From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ondar.cablelabs.com (ondar.cablelabs.com [192.160.73.61]) by huchra.bufferbloat.net (Postfix) with ESMTP id 5108B21F17F for ; Wed, 28 Nov 2012 13:45:36 -0800 (PST) Received: from kyzyl.cablelabs.com (kyzyl [10.253.0.7]) by ondar.cablelabs.com (8.14.5/8.14.5) with ESMTP id qASLjZTP029441; Wed, 28 Nov 2012 14:45:35 -0700 Received: from srvxchg.cablelabs.com (10.5.0.15) by kyzyl.cablelabs.com (F-Secure/fsigk_smtp/407/kyzyl.cablelabs.com); Wed, 28 Nov 2012 14:45:35 -0700 (MST) X-Virus-Status: clean(F-Secure/fsigk_smtp/407/kyzyl.cablelabs.com) Received: from srvxchg.cablelabs.com ([10.5.0.15]) by srvxchg ([10.5.0.15]) with mapi; Wed, 28 Nov 2012 14:45:35 -0700 From: Greg White To: Oliver Hohlfeld , "bloat@lists.bufferbloat.net" Date: Wed, 28 Nov 2012 14:45:48 -0700 Thread-Topic: [Bloat] [Cerowrt-devel] FQ_Codel lwn draft article review Thread-Index: Ac3NsbLaxAU2IIAlRfSZrTtL0zRjwQ== Message-ID: In-Reply-To: <50B66F95.9040904@net.t-labs.tu-berlin.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.5.121010 acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [Bloat] [Cerowrt-devel] FQ_Codel lwn draft article review X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Nov 2012 21:45:36 -0000 Yes, the referenced paper is a reduction of the G.107 E-Model to measurable transport-level quantities. It is a simple approximation, but then everything related to assessing voice quality is an approximation to some degree. -Greg On 11/28/12 1:09 PM, "Oliver Hohlfeld" wrote: >> Cole, Robert G., and Joshua H. Rosenbluth. "Voice over IP performance >> monitoring." ACM SIGCOMM Computer Communication Review 31, no. 2 (2001): >> 9-24. > >You might want to check ITU-T Recommendation G.107 (E-Model), which is a >widely accepted standard on this matter. Note that it was originally >designed as network planning tool, but is often used as parametric >quality estimation model nowadays. It has some limitations, so check the >respective assumptions before applying it and take the results with a >grain of salt. There is a whole bunch of literature discussing this. > >--Oliver >_______________________________________________ >Bloat mailing list >Bloat@lists.bufferbloat.net >https://lists.bufferbloat.net/listinfo/bloat