From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-x22d.google.com (mail-pa0-x22d.google.com [IPv6:2607:f8b0:400e:c03::22d]) (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 67C2B3B25E for ; Sun, 24 Jul 2016 04:43:58 -0400 (EDT) Received: by mail-pa0-x22d.google.com with SMTP id ks6so51986044pab.0 for ; Sun, 24 Jul 2016 01:43:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=KtO8dB/FWtrAFd+/koxeg44fFmOS9MN/DQiuFuktD+8=; b=w0o8NePQ3oNRy1ZM14Zb9valJXOzw6jNWsKmNu7AZpzI4a9JIKddQcMAygqkNEWcNE l/C9vh0gFXcy/+jjeIS5QikoYYddRNosHNFSEeaRSuR225tUYWiDrdq5kIxmTcF85k9d YLXRmI8PWS722BARCZUBGTQVliFhUAbG4cG1idjozOO+6oV/UZ478MvJQ8AAnxo+FrI1 zlR+9+6aDJcesLbnlaGfOGBRha+BfjcTNa5RMEYTClWoQflt7fPTqJgtSLIesTOeFiCJ CcLqya20RflLKWrP6vEVgHNkJuAMYiGLUz1ZNDLfWKQLZS4Iy87ferJJlfoHzqIOFZEl ejIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=KtO8dB/FWtrAFd+/koxeg44fFmOS9MN/DQiuFuktD+8=; b=TKgSuaQoS4WjwmxmmzT/rjB6tDY7ZlvjpBU+M6jH/gFF3TaIGkjfFYYrfmSiNVJvdd S4jZvXXgWJDrxI38PhonW/bR9flNCJScQkYUIvTvS0RqEfqOZLI62rwY/Pf6lG+D4PbD M0Jn/ccNRf97nnLlsCRIZ1Zw9iAvuDJZHonyVIxw/fYK9SzKvZ1xbqX3CXKUa1F5uB0H cLF+YIyV4gB1xkj5rYyVJMHYsHmB/zqbVzt3gteFY6ud4u1tPBmlCCT/eXYHlF9BxlyZ Yi4qLOYh590gs3+ZuQHFGMf+GL1DL39N/RF4uotL+7o64kbSugUZmJHMLLJfumlLt4Gc xAAQ== X-Gm-Message-State: AEkoouubS+rF0AtRE1E/XBe4k/KQBNl38RVdnK6wW9RmRPTzQCQkJX0jO01MN27lM2D7uWapIjaTBmIzErDh2w== X-Received: by 10.66.47.196 with SMTP id f4mr20118581pan.126.1469349837595; Sun, 24 Jul 2016 01:43:57 -0700 (PDT) MIME-Version: 1.0 Received: by 10.66.142.133 with HTTP; Sun, 24 Jul 2016 01:43:56 -0700 (PDT) In-Reply-To: <04080AE6-8C47-4224-8DE3-BA374CBE38F5@gmx.de> References: <66C89432-6E70-422F-A638-7522BF233707@gmail.com> <35967373-D9F6-4C0C-8005-787DB8C7B1BB@gmx.de> <7ECE7E7A-0310-4DC4-8AC9-29B0F1F2E383@gmx.de> <04080AE6-8C47-4224-8DE3-BA374CBE38F5@gmx.de> From: Loganaden Velvindron Date: Sun, 24 Jul 2016 12:43:56 +0400 Message-ID: To: moeller0 Cc: cake@lists.bufferbloat.net Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] fq_codel on 3g network in Mauritius 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: Sun, 24 Jul 2016 08:43:58 -0000 On Sun, Jul 24, 2016 at 12:27 PM, moeller0 wrote: > Hi Loganaden, > > this is exactly the right idea; interval basically defines the =E2=80=9Cr= eaction time=E2=80=9D window, or the time the endpoints of a connection min= imally require to actually react to the drop/mark signal. So on a slow link= with RTTs in the order of 300ms set interval to 300ms. > Target should be set to around 5-10% of interval to optimze the bandwidth= latency tradeoff, but in any case target should be larger than the time re= quired to send an individual packet, so that no queue builds up for sparse = flows. > It is not quite clear to me whether in your case you would account the lo= ng =E2=80=9Cpipeline=E2=80=9D depth to the target or simply bandwidth/1540= =E2=80=A6 > > Best Regards > Sebastian > Thank you ! I did the same with the OpenWRT router which is bridged with a fiber connection (30Mbit/s down, 4 Mbit/s up), and I see improvement for quality and bufferbloat: http://www.dslreports.com/speedtest/4521242 I switched from 100ms interval to 270ms interval. Now, i'm getting A+ for b= oth.