From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-x234.google.com (mail-wr0-x234.google.com [IPv6:2a00:1450:400c:c0c::234]) (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 E4F613CB36 for ; Mon, 18 Dec 2017 15:32:52 -0500 (EST) Received: by mail-wr0-x234.google.com with SMTP id l41so3407814wre.11 for ; Mon, 18 Dec 2017 12:32:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=84PZePXgRhLqYO1lUBbXswnfKsKXNDnDpxX5T2ADdHM=; b=F5PkkXFmqE+6XIi+ouUl420PUukxjRB7wwZDY/aOiMdI0SRhldal7HNZCAd+hm4NMN z/p2GkpzXRNiw0XjfzptjJxMkN3kpkKoUcWfhEdTcT7ObOwJ6gx0vt2mY6haNz5eLloq s5GqT1k3zO3TBcC5SMD5vl/iku+zsKT6SWOVp4ymjciY4r4dR49XHq46o4ChIDB0EB6k vEEwkvuu04rmskh23UDe0yFKQaF35Q6ljeJdB6UU+kIjmrc+gcHkeAFX8MkQ7nhuDcLz ImVzbO7Yd7vLVH3/Plxer8xa0o2FPji9XuYykgFMHSXkAKbdHCTl3oTKnqqX2wU4D1LW kiAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding; bh=84PZePXgRhLqYO1lUBbXswnfKsKXNDnDpxX5T2ADdHM=; b=jT6glW93OQvRu0AQfXt+rIfAhuSMXmC3ilfuN0t22PiCjIbhYdqhTqFGCR9E8xkoFd 4k68MUAHcV7mgUFzbb2fDVUlth64kpTgRL1ySNbUA563a4xXm+R4c2rGwJgt5DssA/uA bvfwG0ucQZ+BdTPSwTg5ovJDw9cby/NoidzKu7rIiv7ZIqaLYZuWX3EK23q5lquCvH8Z AY/T0CrOlmwwysvb2oyt34tjy9uLUmNNcAiEio2j14RtDlY1JRb7h/tL3vQK9pUnm4z2 hbOeOpiusupW6rjV9OdkdkloS+eJImg7SUu0HgWYB2PsCsR0TvWrCNVIkGpEb4aId4V7 KRZA== X-Gm-Message-State: AKGB3mK7mU2IfAEf/v5Hrpx09gqcL8vJi1KJJfUSI9UnLg2w/vpi5f3v IkOu3Spf6Cox/kveBzVl9+KD9A== X-Google-Smtp-Source: ACJfBos09I8RpZ3ND6T+uCxa0qMCf1oVU3559/bmNzxAneOadBWVvqiVxGsbiY2nhFJSrdqNyH4NtQ== X-Received: by 10.223.160.40 with SMTP id k37mr1401880wrk.66.1513629171854; Mon, 18 Dec 2017 12:32:51 -0800 (PST) Received: from [192.168.0.3] (209.77.159.143.dyn.plus.net. [143.159.77.209]) by smtp.gmail.com with ESMTPSA id o107sm6537421wrc.63.2017.12.18.12.32.50 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Dec 2017 12:32:50 -0800 (PST) To: Cake@lists.bufferbloat.net From: Andy Furniss Message-ID: <31d49a5d-02a2-3dc8-a455-52d453b83bdf@gmail.com> Date: Mon, 18 Dec 2017 20:32:49 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0 SeaMonkey/2.51a2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: [Cake] overheads or rate calculation changed? 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: Mon, 18 Dec 2017 20:32:53 -0000 Been running a cake cobolt from april for some time using tc qdisc add dev ppp0 handle 1:0 root cake bandwidth 19690kbit raw overhead 34 diffserv4 dual-srchost nat rtt 200ms tc -s qdisc ls dev ppp0 (ppp0 is pppoe) qdisc cake 1: root refcnt 2 bandwidth 19690Kbit diffserv4 dual-srchost nat rtt 200.0ms noatm overhead 56 via-ethernet Which is backed off a couple of kbit and tests well (overhead 33 + udp flood is over limit) With current cobalt + current tc the same command is under rate - I don't know if its rate calculation or overheads calc changed. overhead 20 (-14) is still under but overhead 12 (-22) is over. I was hoping one of those would be correct, but no. Any ideas/known changes?