From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-x22e.google.com (mail-lf0-x22e.google.com [IPv6:2a00:1450:4010:c07::22e]) (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 640203CB50 for ; Mon, 12 Feb 2018 08:56:39 -0500 (EST) Received: by mail-lf0-x22e.google.com with SMTP id g72so20525909lfg.5 for ; Mon, 12 Feb 2018 05:56:39 -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=FQddOMbuSTr9iTtx1KBRJ+xSBTmw2wRunhbZxO6doOc=; b=b19B2ZgOGQfQOrYGAQ3CXv3fyRdps6yMzyD0oiQKSsDaMHaHLQgLOLhZ1OA9+MAt5h QLJBZU2+I9ZymeKzK6AXQHcTCg6Tzp6Li7mimyn9wP/DhZmc+EApxi4OFTc8/viak8ZL o3BhmM9lG+OQt52Tfe3I9crUZB+4sLUNh7BiXGjHdlLJQg5sgsN2K5nHqLqgTbDU8Njp o8y5Q8n5gJXrrvHMxvCxEZVH4QFR0MFMntVilBdy6OuTNanZQj8lvZwaNH1D+2/Xn9LG gBpHrKCopZiz5aACTZAmlhaQjTNtEW4cimlcC0qqq738incumJutL88vf+DT4fgCjfH7 lzyg== 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=FQddOMbuSTr9iTtx1KBRJ+xSBTmw2wRunhbZxO6doOc=; b=tkByXh3G9ECyDbfkyhxIy7tegTGsE/lSrB/fwKSanENqaSfXzHoPeeijjTzzU9SOwa E1Z3LT9SMg+FuIi3/vUs+oQu1ufw/Wq5t2a9p7UjpOOWXQg/7fBrYDQVh/3fbdgKON+d HHFnr25S732H5kZwQ9VNgd5lIAxg5UblWRZe1PC/b5tiYHQGBrLUWO5Lyw0xgBrV3nZq UgHzSjFfjWGRg3Ym5vMm7kAJ8xdy+TmonjtezGL6rhDraykH++w1MIRUqs1I8EZKfBLx 6uMi0JgGx0iZJMejAdnAigTvsrpjPpK2qbKnDhixkw4YuXRImMkuELIuaxTmWGkzUvKC HcBg== X-Gm-Message-State: APf1xPCS30eovxiq+Yo6IVw133borRvsZekHhQGBGStyl2/+7TwPdU8K oHVd1YH38rCwp4jIEQMuyMs= X-Google-Smtp-Source: AH8x224TG/N7QcyGxfWd+YNqN5Dh/jb5L+i4z3W1jEfudcdeFUUZjZuxKiRLGf4py/wQZL6Qa0KVBg== X-Received: by 10.25.39.136 with SMTP id n130mr8272320lfn.67.1518443798246; Mon, 12 Feb 2018 05:56:38 -0800 (PST) Received: from [192.168.239.216] (83-245-233-185-nat-p.elisa-mobile.fi. [83.245.233.185]) by smtp.gmail.com with ESMTPSA id r13sm1705837lfr.19.2018.02.12.05.56.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Feb 2018 05:56:37 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) From: Jonathan Morton In-Reply-To: Date: Mon, 12 Feb 2018 15:56:35 +0200 Cc: bloat@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Bruno George Moraes X-Mailer: Apple Mail (2.3445.5.20) Subject: Re: [Bloat] Curious case of local "Fiber" X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Feb 2018 13:56:39 -0000 > On 22 Jan, 2018, at 10:07 pm, Bruno George Moraes = wrote: >=20 > My NIC is configured to only 1/1 buffers, then MTU 1492 (increased of = default 1480), PPoE login with Windows 10 using CUBIC. I didn't know Windows supported CUBIC. The default AFAIK is Compound = TCP, if it isn't NewReno. In any case, it looks like the bottleneck isn't at your NIC (so your = settings don't matter), but at the router terminating the fibre for the = whole building. That's the best place to mitigate the bloat, since it = would work for the whole building's uplinks. - Jonathan Morton