From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 93C6E3B29D for ; Thu, 25 Feb 2021 05:51:35 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1614250293; bh=r8g3Nkb0B+MMcl3brXCYdfX++L7Sp6e4XSXjBkJcKLc=; h=X-UI-Sender-Class:Subject:From:In-Reply-To:Date:Cc:References:To; b=ifa3Th9qx4kONGRMwOh6GbpXqbUhv8snCsUtxU+udnyQZeIJ0KQPRXPteqwokyr3D SFgahDACHTT3E7p7q7fcmUiKIFzsizA0hUA2VG3cMq+D1EtFKAHQNwxy7d8qe9MvGb DdCz9Bzu47BeL16PMU57vFSQ1e6d4c7Ok/HAW1A0= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.250.106] ([134.76.241.253]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MbivM-1lor2h2Xba-00dHmc; Thu, 25 Feb 2021 11:51:33 +0100 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.17\)) From: Sebastian Moeller In-Reply-To: Date: Thu, 25 Feb 2021 11:51:33 +0100 Cc: =?utf-8?Q?Dave_T=C3=A4ht?= , sam@waveform.com, bloat Content-Transfer-Encoding: quoted-printable Message-Id: <5CB9F40C-5FFB-4ABC-A184-A3C3A29D2413@gmx.de> References: To: Sina Khanifar X-Mailer: Apple Mail (2.3445.104.17) X-Provags-ID: V03:K1:ezOAhxVhY+o+AI6dcLtMp9lUkcZZ+BQu2S/qBrzhAma9uKTJ+RV CgMF1OrSUVoQwb9HQQg/u+1Jd9N9syC436UoaCPezLmGM/mofa2dGF+faBwOoa8rYmbIcFo XaICpdZCB0Cf85lwg5ivIW8T9UeILCgJFedjs6udQiGdEl1dHsmzS9ROzJeURt1jNJVcvzQ ZRDtXZPLuqGtBdisu9gWg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:5Fj2dKc/BEg=:d0cZaDWrobLwXF5xe/IJqL zK0otmXk9fX4c53+UgQpjzxF6xe5TPg6VuZ8nLaGqeqUhXO5ktm3cURRqi6ZWW2MlOszKZm4/ a27gcZWXBPDcpcWtzF3Uw8GFhQtwsalUpkmATdmTCl2RBj6xVzs3VaZxc8/XDS4u+UNE31F5n oeWBhL3gMBWCAR168kR3ULi/wRHSeKPaUBYGGFsTxQqSwqorwmD7tSSFmeCHmLdfN8SKMiaS+ 2bzhz0My0Ei0fkVMQEnXj6Mq1XiSY/ZhTw+/ghmwLYEkn/kykRgQyUA+W+0l9iPYHOUA5TvMG 2x44+7ugKrickyYsIor6t92+0d6Raw/WnreYBhPgllbEmhgv9Te54MeT1Wttk8ESjYXYyyhHF yNeen3tJbb5oPq+n8W7OL83f4+eG1ygD6SWiSq/kkCiBPddWOBa+q4O2olt7JDlmNBCnL6ukK J3U3tuWMfAREFrI93Mo7n7KplSxo6gM3Gl6iiCL3WFPUqmp/FrVoDnD2yTP10VIMJhRhHCQQz kkICYcXMRkKesLQnwdZ3DHfp3F7dpfK4iKqSkxRXt+ad8Z9Z5h7ycdkQ+rLovPiRNRoWMgdWx jVEAg+rybvHDXOAaWhWJun2QCOXnhkPJLl9PgtDZueeBmejL1wJBpZjabn9vqWW/MvmpV8deF 718c2IO7oXhtPVZWmKY5VWKVRHsx0NlOOlGMNLPfsKZTqvg7epsbeNuOo7BTHfw7g8EP2bpiO sAgTwTXFdzUvIEW4fa9QTFymLUF5O3X2om+7NDuMjDzwaBY3+eO9caCgS+DRr2MzDCry8xKol BOtJXsSCgSXuPBbcsetMGyT6ftXirrms5Cpt1iutgfcrudSZqNsqTCDFOphzCdDcLB+X/8Ryu BnGtFbKYYBD8DL9pUAGA== Subject: Re: [Bloat] Updated Bufferbloat Test 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: Thu, 25 Feb 2021 10:51:35 -0000 Hi Sina, > On Feb 25, 2021, at 06:56, Sina Khanifar wrote: >=20 > Thanks for the feedback, Dave! >=20 >> 0) "average" jitter is a meaningless number. In the case of a = videoconferencing application, what matters most is max jitter, where = the app will choose to ride the top edge of that, rather than follow it. = I'd prefer using a 98% number, rather than 75% number, to weight where = the typical delay in a videoconfernce might end up. >=20 > Both DSLReports and Ookla's desktop app report jitter as an average > rather than as a max number, so I'm a little hesitant to go against > the norm - users might find it a bit surprising to see much larger > jitter numbers reported. We're also not taking a whole ton of latency > tests in each phase, so the 98% will often end up being the max > number. > [...] [SM] Maybe the solution would be to increase the frequency of the RTT = measures and increase the quantile somewhat, maybe 90 or 95? Best Regards Sebastian=