From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-x229.google.com (mail-qt0-x229.google.com [IPv6:2607:f8b0:400d:c0d::229]) (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 B9F923BA8E for ; Thu, 30 Nov 2017 01:28:21 -0500 (EST) Received: by mail-qt0-x229.google.com with SMTP id g10so7464634qtj.12 for ; Wed, 29 Nov 2017 22:28:21 -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=XYuCyaudbD3YdWO91eIhmsb+ZvZY4BXuNuLffMQ6BUI=; b=BTBpcyYux3lie3j2jZLoZQIzCAjn1aFXNcX/55APue4WVE3BaaAkZmb4r6B3MrvAPT cIcVJwfYaWaI7CGHNCIR6ZeqidEBhzoY2PcKfJj/5YBFWS3lNk3FBfFKSTt+Ug8QLtrA 8J5aj9e4JafyvB43qX2zXAIVmwgz5u8LSWoT3Le5Pgyb/iv+seCmi/c1QYRJ6QWF/qnQ xRbp2ZAkZSPFz8GRxuaCbdqo57Ps8gG7crMzPtmTgX33PAhjceAn8zKvWsosDBbDcR82 +Y+3A57ODSMWUi8A+JRupd64yjpYFdYoad5gHOyOEmJxrd1TJ1tG82BPV+z2H8+tW6U+ X++g== 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=XYuCyaudbD3YdWO91eIhmsb+ZvZY4BXuNuLffMQ6BUI=; b=Z4HxgG3WM7+yBJbUQRRPASSJ0clSvyOOawIHLaS6yPR+asjf4iO95buhOIeRn0Zwif DnQe1wbzcH7WltPoMkIKgBRDG5XURbgXqTW9NXB4YAcac5sCoI17tLDyWVSoqPGrEJti KpT2uXJTWMVu9JiEAyZEBVS85+vaBfYkYLBkC4MI1dBH5A9Lak3aRYQC8BzI7HEPZDU7 sgNeTrxg+i9OAey+kNRnxNqFDE0row/HlKe9y/vx+RUfB3Btuykztjp1Hd/gkv5uUBsx WO4RXSi95HxjHDW8mRGEsMCIi7M3vkHJXaqX0oeGb3OWJkxE4UoUrM4eHciQR9099lJc hLMw== X-Gm-Message-State: AKGB3mKGY+BsN6VJWAukhb8MmL4jwlrWxOrxR53GXTNcW/v61PLpqs06 bFfZbuBtrwi4midGe0/+aWx7zuF8M01cXGipKe0= X-Google-Smtp-Source: AGs4zMbREKDy9w83LG4XTrWObSWPiJu7ja3PGCeh84jXpgKOHvhJTVUCD3pEA273pVXl+QWMV/NMxUQRagtMCNK6WMk= X-Received: by 10.200.36.203 with SMTP id t11mr2021836qtt.277.1512023301002; Wed, 29 Nov 2017 22:28:21 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.193.93 with HTTP; Wed, 29 Nov 2017 22:28:20 -0800 (PST) In-Reply-To: <98B33089-BA99-40C2-8C25-B4568505AAC6@gmail.com> References: <98B33089-BA99-40C2-8C25-B4568505AAC6@gmail.com> From: Dave Taht Date: Wed, 29 Nov 2017 22:28:20 -0800 Message-ID: To: Pete Heist 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: Thu, 30 Nov 2017 06:28:21 -0000 On Wed, Nov 29, 2017 at 3:18 PM, Pete Heist wrote: > http://www.drhleny.cz/bufferbloat/cake/round3/ > > Round 3 Tarball: http://www.drhleny.cz/bufferbloat/cake/round3.tgz > > *** Notes/Analysis *** > > * And another couple hundred tests showing Cake doesn=E2=80=99t crash, at= 20/20mbit > either! > > * I=E2=80=99m now using netns (thanks Dave/Georgios) with a five box setu= p: client, > client router, delay, server router and server. Delay is set up to simula= te > a 20mbit/20mbit symmetric connection with =E2=80=9Cbandwidth 20mbit delay= 10ms=E2=80=9D on > each of its two interfaces. That apparently doesn=E2=80=99t hard limit th= e > bandwidth, but no matter, I do get a 20ms RTT as expected, and any tests > with rate limiting use a default limit of 18mbit, which seems to control = the > queue well. The unlimited tests can probably be ignored. > > * Now that my CPU can actually run this test, Cake shows good results vs > fq_codel on 32/32 nflows: > > http://www.drhleny.cz/bufferbloat/cake/round3/nflows_32_32_eg_fq_codel_18= .0mbit/index.html > http://www.drhleny.cz/bufferbloat/cake/round3/nflows_32_32_eg_cake_18.0mb= it/index.html > > * OWD, IPDV (jitter) and lost packets looking good for a VoIP conversatio= n > with dual-whatever. The VoIP conversation is simulated along with a norma= l > RRUL test (4/4 flows), a torrent, and tcp_12down simultaneously (family o= f > four?) > > http://www.drhleny.cz/bufferbloat/cake/round3/flowiso_mix_eg_cake_dsrc_ca= ke_ddst_18.0mbit/voip-voip_delay_loss.svg > > *** Round 4 Plans > > * All I can do easily with this setup without more effort is vary rtt, > bandwidth, loss or whatever else netem can do. Or I can add other tests w= ith > spreads of parameters. Sorry, no asymmetric rates or useful ack filtering > tests. Anyone care for high rtt tests, low bandwidth tests like 2/2mbit, = or > anything else in particular? well, he says, shyly, there's a new option to netem, called slotting. delete the rate, "slot 4ms 4ms bytes 10k 16" > > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake > --=20 Dave T=C3=A4ht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619