> >> _______________________________________________ >>> >> Cake mailing list >>> >> Cake@lists.bufferbloat.net >>> >> https://lists.bufferbloat.net/listinfo/cake >>> >> >>> > >>> > >>> > _______________________________________________ >>> > Cake mailing list >>> > Cake@lists.bufferbloat.net >>> > https://lists.bufferbloat.net/listinfo/cake >>> > >>> >>> >>> >>> -- >>> >>> Dave T=C3=A4ht >>> CEO, TekLibre, LLC >>> http://www.teklibre.com >>> Tel: 1-669-226-2619 >> >> > > > > -- > > Dave T=C3=A4ht > CEO, TekLibre, LLC > http://www.teklibre.com > Tel: 1-669-226-2619 --=20 Dave T=C3=A4ht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619