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Fri, 24 Jul 2020 17:42:08 +0000 Received: from AM0PR03MB4564.eurprd03.prod.outlook.com ([fe80::8c7e:1461:d31d:e5c4]) by AM0PR03MB4564.eurprd03.prod.outlook.com ([fe80::8c7e:1461:d31d:e5c4%5]) with mapi id 15.20.3195.027; Fri, 24 Jul 2020 17:42:08 +0000 From: Kevin Darbyshire-Bryant To: Cake List Thread-Topic: [Cake] diffserv3 vs diffserv4 Thread-Index: AQHWYdMP82xlrjF1cECorjGMH4SWNqkW/9mA Date: Fri, 24 Jul 2020 17:42:08 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3608.120.23.2.1) authentication-results: lists.bufferbloat.net; dkim=none (message not signed) header.d=none; lists.bufferbloat.net; dmarc=none action=none header.from=darbyshire-bryant.me.uk; x-originating-ip: [2a02:c7f:1227:c00::dc83] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 3c2b2977-965b-4bad-88d0-08d82ff8e368 x-ms-traffictypediagnostic: AM0PR03MB4947: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; 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boundary="Apple-Mail=_5AA2CBCC-E927-4D2E-B9F5-1D1F0568CDC7"; protocol="application/pgp-signature"; micalg=pgp-sha256 MIME-Version: 1.0 X-OriginatorOrg: darbyshire-bryant.me.uk X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM0PR03MB4564.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3c2b2977-965b-4bad-88d0-08d82ff8e368 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Jul 2020 17:42:08.5879 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9151708b-c553-406f-8e56-694f435154a4 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: NM5Xsiwdu8jotzScUPGtmvTFGGicGpuf8vbJJ7e8BoEs+klfpTgPr09kgDCJAApQgp3Bd2Hm45aXCX1n3d1x8wm1mSJf5ReVyJVSvoNFCqc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR03MB4947 Subject: Re: [Cake] diffserv3 vs diffserv4 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: Fri, 24 Jul 2020 17:42:10 -0000 --Apple-Mail=_5AA2CBCC-E927-4D2E-B9F5-1D1F0568CDC7 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On 24 Jul 2020, at 16:56, Justin Kilpatrick wrote: >=20 > "sqm-scripts used 3 tiers of priority pretty successfully as does = free.fr. - de-prioritization seems a good idea, prioritization not so = much." >=20 > This is the best comment on why diffserv3 is the default that I could = find on bufferbloat.net. I'm interested in hearing about what data = (anecdotes welcome) lead to this conclusion. As someone who is currently trying (but not that hard) to get a = diffserv5 implementation in upstream as opposed to a local hack the aim = being to have 2 lower than default classes I have some opinion on this. = My use case is straightforward, I want somewhere to put =E2=80=98Least = Effort=E2=80=99 traffic (eg Bittorrent) as a scavenger class that loses = out to my Bulk transfers (backups) At the other end of things I do = want to prioritise Voice (VOIP) above Video (netflix/facetime) above = =E2=80=98Best Effort=E2=80=99. LE, BK, BE, VI, VO The move from diffserv4 to diffserv5 WAS about de-prioritization. Cheers, Kevin D-B gpg: 012C ACB2 28C6 C53E 9775 9123 B3A2 389B 9DE2 334A --Apple-Mail=_5AA2CBCC-E927-4D2E-B9F5-1D1F0568CDC7 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEASyssijGxT6XdZEjs6I4m53iM0oFAl8bHW8ACgkQs6I4m53i M0pOuA//VwxL5iGNr6hVVbjva0wq7/NvB0+K87lvou/4Ywf9csErWSpytjI4VYZd 5zJkkYGdZeIjt2NOhmP6oR4CiGEbmDh6rQkgL1iOQD10yP3lmXfPcA6PnQOU5Kl8 gF76zkAOUJJaCVLpHStSqQpQesI2Z4cY64uPpq8NtMl4aHxQJ8U8GNK26ApqWcg9 4SLXdXgfc/evNUACBl1x1vawz51ai4pcLlzflrm0oM6lKCeAdRbWeSEemwXfULrN 3Yl5lH4levw6TYLww0Zsow940GdfcgHH4k1+f72d8SmdGHWSw48xCqQBCMxziL9Y 5GofY6958YmpgzRGws7gWeAwFCjbc8MUOzzQqDpNlXliq6737PH6x7W9JsedpqWJ RDMsnllBtyTZweGhWYYohHyiR0b3vCr8mYJVVFXs79YMFEhkLfiXTPnRTAeft/W2 wd7apG7Sbjt4Za0veBMMWzBEacOjauECwvgqdkPcyZFR6xYR8vJDPiPl/6QcEJHy iXY9Cdd3Lnl9ri0ohwh9wBK4Tp9wegAopOM1THmBLSZRf2NelqZw2bHJ85ECBZFg 0ckPEY/NxH7RXs4mrmevk+mUGwtBeCJfNZEQPrNz+CP9OmozdA/rGbvNb95W9/Iy El55G2x2y+pWG1tINUfM3NpvVz93lTJBBeT1slS6GyIa688ue1s= =CLPS -----END PGP SIGNATURE----- --Apple-Mail=_5AA2CBCC-E927-4D2E-B9F5-1D1F0568CDC7--