From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from CAN01-TO1-obe.outbound.protection.outlook.com (mail-eopbgr670095.outbound.protection.outlook.com [40.107.67.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 5D4783B2A4 for ; Wed, 28 Nov 2018 13:25:15 -0500 (EST) 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=08wCc7J198P5XIKO6UKmJbfesGCT/S4BZtQ51QzazRI=; b=FNmKnSL/4mYvWe/Y7AHKhZPZyyf6rTMlEh38EiXUamDI9KhcxXg9lAHGn0ZA5qpGu5LANanohRQBZiDrRdJv+sxxrOEtqCvYjtzN8C6re6zKS6u6hdlO/JF+3eWHSa50/Uq6oS8nsvk/FCGD4N6PldZDCPLOInLwQBYozvW8FGs= Received: from YQXPR0101MB1895.CANPRD01.PROD.OUTLOOK.COM (52.132.75.25) by YQXPR0101MB2088.CANPRD01.PROD.OUTLOOK.COM (52.132.77.153) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1294.26; Wed, 28 Nov 2018 18:25:14 +0000 Received: from YQXPR0101MB1895.CANPRD01.PROD.OUTLOOK.COM ([fe80::dcce:5206:b1c6:8e93]) by YQXPR0101MB1895.CANPRD01.PROD.OUTLOOK.COM ([fe80::dcce:5206:b1c6:8e93%2]) with mapi id 15.20.1361.019; Wed, 28 Nov 2018 18:25:14 +0000 From: Dave Collier-Brown To: "bloat@lists.bufferbloat.net" Thread-Topic: [Bloat] known buffer sizes on switches Thread-Index: AQHUh0e05UatS4lrRUizpfdXIeIS8g== Date: Wed, 28 Nov 2018 18:25:14 +0000 Message-ID: <6ed75e9f-2f41-61fe-2306-68254c8a16ed@indexexchange.com> References: <87y39dywei.fsf@taht.net> In-Reply-To: <87y39dywei.fsf@taht.net> Reply-To: Dave Collier-Brown Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: YTXPR0101CA0024.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b00::37) To YQXPR0101MB1895.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:c00:16::25) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Dave.Collier-Brown@indexexchange.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [99.242.215.211] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; YQXPR0101MB2088; 6:E8F2nwAFPdq363LbNFKBXpnA3BIQ/G+8zktZsoXdxWt+K7ENvL80PXNdfdLs5H/pCbdNMVbXMnU0fKVe4NEwqWr25niCI1SMrKKQFue9f6yJgoavIskLgJkEswepJPdms5X7O+gR11XiggwV8pMp2SPCIRnacKMF8laThWSSkEqtgyeliSCRJhN3Re9Gj978Bsdq8k10NTXiZ7veNLzSg1QHYAmxuj0IY0CZnlpG+OGUIVxgW+mJ/hGCmNDg9g4Xsm499QVSA79T4PxIxXwrbEu7Ggb+wY4H4XlijZ/X+f/Gc3sydfu4b6ajXmbnOP17zUbTGyWr4NAXq4CSvddyyG5WSwJkntMYn+MiwXbcDH0++buswcFAoG34TpFSXjdmm1A5VvIlWu9TYvZ6PvBPRNl3UZJ1qHCRcVcUBVfPgjv1Un1B6/PDizXj5a30n7Wi5D+roAdn7+WaO2+jpTctBw==; 5:eWMrXnM0EnFBEBf7SJrix9BU1JKhNkFB0eX8kC/UJqZA2djlD00ySLFa6NfBODG/gmmLdCSvnQSn+bJXofar03I5WHxW0LOCIT64RUwQbp6X663XRm++FD3AvAOVLM2bIro53ab90zRR0YKtxpCWgufaQyuXVHV1NqUe+14YtGI=; 7:6rBFIsdiIWivI6A7BATLjCRMWI6yleGl1mbs0guUap/haID6DR21p4aFldac3ysDq5CCsAB/cOkDcGujDDPdbLuUELlVBsvSrQemEwC2NUdMS01RdVLXm5mWbdqgALijEXMf7veEAD1mcJpCN7jJoQ== x-ms-office365-filtering-correlation-id: bbdca0d0-133c-4d6c-15e3-08d6555ed704 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390098)(7020095)(4652040)(8989299)(5600074)(711020)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7153060)(7193020); SRVR:YQXPR0101MB2088; x-ms-traffictypediagnostic: YQXPR0101MB2088: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(6040522)(2401047)(8121501046)(5005006)(10201501046)(3231443)(999002)(944501410)(52105112)(93006095)(93001095)(3002001)(148016)(149066)(150057)(6041310)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123562045)(20161123558120)(201708071742011)(7699051)(76991095); SRVR:YQXPR0101MB2088; BCL:0; PCL:0; RULEID:; SRVR:YQXPR0101MB2088; x-forefront-prvs: 0870212862 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(396003)(39850400004)(136003)(376002)(346002)(366004)(38564003)(199004)(189003)(14454004)(31696002)(5660300001)(5024004)(14444005)(256004)(36756003)(305945005)(8936002)(6506007)(53546011)(386003)(4001150100001)(486006)(71200400001)(7736002)(6116002)(52116002)(478600001)(6486002)(72206003)(68736007)(6246003)(102836004)(66066001)(6916009)(71190400001)(476003)(2351001)(106356001)(105586002)(6512007)(99286004)(2616005)(2906002)(8676002)(446003)(1730700003)(26005)(53936002)(11346002)(81156014)(25786009)(31686004)(229853002)(345774005)(186003)(3846002)(81166006)(316002)(6436002)(3450700001)(76176011)(43066004)(86362001)(5640700003)(2501003)(97736004); DIR:OUT; SFP:1102; SCL:1; SRVR:YQXPR0101MB2088; H:YQXPR0101MB1895.CANPRD01.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: indexexchange.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: 37pZ3Q53hD4fyfnEnmjfLyYhrrmkTiCvOpiH9/s1qo9O1WL8y6TorDS+G7WeoLh1OwEI2SIOHuUySdkxjlXt00TVr5hekFjf1y2namQT7m46A16jmip4ijVwn0o21WYI7/nUW/U7OlwCFz5SFciu8R+a6dRr5NXqBpb899KVbBNE8oReMIa5ke5Lkc1ITeuRy2c+3pqOFmWWLQ41mVnea5fzO+8ApDJRvI2fUM9K/q/uMtm+cYcvzTI7hLjPMmNParTGRq4xMMbsIcw33dp6pJJp9xhHbxC8Qs/1/Uq0FcFhE/n6D7neT3LR/8Y0BtBTnaw75C97CeD5o4wM/wetzh/ldbT2qthoW1WpP/YbumI= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <298A43BB2E140C4286F01C4449DE93BF@CANPRD01.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: indexexchange.com X-MS-Exchange-CrossTenant-Network-Message-Id: bbdca0d0-133c-4d6c-15e3-08d6555ed704 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Nov 2018 18:25:14.4033 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b07c0690-22b8-4366-8d8d-7b845d088e18 X-MS-Exchange-Transport-CrossTenantHeadersStamped: YQXPR0101MB2088 X-Mailman-Approved-At: Sun, 02 Dec 2018 22:38:56 -0500 Subject: Re: [Bloat] known buffer sizes on switches 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, 28 Nov 2018 18:25:15 -0000 T24gMjAxOC0xMS0yOCAxMTo1NSBhLm0uLCBEYXZlIFRhaHQgd3JvdGU6DQoNCj4gVGhhbmsgeW91 IGZvciB0aGF0LiBJIGRvIGhhdmUgYSBsb25nIHN0YW5kaW5nIGRyZWFtIG9mIGEgc2luZ2xlIGNo aXANCj4gd2lmaSByb3V0ZXIsIHdpdGggdGhlIGxvd2VzdCBTTlIgcG9zc2libGUsIGFuZCB0aGUg bWluaW11bSBudW1iZXIgb2YNCj4gcGlucyBjb21pbmcgb2ZmIG9mIGl0LiBJJ2Qgc2V0dGxlIGZv ciAzMk1CIG9mIChzdGF0aWM/KSByYW0gb24gY2hpcCBhcw0KPiB0aGF0IGhhcyBwcm92ZW4gc3Vm ZmljaWVudCB0byBkYXRlIHRvIGRyaXZlIDgwMi4xMW4uLi4uDQo+DQo+IHdoaWNoIHdvdWxkIGxl dCB5b3UgZ2V0IHJpZCBvZiBib3RoIHRoZSBMMiBhbmQgTDEgY2FjaGUuIFRoYXQgc2FpZCwgSQ0K PiB0aGluayB0aGUgY29zdCBvZiAzMk1CIG9mIG9uLWNoaXAgc3RhdGljIHJhbSByZW1haW5zIGEg Yml0IGhpZ2gsIGFuZA0KPiBwbHVnZ2luZyBpdCBpbnRvIGEgbWlwcyBjcHUsIGtpbmQgb2Ygc2ls bHkuIFNvbWVkYXkgdGhlcmUgd2lsbCBiZSBhIGNhc2UNCj4gdG8ganVzdCBkb2luZyBldmVyeXRo aW5nIG9uIGEgc2luZ2xlIGNoaXAsIGJ1dC4uLg0KDQpJIGNvdWxkIHNlZSAzMk1CIG9yIG1vcmUg b2YgZmFzdCBtZW1vcnkgb24tY2hpcCBhcyBiZWluZyBhdHRyYWN0aXZlIHdoZW4NCm9uZSBpcyBm aWdodGluZyB3aXRoIGRpbWluaXNoaW5nIHJldHVybnMgaW4gQ1BVIHNwZWVkIGFuZCBwcm9ncmFt DQpwYXJhbGxlbGl6YWJpbGl0eS4NCg0KSW4gdGhlIHBhc3QgdGhhdCBtaWdodCBoYXZlIGV4Y2l0 ZWQgTUlQUywgYnV0IHRoZXNlIGRheXMgbGVzcyBzby4gTWF5YmUNCkFSTT8gSUJNPw0KDQotLWRh dmUNCg0KLS0NCkRhdmlkIENvbGxpZXItQnJvd24sICAgICAgICAgfCBBbHdheXMgZG8gcmlnaHQu IFRoaXMgd2lsbCBncmF0aWZ5DQpTeXN0ZW0gUHJvZ3JhbW1lciBhbmQgQXV0aG9yIHwgc29tZSBw ZW9wbGUgYW5kIGFzdG9uaXNoIHRoZSByZXN0DQpkYXZlLmNvbGxpZXItYnJvd25AaW5kZXhleGNo YW5nZS5jb20gfCAgICAgICAgICAgICAgLS0gTWFyayBUd2Fpbg0KDQoNCkNPTkZJREVOVElBTElU WSBOT1RJQ0UgQU5EIERJU0NMQUlNRVIgOiBUaGlzIHRlbGVjb21tdW5pY2F0aW9uLCBpbmNsdWRp bmcgYW55IGFuZCBhbGwgYXR0YWNobWVudHMsIGNvbnRhaW5zIGNvbmZpZGVudGlhbCBpbmZvcm1h dGlvbiBpbnRlbmRlZCBvbmx5IGZvciB0aGUgcGVyc29uKHMpIHRvIHdob20gaXQgaXMgYWRkcmVz c2VkLiBBbnkgZGlzc2VtaW5hdGlvbiwgZGlzdHJpYnV0aW9uLCBjb3B5aW5nIG9yIGRpc2Nsb3N1 cmUgaXMgc3RyaWN0bHkgcHJvaGliaXRlZCBhbmQgaXMgbm90IGEgd2FpdmVyIG9mIGNvbmZpZGVu dGlhbGl0eS4gSWYgeW91IGhhdmUgcmVjZWl2ZWQgdGhpcyB0ZWxlY29tbXVuaWNhdGlvbiBpbiBl cnJvciwgcGxlYXNlIG5vdGlmeSB0aGUgc2VuZGVyIGltbWVkaWF0ZWx5IGJ5IHJldHVybiBlbGVj dHJvbmljIG1haWwgYW5kIGRlbGV0ZSB0aGUgbWVzc2FnZSBmcm9tIHlvdXIgaW5ib3ggYW5kIGRl bGV0ZWQgaXRlbXMgZm9sZGVycy4gVGhpcyB0ZWxlY29tbXVuaWNhdGlvbiBkb2VzIG5vdCBjb25z dGl0dXRlIGFuIGV4cHJlc3Mgb3IgaW1wbGllZCBhZ3JlZW1lbnQgdG8gY29uZHVjdCB0cmFuc2Fj dGlvbnMgYnkgZWxlY3Ryb25pYyBtZWFucywgbm9yIGRvZXMgaXQgY29uc3RpdHV0ZSBhIGNvbnRy YWN0IG9mZmVyLCBhIGNvbnRyYWN0IGFtZW5kbWVudCBvciBhbiBhY2NlcHRhbmNlIG9mIGEgY29u dHJhY3Qgb2ZmZXIuIENvbnRyYWN0IHRlcm1zIGNvbnRhaW5lZCBpbiB0aGlzIHRlbGVjb21tdW5p Y2F0aW9uIGFyZSBzdWJqZWN0IHRvIGxlZ2FsIHJldmlldyBhbmQgdGhlIGNvbXBsZXRpb24gb2Yg Zm9ybWFsIGRvY3VtZW50YXRpb24gYW5kIGFyZSBub3QgYmluZGluZyB1bnRpbCBzYW1lIGlzIGNv bmZpcm1lZCBpbiB3cml0aW5nIGFuZCBoYXMgYmVlbiBzaWduZWQgYnkgYW4gYXV0aG9yaXplZCBz aWduYXRvcnkuDQo=