From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from homiemail-a30.g.dreamhost.com (homie-sub4.mail.dreamhost.com [69.163.253.135]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id D95E63BA8E for ; Wed, 20 Jun 2018 10:03:17 -0400 (EDT) Received: from homiemail-a30.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a30.g.dreamhost.com (Postfix) with ESMTP id 0A54F14001108; Wed, 20 Jun 2018 07:03:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pollere.net; h=subject:to :references:from:message-id:date:mime-version:in-reply-to :content-type:content-transfer-encoding; s=pollere.net; bh=b/IMw oCeH1W6R7i+BdLDRiFjVzk=; b=omQ0AwSRhE8xIpVr499PwXbd3Bq0h1Cnv/xBf WWTwtQyU7Hp80aOHpf+g0wAv2qXFEoSAWvSmGLdYOtWRPp5itLh8OcDpIZcISH7X ZxSofDBsvwh21Z58yQ3hS/krEIap/YUc2iDpwfRJh6H7zIuRbg6uhFKQDD7b9gMN bFGIP0= Received: from kmnimac.local (c-67-160-239-168.hsd1.ca.comcast.net [67.160.239.168]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: nichols@pollere.net) by homiemail-a30.g.dreamhost.com (Postfix) with ESMTPSA id E46EF14001106; Wed, 20 Jun 2018 07:03:16 -0700 (PDT) To: bloat@lists.bufferbloat.net References: <1529339194.276412941@apps.rackspace.com> <1529361825.80979395@apps.rackspace.com> <145517.1529440447@turing-police.cc.vt.edu> <4D964A33-9AEC-4F5F-94C9-5A1FE430F2E2@gmx.de> <45C92436-3944-493B-9C17-C678A9027B08@gmx.de> From: Kathleen Nichols Openpgp: preference=signencrypt Autocrypt: addr=nichols@pollere.net; prefer-encrypt=mutual; keydata= xsDiBEC83ecRBAC+SoOIjjcKTrEvMEA6p7BamLNoS5P/Pb51j184ZU2/s3aCLl3Q/BCkFxT+ cFCnthIsgxMXrSGELwRkevkTX8GUlBaKIvrp7Ye9NjbYBC1NZWFyAKzZUI1eF2AibUbXAFtV qAIPyCXuMdaOSrXTPAdbHIQxZk9zEa6Xh0zj1uwczwCg7iDV4fIclpmP8arjkQWm8grrwi8D /2Bb81fEGvF83KVNoPiy1hNfrIHmYevQiLaOVJkJPQzi+DxJSRCRkAV7z7nAhXXWVCWkshHL r5d07ElPZPgxft74pk3U6ygqFAGz97V8A2+7ZLa2RHwgb5ZIUeaSMgpXqUfxjDQuq34AQBWX 8xwwBR4JhuhxrN+8uZEMG0Neqm5SA/9wkL6moHBKl+PvV3O7ap+kVXC97NfVFG72b8EVvw5W HRUtUGdxFhNuAhS4QNWaCdYOm6VC9xlZGhykcXAzyC0tjB8Kbk44KzJrtIzpCWoI58PZSCPD n8PhFKKItcQ/hY8QNAeHEcEvInCjNz/w+7ik0gF8xQy2yA9eulVzg7l2380mS2F0aGxlZW4g TmljaG9scyA8bmljaG9sc0Bwb2xsZXJlLm5ldD7CYgQTEQIAIgUCVL1s9AIbAwYLCQgHAwIG FQgCCQoLBBYCAwECHgECF4AACgkQ+dkULylClLYRYwCgzd2IlR14SGzqKWdxY5W4kJ1yAyQA oI6A9QUyuoz/5DDBN1o5g/nFXpS5zsFNBEC83ocQCACXUuOfleOzud5aRpG20cdZcmGwn46Y K7vXPKHrtKema3u3AhDhm/dpU2hnD/1bflCnHk2TX/MNnJ/9jVLVAMcj1GmXS4Zj/DMypQ2/ 5r213nBbWEjcS4wOhFEAcfApEU0d4LG/v/SPDJqqrvP5txXxox9z7JG0OEXeGzZU8Ro5LAkJ HJSBdSN1je61XYolMbPvZ8Wo9APIJnJEIc1DG2+3oHgJA1a2QN+xnia4hs90CnR/VDcBSH/l yFk0lWnBxeJLwqYTWgGRLAM4JtA3C3LYe/h6gK2o4ug0NRcKRBdJk4pHDJenjKx1LjjpGEBA L5FyZqAA+3Do9PH8Pzm4vDKDAAMGCACBSF4C01c4XJgm/qw0moM7sxcb2nBVIpEubl8OHQf3 zLX2UAoNy8SKjHZsyp984jTLBr/VHqY/+BsL9W1uPf0ssPnYieq58aMtRXEtFCF2i4m6CZoj a+hFImKhIIvvhGE1rYyK13AnvjywTDK0XadJwqNKNPwZasHnK7xx/foKmaMilZL4UwRDEs39 1FQfbhcm83NZ2xGEuK+fYAg8VA5pTIUcrhQEC9sORQ3g5Alw+2o13oC6fO/SyQ9iqnOZ0WBq +cJE10zM7K5aNuNI/853ot9fglOHRnlDnxd9pg+QxGq1L4O4l3rjoLbtiqtGOzJpUAguBsGu JZQJgyS9fkNjwkkEGBECAAkFAkC83ocCGwwACgkQ+dkULylClLYI6wCgtctwza77h+XplNbp hHp3WFniTxwAn1duX7R8SZX7KDSysitOQEXN3v6O Message-ID: <7ce45ade-9b3d-ba48-acc8-31589cbfd69e@pollere.net> Date: Wed, 20 Jun 2018 07:03:16 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <45C92436-3944-493B-9C17-C678A9027B08@gmx.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Sun, 24 Jun 2018 19:13:19 -0400 Subject: Re: [Bloat] (no subject) 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: Wed, 20 Jun 2018 14:03:18 -0000 On 6/19/18 11:56 PM, Sebastian Moeller wrote: > > Addendum: when running speedtests on cable for the purpose of estimating the "true" docsis shaper goodput one needs to take care to not be fooled by transient bandwidth allowances like powerboost but rather one needs to find the sustainable stable maximum bandwidth; so fun all around. (And one needs to account for the correct overhead in the equation above so in the IPv6 case the (1500-20-20) needs to be replaced by (1500-40-20)) > This is a good argument for *monitoring* the link rather than snapshotting it. Kathie