From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from CAN01-QB1-obe.outbound.protection.outlook.com (mail-eopbgr660103.outbound.protection.outlook.com [40.107.66.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id BBF0B3CB36 for ; Wed, 20 Mar 2019 19:12:06 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=indexexchange.onmicrosoft.com; s=selector1-indexexchange-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=fJ/6V6bu6lwhCaleP5Lk5znX4JJu67Gi7IdnBKZoArU=; b=e47tW/7KR9T6J00mc7zePR0153XIEiJ/8AzDf66bc68eq+1ui0BqltuQqCF/QTsh/o5q2CF+ZA8nVIHRoDSqBDrYby/OjKx0EMIBRNjM/ZFC4f5ORGAy+nTffrW/mBv8Qq9VEOYqFIBersYO6vGoySobxWDbpUX8j+HE+tCWm+Q= Received: from YT1PR01MB3035.CANPRD01.PROD.OUTLOOK.COM (10.255.40.223) by YT1PR01MB2444.CANPRD01.PROD.OUTLOOK.COM (10.255.40.219) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1709.13; Wed, 20 Mar 2019 23:12:04 +0000 Received: from YT1PR01MB3035.CANPRD01.PROD.OUTLOOK.COM ([fe80::591a:ccb9:9830:207e]) by YT1PR01MB3035.CANPRD01.PROD.OUTLOOK.COM ([fe80::591a:ccb9:9830:207e%3]) with mapi id 15.20.1709.017; Wed, 20 Mar 2019 23:12:04 +0000 From: Dave Collier-Brown To: Jonathan Morton , "davecb@spamcop.net" CC: David Lang , "bloat@lists.bufferbloat.net" Thread-Topic: [Bloat] [Ecn-sane] My (controversial) position paper on TCP Thread-Index: AQHU33JU5AxPrp2a2kKXN7hEukRlmA== Date: Wed, 20 Mar 2019 23:12:04 +0000 Message-ID: <8d746b03-bd3d-f011-9953-17df7a611373@indexexchange.com> References: <06867086-692C-464C-9AE3-38A401BABB29@gmail.com> In-Reply-To: <06867086-692C-464C-9AE3-38A401BABB29@gmail.com> Reply-To: Dave Collier-Brown Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BL0PR02CA0049.namprd02.prod.outlook.com (2603:10b6:207:3d::26) To YT1PR01MB3035.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:3::31) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Dave.Collier-Brown@indexexchange.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [99.240.251.181] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d56f47e7-2615-4b32-9977-08d6ad8976fc x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(2017052603328)(7153060)(7193020); SRVR:YT1PR01MB2444; x-ms-traffictypediagnostic: YT1PR01MB2444: x-microsoft-antispam-prvs: x-forefront-prvs: 098291215C x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(376002)(396003)(136003)(366004)(39850400004)(346002)(189003)(199004)(38564003)(6246003)(43066004)(446003)(52116002)(7736002)(81156014)(105586002)(31686004)(99286004)(81166006)(5660300002)(4326008)(76176011)(2501003)(3450700001)(2906002)(53936002)(305945005)(476003)(186003)(229853002)(486006)(6512007)(6486002)(6436002)(11346002)(8676002)(26005)(3846002)(5024004)(106356001)(8936002)(53546011)(2616005)(102836004)(6116002)(86362001)(71200400001)(71190400001)(31696002)(54906003)(36756003)(14444005)(68736007)(93886005)(256004)(386003)(14454004)(316002)(72206003)(97736004)(110136005)(478600001)(66066001)(6506007)(25786009); DIR:OUT; SFP:1102; SCL:1; SRVR:YT1PR01MB2444; H:YT1PR01MB3035.CANPRD01.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:3; received-spf: None (protection.outlook.com: indexexchange.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: vPkslPuztbpyQ9EBKHJu6gYSF0C1EixsxrhKz5tcR5f9FwF5Bf96IhHpw4EpJ1VuvieHv5JmJjS0kwxoyN2StryMxIHfCo+Beq/Pzw09s+Nu7sVNpGPjwF9Khkr4qieQJQzfaTnUc7rKGblBqOa2hchyd5K7FEQBAHvBMO9Jog/qB1fCifxIXwzDspgOwLEBYemb6owTVuOgYZQKMtPl+YOlgS/ifigsHiw0IcdvSf4c9IzCOAYuLeaPGK3YsPfksmLIi8aEXQmlgHj5ho720RSyFax30oYUJabuFY3nx3P7Omq4jRVp5e/vndu3jNdNxPIFwojXFVJJbED2vwK/H2UIhixJyhZXvVimnqyRUYXrbu30AUkN6JyuW592XVwDG2n1sRXliUhtZKxBUHSSVLube9/SlIEff9uQUYvqGkQ= Content-Type: text/plain; charset="utf-8" Content-ID: <0670DD8313521645A2A20B9EFB15690E@CANPRD01.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: indexexchange.com X-MS-Exchange-CrossTenant-Network-Message-Id: d56f47e7-2615-4b32-9977-08d6ad8976fc X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Mar 2019 23:12:04.1216 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b07c0690-22b8-4366-8d8d-7b845d088e18 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: YT1PR01MB2444 Subject: Re: [Bloat] [Ecn-sane] My (controversial) position paper on TCP 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 Mar 2019 23:12:06 -0000 U3VwZXIsIG11Y2ggYXBwcmVjaWF0ZWQhDQoNCk15IHRob3VnaHRzIGFib3V0ICJlZmZlY3RpdmUg bGlmZXRpbWUiIGp1c3QgZ290IGEgbG9uZyB0YWlsLCBwb3NzaWJseQ0Kc3VmZmljaWVudCB0byB3 YWcgdGhlIGRvZyAoOi0pKQ0KDQpEbyB5b3UgdGhpbmsgd2Ugc2hvdWxkIGJlIHNoaWZ0aW5nIHRv IHY2LCBhbmQga2VlcGluZyB2NCBuZWFybHkNCmludmFyaWFudCB0byBhZGRyZXNzIHRoZSBsb25n IHRhaWw/DQoNCi0tZGF2ZQ0KDQoNCg0KT24gMjAxOS0wMy0yMCA2OjI4IHAubS4sIEpvbmF0aGFu IE1vcnRvbiB3cm90ZToNCj4gSSBzdGlsbCBoYXZlIGEgZnVuY3Rpb25pbmcgIlVGTyItc3R5bGUg QXBwbGUgQWlycG9ydCBCYXNlIFN0YXRpb24gZnJvbSBhYm91dCAyMDAwLiAgSSBubyBsb25nZXIg aGF2ZSBhIGNvbnZlbmllbnQgbWVhbnMgb2YgcmVjb25maWd1cmluZyBpdCAocmVsaWVzIG9uIGEg cmVhbCBNYWMgd2l0aGluIGEgY2VydGFpbiByYW5nZSBvZiB2aW50YWdlcyksIGxldCBhbG9uZSB1 cGRhdGluZyBpdHMgZmlybXdhcmUsIGlmIEFwcGxlIGJvdGhlcmVkIHRvIGRvIHRoYXQgYW55IG1v cmUuDQo+DQo+IEEgbG90IG9mIHRob3NlIGRpZWQgZWFybHkgZHVlIHRvIGEgYmFkIGJhdGNoIG9m IGNhcGFjaXRvcnMgdGhhdCB3ZXJlIGdvaW5nIGFyb3VuZCBhdCB0aGUgdGltZS4gIEkgcmVwYWly ZWQgbWluZSwgYW5kIGl0IGhhc24ndCBnb25lIHdyb25nIHNpbmNlLiAgT25seSB0cm91YmxlIGlz LCBpdCBvbmx5IHN1cHBvcnRzIDgwMi4xMWIgYW5kIDEwYmFzZVQgaGFsZiBkdXBsZXguICBBbmQg YW4gYW5hbG9ndWUgbW9kZW0gd2hpY2gsIGFnYWluLCBJIGNhbiBubyBsb25nZXIgY29tbWFuZCBj b252ZW5pZW50bHkuDQo+DQo+IEkgYWxzbyBoYXZlIGEgY29uc2lkZXJhYmx5IGJldHRlciAyMDA3 IG1vZGVsLg0KPg0KPiBCb3RoIHJlY2VudGx5IHJldGlyZWQgaW4gZmF2b3VyIG9mIHRoZSBJUXJv dXRlci4NCj4NCj4gICAtIEpvbmF0aGFuIE1vcnRvbg0KPg0KPg0KLS0NCkRhdmlkIENvbGxpZXIt QnJvd24sICAgICAgICAgfCBBbHdheXMgZG8gcmlnaHQuIFRoaXMgd2lsbCBncmF0aWZ5DQpTeXN0 ZW0gUHJvZ3JhbW1lciBhbmQgQXV0aG9yIHwgc29tZSBwZW9wbGUgYW5kIGFzdG9uaXNoIHRoZSBy ZXN0DQpkYXZlLmNvbGxpZXItYnJvd25AaW5kZXhleGNoYW5nZS5jb20gfCAgICAgICAgICAgICAg LS0gTWFyayBUd2Fpbg0KDQoNCkNPTkZJREVOVElBTElUWSBOT1RJQ0UgQU5EIERJU0NMQUlNRVIg OiBUaGlzIHRlbGVjb21tdW5pY2F0aW9uLCBpbmNsdWRpbmcgYW55IGFuZCBhbGwgYXR0YWNobWVu dHMsIGNvbnRhaW5zIGNvbmZpZGVudGlhbCBpbmZvcm1hdGlvbiBpbnRlbmRlZCBvbmx5IGZvciB0 aGUgcGVyc29uKHMpIHRvIHdob20gaXQgaXMgYWRkcmVzc2VkLiBBbnkgZGlzc2VtaW5hdGlvbiwg ZGlzdHJpYnV0aW9uLCBjb3B5aW5nIG9yIGRpc2Nsb3N1cmUgaXMgc3RyaWN0bHkgcHJvaGliaXRl ZCBhbmQgaXMgbm90IGEgd2FpdmVyIG9mIGNvbmZpZGVudGlhbGl0eS4gSWYgeW91IGhhdmUgcmVj ZWl2ZWQgdGhpcyB0ZWxlY29tbXVuaWNhdGlvbiBpbiBlcnJvciwgcGxlYXNlIG5vdGlmeSB0aGUg c2VuZGVyIGltbWVkaWF0ZWx5IGJ5IHJldHVybiBlbGVjdHJvbmljIG1haWwgYW5kIGRlbGV0ZSB0 aGUgbWVzc2FnZSBmcm9tIHlvdXIgaW5ib3ggYW5kIGRlbGV0ZWQgaXRlbXMgZm9sZGVycy4gVGhp cyB0ZWxlY29tbXVuaWNhdGlvbiBkb2VzIG5vdCBjb25zdGl0dXRlIGFuIGV4cHJlc3Mgb3IgaW1w bGllZCBhZ3JlZW1lbnQgdG8gY29uZHVjdCB0cmFuc2FjdGlvbnMgYnkgZWxlY3Ryb25pYyBtZWFu cywgbm9yIGRvZXMgaXQgY29uc3RpdHV0ZSBhIGNvbnRyYWN0IG9mZmVyLCBhIGNvbnRyYWN0IGFt ZW5kbWVudCBvciBhbiBhY2NlcHRhbmNlIG9mIGEgY29udHJhY3Qgb2ZmZXIuIENvbnRyYWN0IHRl cm1zIGNvbnRhaW5lZCBpbiB0aGlzIHRlbGVjb21tdW5pY2F0aW9uIGFyZSBzdWJqZWN0IHRvIGxl Z2FsIHJldmlldyBhbmQgdGhlIGNvbXBsZXRpb24gb2YgZm9ybWFsIGRvY3VtZW50YXRpb24gYW5k IGFyZSBub3QgYmluZGluZyB1bnRpbCBzYW1lIGlzIGNvbmZpcm1lZCBpbiB3cml0aW5nIGFuZCBo YXMgYmVlbiBzaWduZWQgYnkgYW4gYXV0aG9yaXplZCBzaWduYXRvcnkuDQo=