From nobody Fri Feb 15 05:43:04 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8AEC112D4E9 for ; Fri, 15 Feb 2019 05:43:02 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.5 X-Spam-Level: X-Spam-Status: No, score=-0.5 tagged_above=-999 required=5 tests=[BAYES_05=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id c5uUeY4LOpFb for ; Fri, 15 Feb 2019 05:42:58 -0800 (PST) Received: from vesa.cs.pub.ro (vesa.cs.pub.ro [141.85.227.187]) by ietfa.amsl.com (Postfix) with ESMTP id 16FA712D4E6 for ; Fri, 15 Feb 2019 05:42:57 -0800 (PST) IronPort-SDR: rvnidfBiTiApc6qSbwBCRvOn1pz+zw08gyhyMALCxdmfWNlFE6JJlLt3sAf5uDnEXzJYfZnwYX DvxlLqkJh3JA== IronPort-PHdr: =?us-ascii?q?9a23=3AEn+6KB01rzjkircjsmDT+DRfVm0co7zxezQtwd?= =?us-ascii?q?8ZsesfI/ad9pjvdHbS+e9qxAeQG96Eu7QZ06L/iOPJZy8p2d65qncMcZhBBV?= =?us-ascii?q?cuqP49uEgeOvODElDxN/XwbiY3T4xoXV5h+GynYwAOQJ6tL2v7+SLpqGZOUl?= =?us-ascii?q?WibUsmbtjyT4vPi9i2z+mu+4HYe00cgSe5fbJqJQm2sQ7JnsgbnYUkLbw+nE?= =?us-ascii?q?jnuHxNLtpSzG9pIFOJ1zH4+sq5+oMrpzpUsv4g8s9aF6L+Y6kxS6FwBy9gK3?= =?us-ascii?q?0/otfs40qQBTCT72cRBz1F2iFDBBLIuUyiUw=3D=3D?= X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2BvFAD5wGZcjAPjVY1kHQIFCAWBZoJ?= =?us-ascii?q?qA24ShC2IeYxlmj8wCAGENoQYOBIBAwEBAgEBAgETAQEBJkwMgjoFAwQMDwm?= =?us-ascii?q?DChV2AiYCXw0IAQGDHAGBdgurNIEvhDMCgQ+EaAWBC40QP4E4hgkBAQIBhGe?= =?us-ascii?q?CVwKRDpIsBwKCOASFAIsUH4FgAYh8iB2QCI19NyCBVzMag2CCNYhohUE9AQG?= =?us-ascii?q?BNgEBjRgMgg0BAQ?= X-IPAS-Result: =?us-ascii?q?A2BvFAD5wGZcjAPjVY1kHQIFCAWBZoJqA24ShC2IeYxlm?= =?us-ascii?q?j8wCAGENoQYOBIBAwEBAgEBAgETAQEBJkwMgjoFAwQMDwmDChV2AiYCXw0IA?= =?us-ascii?q?QGDHAGBdgurNIEvhDMCgQ+EaAWBC40QP4E4hgkBAQIBhGeCVwKRDpIsBwKCO?= =?us-ascii?q?ASFAIsUH4FgAYh8iB2QCI19NyCBVzMag2CCNYhohUE9AQGBNgEBjRgMgg0BA?= =?us-ascii?q?Q?= X-IronPort-AV: E=Sophos;i="5.58,372,1544479200"; d="scan'208";a="3188922" Received: from mail.cs.pub.ro (HELO vmail.cs.pub.ro) ([141.85.227.3]) by vesa.cs.pub.ro with ESMTP; 15 Feb 2019 15:42:55 +0200 Received: from localhost (localhost [127.0.0.1]) by vmail.cs.pub.ro (Postfix) with ESMTP id D754F1A60103 for ; Fri, 15 Feb 2019 15:42:55 +0200 (EET) Received: from vmail.cs.pub.ro ([127.0.0.1]) by localhost (vmail.cs.pub.ro [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id vIJUiI1N1uat for ; Fri, 15 Feb 2019 15:42:55 +0200 (EET) Received: from vmail.cs.pub.ro (localhost [127.0.0.1]) by vmail.cs.pub.ro (Postfix) with ESMTPS id B76B41A6014F for ; Fri, 15 Feb 2019 15:42:55 +0200 (EET) Received: from [192.168.10.130] (unknown [84.232.183.202]) by vmail.cs.pub.ro (Postfix) with ESMTPSA id AFB781A60103 for ; Fri, 15 Feb 2019 15:42:55 +0200 (EET) To: multipathtcp From: Vladimir Olteanu Message-ID: Date: Fri, 15 Feb 2019 15:42:55 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2019 13:43:03 -0000 Hi guys, I'm trying to tie up any loose ends in the SOCKS 6 draft. There is some functionality which lets you change the MPTCP scheduler used by the proxy. The available schedulers are basically the ones available in the Linux kernel implementation. (https://tools.ietf.org/html/draft-olteanu-intarea-socks-6-05#page-20) Do you think it would be worthwhile to standardize the MPTCP schedulers? I think an informational or best practice RFC would be useful. Cheers, Vlad From nobody Fri Feb 15 08:18:40 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A9568130FC1 for ; Fri, 15 Feb 2019 08:18:38 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=btgroupcloud.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ecewLR9fwhGv for ; Fri, 15 Feb 2019 08:18:36 -0800 (PST) Received: from smtpe1.intersmtp.com (smtpe1.intersmtp.com [62.239.224.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4C510128BCC for ; 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boundary="_000_CWXP123MB1781AB18DB588B73475F0E86EB600CWXP123MB1781GBRP_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: dd969adf-67d8-4e34-ca7f-08d693612ab9 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Feb 2019 16:18:05.5612 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a7f35688-9c00-4d5e-ba41-29f146377ab0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: CWXP123MB2405 X-OriginatorOrg: bt.com Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2019 16:18:39 -0000 --_000_CWXP123MB1781AB18DB588B73475F0E86EB600CWXP123MB1781GBRP_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Vlad, personally I think there are lots of interesting issues associated with MPT= CP scheduling which it would be interesting to discuss, if people can share= results beyond those in https://tools.ietf.org/html/rfc8041#section-3.7 best wishes phil ________________________________ From: multipathtcp on behalf of Vladimir Ol= teanu Sent: 15 February 2019 13:42 To: multipathtcp Subject: [multipathtcp] MPTCP Schedulers Hi guys, I'm trying to tie up any loose ends in the SOCKS 6 draft. There is some functionality which lets you change the MPTCP scheduler used by the proxy. The available schedulers are basically the ones available in the Linux kernel implementation. (https://tools.ietf.org/html/draft-olteanu-intarea-socks-6-05#page-20) Do you think it would be worthwhile to standardize the MPTCP schedulers? I think an informational or best practice RFC would be useful. Cheers, Vlad _______________________________________________ multipathtcp mailing list multipathtcp@ietf.org https://www.ietf.org/mailman/listinfo/multipathtcp --_000_CWXP123MB1781AB18DB588B73475F0E86EB600CWXP123MB1781GBRP_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Vlad,

personally I think there are lots= of interesting issues associated with MPTCP scheduling which it would be i= nteresting to discuss, if people can share results beyond those in https://tools.ietf.org/html/= rfc8041#section-3.7

best wishes

phil



From: multipathtcp <mult= ipathtcp-bounces@ietf.org> on behalf of Vladimir Olteanu <vladimir.ol= teanu@cs.pub.ro>
Sent: 15 February 2019 13:42
To: multipathtcp
Subject: [multipathtcp] MPTCP Schedulers
 
Hi guys,

I'm trying to tie up any loose ends in the SOCKS 6 draft. There is some functionality which lets you change the MPTCP scheduler used by the
proxy. The available schedulers are basically the ones available in the Linux kernel implementation.
(htt= ps://tools.ietf.org/html/draft-olteanu-intarea-socks-6-05#page-20)

Do you think it would be worthwhile to standardize the MPTCP schedulers? I think an informational or best practice RFC would be useful.

Cheers,

Vlad

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--_000_CWXP123MB1781AB18DB588B73475F0E86EB600CWXP123MB1781GBRP_-- From nobody Fri Feb 15 10:07:38 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6C1B71274D0 for ; Fri, 15 Feb 2019 10:07:36 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=apple.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NZlIPWgei2re for ; Fri, 15 Feb 2019 10:07:34 -0800 (PST) Received: from nwk-aaemail-lapp01.apple.com (nwk-aaemail-lapp01.apple.com [17.151.62.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 84C37130FC5 for ; Fri, 15 Feb 2019 10:07:34 -0800 (PST) Received: from pps.filterd (nwk-aaemail-lapp01.apple.com [127.0.0.1]) by nwk-aaemail-lapp01.apple.com (8.16.0.27/8.16.0.27) with SMTP id x1FI6QGi037243; Fri, 15 Feb 2019 10:07:26 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=apple.com; h=mime-version : content-transfer-encoding : content-type : sender : date : from : to : cc : subject : message-id : references : in-reply-to; s=20180706; bh=ii1gpVDSZyzcXhFW5pq1U1I0DJ33FqlrreKZ8qjyyC0=; b=uC8/6ZJDj40nOSb9MjzJcFy/pfPTuaqpxemvs5whodWkYYYCCjhX4XbtVog8ci0/PE12 7Hma0JzRgFKium/T3AYy67goyY65SaJdjoe5+ZorUUKozHlGDQCxV9d3NHuE2Ny89aEe sYfwaHZ5rJrvQcSD0dh38lUjpO3r2707USLPJxkH0Uy47pFariHAMauMqKgZBs52u1o0 aKtLDdYWvnhILy0d3toubwuXAW9BjRVOI39jONrSojwezchIPMGOKUZzNKzYBpQxLTy+ rzxHc1MEUdvBTKEwdOFmnew38aCbMUQhEiDoUZh9FSpoN+28CIxONlbe1B33tr2jKY0X rA== Received: from ma1-mtap-s02.corp.apple.com (ma1-mtap-s02.corp.apple.com [17.40.76.6]) by nwk-aaemail-lapp01.apple.com with ESMTP id 2qhxpatrrf-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Fri, 15 Feb 2019 10:07:26 -0800 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-disposition: inline Content-type: text/plain; CHARSET=US-ASCII Received: from nwk-mmpp-sz10.apple.com (nwk-mmpp-sz10.apple.com [17.128.115.122]) by ma1-mtap-s02.corp.apple.com (Oracle Communications Messaging Server 8.0.2.3.20181024 64bit (built Oct 24 2018)) with ESMTPS id <0PMZ003I1BOA4V70@ma1-mtap-s02.corp.apple.com>; Fri, 15 Feb 2019 10:07:23 -0800 (PST) Received: from process_viserion-daemon.nwk-mmpp-sz10.apple.com by nwk-mmpp-sz10.apple.com (Oracle Communications Messaging Server 8.0.2.3.20181024 64bit (built Oct 24 2018)) id <0PMZ00E00BEYR400@nwk-mmpp-sz10.apple.com>; Fri, 15 Feb 2019 10:07:23 -0800 (PST) X-Va-A: X-Va-T-CD: ce9af30ef0380078f11a5893c97260d3 X-Va-E-CD: 60632c09d938b75503323bd9642dc634 X-Va-R-CD: 5a313c0d1e1c416600cf69e8a77233a6 X-Va-CD: 0 X-Va-ID: 2f4f5510-e2e9-423f-8bf4-0a189b17867e X-V-A: X-V-T-CD: ce9af30ef0380078f11a5893c97260d3 X-V-E-CD: 60632c09d938b75503323bd9642dc634 X-V-R-CD: 5a313c0d1e1c416600cf69e8a77233a6 X-V-CD: 0 X-V-ID: 9f8f30ac-3f5f-427c-adea-bb2a7eb5e1fb Received: from process_milters-daemon.nwk-mmpp-sz10.apple.com by nwk-mmpp-sz10.apple.com (Oracle Communications Messaging Server 8.0.2.3.20181024 64bit (built Oct 24 2018)) id <0PMZ00200B3JBS00@nwk-mmpp-sz10.apple.com>; Fri, 15 Feb 2019 10:07:22 -0800 (PST) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-02-15_13:,, signatures=0 Received: from localhost ([17.192.155.217]) by nwk-mmpp-sz10.apple.com (Oracle Communications Messaging Server 8.0.2.3.20181024 64bit (built Oct 24 2018)) with ESMTPSA id <0PMZ00BAABOA7Y10@nwk-mmpp-sz10.apple.com>; Fri, 15 Feb 2019 10:07:22 -0800 (PST) Sender: cpaasch@apple.com Date: Fri, 15 Feb 2019 10:07:22 -0800 From: Christoph Paasch To: Vladimir Olteanu Cc: multipathtcp Message-id: <20190215180722.GR1880@MacBook-Pro-19.local> References: In-reply-to: User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-02-15_13:, , signatures=0 Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2019 18:07:37 -0000 On 15/02/19 - 15:42:55, Vladimir Olteanu wrote: > Hi guys, > > I'm trying to tie up any loose ends in the SOCKS 6 draft. There is some > functionality which lets you change the MPTCP scheduler used by the proxy. > The available schedulers are basically the ones available in the Linux > kernel implementation. > (https://tools.ietf.org/html/draft-olteanu-intarea-socks-6-05#page-20) > > Do you think it would be worthwhile to standardize the MPTCP schedulers? I > think an informational or best practice RFC would be useful. In general, I think that would be good. The tricky part around MPTCP is that the client has no direct control on the server's scheduling behavior. The backup-bit provides some amount of control but it's not fine-grained enough. Standardizing the schedulers or providing a more explicit "API/messaging" from the client to the server about the client's policies would be very useful. That way, clients can connect to "any" MPTCP-server and make sure that the server's behavior is respecting the client's policies about data-usage on the different subflows. Christoph > > Cheers, > > Vlad > > _______________________________________________ > multipathtcp mailing list > multipathtcp@ietf.org > https://www.ietf.org/mailman/listinfo/multipathtcp From nobody Fri Feb 15 11:54:03 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 06144130FC4 for ; Fri, 15 Feb 2019 11:54:00 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id N1B_lbY4uqB6 for ; Fri, 15 Feb 2019 11:53:57 -0800 (PST) Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BF6BD124D68 for ; Fri, 15 Feb 2019 11:53:56 -0800 (PST) Received: from Galaxy-S6-edge.local ([185.45.239.33]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.167]) with ESMTPSA (Nemesis) id 1N8oOk-1h6Voi3OmE-015pwQ for ; Fri, 15 Feb 2019 20:53:54 +0100 Date: Fri, 15 Feb 2019 20:53:52 +0100 User-Agent: K-9 Mail for Android In-Reply-To: <20190215180722.GR1880@MacBook-Pro-19.local> References: <20190215180722.GR1880@MacBook-Pro-19.local> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----DX8HX8N170E7JL9P5FIX2332LGZ045" Content-Transfer-Encoding: 7bit To: multipathtcp@ietf.org From: =?ISO-8859-1?Q?Alexander_Fr=F6mmgen?= Message-ID: <635BA6CA-69D9-4552-849F-0906787BD4CF@froemmgen.de> X-Provags-ID: V03:K1:LTID9l4qpMFLY4nbv4jP2ehuqxdOhsPbdvurUDkktZdXV1Y0I1f xS3Bt1/oUsjA47Bd8trB2M/ZERUwOhYS7QGOtZeDUeZPw3ItL+nbdrHdbBRCrltq0eJMBF/ 1A8xJxEGpcu4TdtLGRhaT6NNb94EhOc0m2dO4c2Q7vgDOQrxavNxIiL+HkehVikFAk/qvzm l43cJ8lwcxt0W+eH6idiQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:fZT7+tfsp2w=:HSLwzyAxQj3Ek29l5OXXru 5IJVampMn/XwpAMnx/ZSIwp7xaegmN1Jw+o+C0R+BlyUbikZruq2wfwLxwaSvpTgzG/ibVPat whPMmYzmNWDLqvXZ40Y5DU/3qQF4r4ZPcGO71BMaJtw+zUVKCulRHihBpFscp7/y0EE1BnYsN 7GhQb8K3p4h6gSj3BUnLbYtQVEtEDiT2ljsqxNJD6fWgQ4G7Mm+QmNmpwsC3qmZJD/l3UEwBS RBpuiCyO5PdYFWSc7I6B/9wqCK9aKoQMAbq/J6wyHzog1TI+PUxq9alnPLIWaf53IWU8G1JbL XtRh1s09dEiovwS3xwjIjpj+CqUYAhcRwXm4vEEFaPfbTWi/qwtwokopeP6V/7yEpO5AbXqQz 5Q6Lnm8gxmnxz9YybB5r9S6DBJShd7adbn49qYfjzZPeJmYb6Wqe6pdpWAoRWrOkkLGA9h0QP IJM851sfk+yb78WQddai6k1E4r/RUyh3Msr27bt1jSXu51D8MWMijdELMZyaCIKDkeUmscE0T 9wEB89ROY1HCe5k37yb1J8wSwwOEWo/6FrCuV16jTbZ9zr7r+W3PY2JRwyaY0O+rNSk0VFmxA VzBW7mMutDTaZjt7bgbgutrIkTJOUKAadzOL5PkemHr/R2GNgocZ6pBzKQjO1BIt0sP3fUzPO 8NkcoD7m/gB/8yHQLxn0DH7fHC74pxfAfPKZ7gKEIh4LG+BuPV37HDJowltQghkCP7GnSplM1 jy2pwUF8utz7U3tAVl8TDk7F/p89ZQ0cK+HTE0fzguKpSHaDsJtlGm4aAlE= Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2019 19:54:00 -0000 ------DX8HX8N170E7JL9P5FIX2332LGZ045 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable This reminds me that I once took some notes about a scheduling API=C2=A0htt= ps://github=2Ecom/AlexanderFroemmgen/draft-ietf-mptcp-api-for-preference-aw= areness Best, Alexander=C2=A0 Am 15=2E Februar 2019 19:07:22 MEZ schrieb Christoph Paasch : >On 15/02/19 - 15:42:55, Vladimir Olteanu wrote: >> Hi guys, >>=20 >> I'm trying to tie up any loose ends in the SOCKS 6 draft=2E There is >some >> functionality which lets you change the MPTCP scheduler used by the >proxy=2E >> The available schedulers are basically the ones available in the >Linux >> kernel implementation=2E >> >(https://tools=2Eietf=2Eorg/html/draft-olteanu-intarea-socks-6-05#page-20= ) >>=20 >> Do you think it would be worthwhile to standardize the MPTCP >schedulers? I >> think an informational or best practice RFC would be useful=2E > >In general, I think that would be good=2E The tricky part around MPTCP is >that >the client has no direct control on the server's scheduling behavior=2E >The backup-bit provides some amount of control but it's not >fine-grained enough=2E > >Standardizing the schedulers or providing a more explicit >"API/messaging" >from the client to the server about the client's policies would be very >useful=2E > >That way, clients can connect to "any" MPTCP-server and make sure that >the >server's behavior is respecting the client's policies about data-usage >on >the different subflows=2E > > >Christoph > >>=20 >> Cheers, >>=20 >> Vlad >>=20 >> _______________________________________________ >> multipathtcp mailing list >> multipathtcp@ietf=2Eorg >> https://www=2Eietf=2Eorg/mailman/listinfo/multipathtcp > >_______________________________________________ >multipathtcp mailing list >multipathtcp@ietf=2Eorg >https://www=2Eietf=2Eorg/mailman/listinfo/multipathtcp ------DX8HX8N170E7JL9P5FIX2332LGZ045 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable This reminds me that I once took some notes about = a scheduling API=C2=A0https://github=2Ecom/AlexanderFroemmgen/draft-ietf-mp= tcp-api-for-preference-awareness

Best,

Alexander=C2=A0
Am 15=2E Februar 2019 19:07:22 MEZ schrieb Chri= stoph Paasch <cpaasch=3D40apple=2Ecom@dmarc=2Eietf=2Eorg>: 
On 15/02/19 - 15:42:55, Vladimir Olteanu wrote:
<=
blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 1ex 0=2E8ex; bord=
er-left: 1px solid #729fcf; padding-left: 1ex;">Hi guys,

I'm trying =
to tie up any loose ends in the SOCKS 6 draft=2E There is some
functiona=
lity which lets you change the MPTCP scheduler used by the proxy=2E
The =
available schedulers are basically the ones available in the Linux
kerne=
l implementation=2E
(https://tools=2Eietf=2Eorg/html/draft-ol=
teanu-intarea-socks-6-05#page-20)

Do you think it would be worth=
while to standardize the MPTCP schedulers? I
think an informational or b=
est practice RFC would be useful=2E

In general, I think=
 that would be good=2E The tricky part around MPTCP is that
the client h=
as no direct control on the server's scheduling behavior=2E
The backup-b=
it provides some amount of control but it's not fine-grained enough=2E
<=
br>Standardizing the schedulers or providing a more explicit "API/messaging=
"
from the client to the server about the client's policies would be ver=
y
useful=2E

That way, clients can connect to "any" MPTCP-server a=
nd make sure that the
server's behavior is respecting the client's polic=
ies about data-usage on
the different subflows=2E


Christoph

Cheers,

V=
lad
multipathtcp mailing list
multipathtcp@ietf=2Eorg
https://www=2Eietf=
=2Eorg/mailman/listinfo/multipathtcp
multipathtcp m=
ailing list
multipathtcp@ietf=2Eorg
https://www=2Eietf=2Eorg/mailman/listinfo=
/multipathtcp
------DX8HX8N170E7JL9P5FIX2332LGZ045-- From nobody Sat Feb 16 05:54:13 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C4A19130E74 for ; Sat, 16 Feb 2019 05:54:11 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bsvtBX5xUrD4 for ; Sat, 16 Feb 2019 05:54:09 -0800 (PST) Received: from mail-ot1-x32b.google.com (mail-ot1-x32b.google.com [IPv6:2607:f8b0:4864:20::32b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 900D7130E73 for ; Sat, 16 Feb 2019 05:54:09 -0800 (PST) Received: by mail-ot1-x32b.google.com with SMTP id b3so21317406otp.4 for ; Sat, 16 Feb 2019 05:54:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3TZj7fPZkCDw/Vn3imFyBqgF7tBq7WXDSy7LtoZful0=; b=ctHtA7n5u7ZsF9rnF4GfLqrXSxGvvyKE1bB0mqHQlB42LbhCjykfboAJXMWtwRebQ/ 8pOHUV8vaTpHFn9+B9UiCZ6A6IgNx073iVcrQUdZ47QtX32M6lWSlTRm9rXFuU/BAslI JndPPjo28vCMjZjX/NkurvwZyuHcQOl8aIOel/5gNS7ldJY7YsR78/+HzFyZb4+uj/jn +VfyWoQ07W3Rd6WH/boVQZpmxxf5WO3B3Y6btOeiA3234bPlXpkv1C7HTKMLenYiCgtD 9ygZqchNkkqoa8GOU2t7C615DG2mBP+5Aw6sKVNgcWmuTHGqfKWFLQRwvTdbQXSCzF1r +aOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3TZj7fPZkCDw/Vn3imFyBqgF7tBq7WXDSy7LtoZful0=; b=ThuzuAbrSS5pSPfxLJLWB9s/QXN12xlRtQy+tbpTM2WBKHw+sHCwCZ+ez7UUY0VvSp kWjdpa37AOo0iejTMPPm31qQn8f/0WX09CtkGykHcf2q/2T7AgVaUjq9diJH408+ToRU qqEXU6j7nyg3SXIndBprPdT3hnUequcaTFsUFrc2YwgXo8edbQQ6hIgTbPfvYgGNF/mq /1gwxk1heOkRb8ImQZhRGh4ck7o+OSQpoToBLexZ+Yek39Rf0/SFCaYdw/xVhLGEnzVw vNLdeF5t5tmW1bCYqh4BVwevvD//n4v3NST2R/EirSopuLrCLNsdGoWyHFWo0awm1utZ t2dg== X-Gm-Message-State: AHQUAuZb7WLg9pGuV2v3hsF/NxxuUKKUIvLo5mCw2gkFvJ+rL0BgLILN tm+hTom03D+GWa4sAIdL4H9V5rgkohshA3ESHT0LIw== X-Google-Smtp-Source: AHgI3IY+DtCahmvR+lDknN0WTX5UKWc/t0SvMBo1+3XRkWdMoNqwrnm6AWotVxyaeAzt031a9SXCqgs/C8/RSv/zXoc= X-Received: by 2002:aca:4756:: with SMTP id u83mr8926079oia.60.1550325248713; Sat, 16 Feb 2019 05:54:08 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Zhen Cao Date: Sat, 16 Feb 2019 21:53:58 +0800 Message-ID: To: Vladimir Olteanu Cc: multipathtcp Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Feb 2019 13:54:12 -0000 On Fri, Feb 15, 2019 at 9:43 PM Vladimir Olteanu wrote: > > Hi guys, > > I'm trying to tie up any loose ends in the SOCKS 6 draft. There is some > functionality which lets you change the MPTCP scheduler used by the > proxy. The available schedulers are basically the ones available in the > Linux kernel implementation. > (https://tools.ietf.org/html/draft-olteanu-intarea-socks-6-05#page-20) > > Do you think it would be worthwhile to standardize the MPTCP schedulers? > I think an informational or best practice RFC would be useful. It's meaningful. Documenting the existing schedulers (minRTT, redundant, round robin) as informational documents will help the mptcp practitioners to get better use of it. In addition, path manager needs a better specification. These can be considered as the input to the co-chairs' ''call for future items of the working group. We may discuss it over at the upcoming meeting. Cheers, Zhen > Cheers, > > Vlad > > _______________________________________________ > multipathtcp mailing list > multipathtcp@ietf.org > https://www.ietf.org/mailman/listinfo/multipathtcp From Alexander@froemmgen.de Fri Feb 15 11:45:57 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 60531130FFC for ; Fri, 15 Feb 2019 11:45:57 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EjEzXTOIOAoN for ; Fri, 15 Feb 2019 11:45:56 -0800 (PST) Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6E9BC130FED for ; Fri, 15 Feb 2019 11:45:55 -0800 (PST) Received: from Galaxy-S6-edge.local ([185.45.239.33]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1M2xjg-1gvptL3gtg-003QSQ; Fri, 15 Feb 2019 20:45:44 +0100 Date: Fri, 15 Feb 2019 20:45:39 +0100 User-Agent: K-9 Mail for Android In-Reply-To: <20190215180722.GR1880@MacBook-Pro-19.local> References: <20190215180722.GR1880@MacBook-Pro-19.local> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----V95ARYOV1P9FHNBATRC2SNNB1UUFHZ" Content-Transfer-Encoding: 7bit To: multipathtcp@ietf.org, Christoph Paasch , Vladimir Olteanu CC: multipathtcp From: =?ISO-8859-1?Q?Alexander_Fr=F6mmgen?= Message-ID: <13538FA7-7289-487F-8283-57F68D9258D7@froemmgen.de> X-Provags-ID: V03:K1:Ksu3XJKd6WmM5tVOD6HLtvTIXwx6q0ED6hZCLFwfevVNusGwxtm 4dnAYQNM4QwNxMebSlGZdzTvT6a8MioCn2nyfmMm9layPlyyUtfJXGdhNNWNR3IdBLEWS+K /1zxMdnoD6y38oVKc2YNuwmSv77WjkNDufP53gHqSIu3cgFtevYTlQDMWOMa4vsDGOMCCaw CtwhZhIpCSvae0Q86G08A== X-UI-Out-Filterresults: notjunk:1;V03:K0:6gIH9hs6sBw=:O/aRMUellDy7SEM4uf6x86 Ov5ajPnXKv8PrESyH7uDLD05dhww9qgnsjypF7UQFdrEmW/0HAZaEUJdzh5+4kZp9QE5rbNoj tGHYpfhAa6fLwMI4CO53tNkcXE6T90mNedB1miO91tFnPeMg70D6nVCjRAFd3VkVPUZVRlJVg 14V3LI49R0UJFH9CQa/ATJ5tnKw2QtQMkVwjxgkTNtd8INhXIV+/cYUbqKMpI4BLKwkZb1/Iq gRT6jshG8reLQmcyV58UQR7+o08deZZsfiTTLftqzSUOOG6UFqI4yhXKJw8bXiMz03j6OzD28 SRYIH7igplVu482J55JgZjMHgOepjGhHBqKjKfWmcMfdQEUBie7NxMyF8epdAcd+N2qh6Eqju rOo/dq9zVWQiVw16ERyI6X8IoNj3P3OHA0LuPz0U25rCFavYEAIjkRaS51JUjTvtttqKcAuZG BCXKNT50UTFZ3+Ir6GhLu21RQIIigqSgyDjoW2lE1hPUfHdbb2uJaE/MYgc+igpdpsk7HBLbd Zo4VoxucEVYmX+gsYNzRy86g/5sFDKmZas2K66Pau8xCglrIFAMstt4CxEIHXrHCKNvgpo7kt NU90LGbdwaJaQ3MhpcmNB3Fe82DpnES8atJpSOL5I4Hp3WSiFztLjhM/u4hLX//LJQ4SYH/Hu Ck2PNkATwdD0XDLGcLKpZPu7WctBCem9jvTKx2eB+vo4UItemfcwSy+ArQ4xm5zhayG5Cv24L 4ft6a/psbU+nn7s5uonZhIx1yX7SryikPUJ8ynFkqmN0LDOFWsiSwHstAEg= Archived-At: X-Mailman-Approved-At: Sat, 16 Feb 2019 11:37:00 -0800 Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2019 19:49:44 -0000 ------V95ARYOV1P9FHNBATRC2SNNB1UUFHZ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable This reminds me that I once took some notes about a scheduling API https://= github=2Ecom/AlexanderFroemmgen/draft-ietf-mptcp-api-for-preference-awarene= ss Best, Alexander=20 Am 15=2E Februar 2019 19:07:22 MEZ schrieb Christoph Paasch : >On 15/02/19 - 15:42:55, Vladimir Olteanu wrote: >> Hi guys, >>=20 >> I'm trying to tie up any loose ends in the SOCKS 6 draft=2E There is >some >> functionality which lets you change the MPTCP scheduler used by the >proxy=2E >> The available schedulers are basically the ones available in the >Linux >> kernel implementation=2E >> >(https://tools=2Eietf=2Eorg/html/draft-olteanu-intarea-socks-6-05#page-20= ) >>=20 >> Do you think it would be worthwhile to standardize the MPTCP >schedulers? I >> think an informational or best practice RFC would be useful=2E > >In general, I think that would be good=2E The tricky part around MPTCP is >that >the client has no direct control on the server's scheduling behavior=2E >The backup-bit provides some amount of control but it's not >fine-grained enough=2E > >Standardizing the schedulers or providing a more explicit >"API/messaging" >from the client to the server about the client's policies would be very >useful=2E > >That way, clients can connect to "any" MPTCP-server and make sure that >the >server's behavior is respecting the client's policies about data-usage >on >the different subflows=2E > > >Christoph > >>=20 >> Cheers, >>=20 >> Vlad >>=20 >> _______________________________________________ >> multipathtcp mailing list >> multipathtcp@ietf=2Eorg >> https://www=2Eietf=2Eorg/mailman/listinfo/multipathtcp > >_______________________________________________ >multipathtcp mailing list >multipathtcp@ietf=2Eorg >https://www=2Eietf=2Eorg/mailman/listinfo/multipathtcp ------V95ARYOV1P9FHNBATRC2SNNB1UUFHZ Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable This reminds me that I once took some notes about = a scheduling API https://github=2Ecom/AlexanderFroem= mgen/draft-ietf-mptcp-api-for-preference-awareness

Best,

= Alexander

Am 15=2E Februar 2019 19:07:22= MEZ schrieb Christoph Paasch <cpaasch=3D40apple=2Ecom@dmarc=2Eietf=2Eor= g>:
On 15/02/19 - 15:42:55, Vladimir Olteanu wrote:
<=
blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 1ex 0=2E8ex; bord=
er-left: 1px solid #729fcf; padding-left: 1ex;">Hi guys,

I'm trying =
to tie up any loose ends in the SOCKS 6 draft=2E There is some
functiona=
lity which lets you change the MPTCP scheduler used by the proxy=2E
The =
available schedulers are basically the ones available in the Linux
kerne=
l implementation=2E
(https://tools=2Eietf=2Eorg/html/draft-ol=
teanu-intarea-socks-6-05#page-20)

Do you think it would be worth=
while to standardize the MPTCP schedulers? I
think an informational or b=
est practice RFC would be useful=2E

In general, I think= that would be good=2E The tricky part around MPTCP is that
the client h= as no direct control on the server's scheduling behavior=2E
The backup-b= it provides some amount of control but it's not fine-grained enough=2E
<= br>Standardizing the schedulers or providing a more explicit "API/messaging= "
from the client to the server about the client's policies would be ver= y
useful=2E

That way, clients can connect to "any" MPTCP-server a= nd make sure that the
server's behavior is respecting the client's polic= ies about data-usage on
the different subflows=2E


Christoph

Cheers,

V= lad
multipathtcp mailing list
multipathtcp@ietf=2Eorg
https://www=2Eietf= =2Eorg/mailman/listinfo/multipathtcp
multipathtcp m= ailing list
multipathtcp@ietf=2Eorg
https://www=2Eietf=2Eorg/mailman/listinfo= /multipathtcp
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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: e15faae0-3d74-40b5-7161-08d694af1602 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Feb 2019 08:08:22.7919 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bde4dffc-4b60-4cf6-8b04-a5eeb25f5c4f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: FRAPR01MB1172 X-OriginatorOrg: telekom.de Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Feb 2019 08:08:30 -0000 Hi Vladimir, hi Christoph, > On 15/02/19 - 15:42:55, Vladimir Olteanu wrote: > > Hi guys, > > > > I'm trying to tie up any loose ends in the SOCKS 6 draft. There is > > some functionality which lets you change the MPTCP scheduler used by th= e > proxy. > > The available schedulers are basically the ones available in the Linux > > kernel implementation. > > (https://tools.ietf.org/html/draft-olteanu-intarea-socks-6-05#page-20) > > > > Do you think it would be worthwhile to standardize the MPTCP > > schedulers? I think an informational or best practice RFC would be usef= ul. >=20 > In general, I think that would be good. ACK > The tricky part around MPTCP is that > the client has no direct control on the server's scheduling behavior. > The backup-bit provides some amount of control but it's not fine-grained > enough. >=20 ACK, but that's also true for the other way round from server to client :-) > Standardizing the schedulers or providing a more explicit "API/messaging" > from the client to the server about the client's policies would be very u= seful. >=20 ACK, even other scheduling algorithms which are not part of the reference implementation are worthwhile to consider. In particular it would also support the current 5G ATSSS standardization, which most probably relies on MPTCP. Standardized or at least documented scheduling algorithms would make the traffic steering behavior more predictable across different vendor implementations. > That way, clients can connect to "any" MPTCP-server and make sure that th= e > server's behavior is respecting the client's policies about data-usage on= the > different subflows. >=20 Half ACK :-), see comments above. From a 5G ATSSS view I would assume the U= E to be a client and the MPTCP Proxy in the 5G core to be a server, right? Th= an it should be possible to exchange the preferred settings in both directions. B= ut independent from 5G I think we should not limit such an MPTCP API in one direction.=20 BR Markus=20 >=20 > Christoph >=20 > > > > Cheers, > > > > Vlad > > > > _______________________________________________ > > multipathtcp mailing list > > multipathtcp@ietf.org > > https://www.ietf.org/mailman/listinfo/multipathtcp >=20 > _______________________________________________ > multipathtcp mailing list > multipathtcp@ietf.org > https://www.ietf.org/mailman/listinfo/multipathtcp From nobody Sun Feb 17 02:19:36 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E06B412941A for ; Sun, 17 Feb 2019 02:19:34 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="utf-8" Hello, some remarks and questions inline. > Do you think it would be worthwhile to standardize the MPTCP schedulers? = I > think an informational or best practice RFC would be useful. What level of scheduler standardization do you consider? While an informal = description of the scheduler behavior should be feasible, I have the feelin= g that a detailed specification of the scheduler behavior is not possible, = e.g., i) details of todays scheduler behaviors emerged from the dependencie= s to the Linux Kernel (round trip time is calculation, packet queues), and = ii) intuitive descriptions, such as "redundant=E2=80=9C, are very imprecise= (prefer old or new packets for heterogenous subflow environments?). [0] > I agree, but this control could be provided by defining an MPTCP option=20 > that enables a client to request the utilisation of a specific scheduler= =20 > by a remote server. > 1. agree on a small list of schedulers that should be supported by MPTCP= =20 > implementations. The literature contains a variety of schedulers, we'd=20 > need to select some of them 1.1 How to select the concrete schedulers? Given that there is a variety of= proposed schedulers, as of today, the Linux implementation contains only t= hree of them. Does this imply that there was no need for further schedulers= outside of academia so far? 1.2 How should we deal with the concrete parameters of these schedulers and= scheduler Evolution? > If we can define a small list of identifiers for 1, then we can use the=20 > same technique as the one described in recent work by Hoang Tran Viet Sounds great. Can you elaborate a bit the concrete usecase? Why is the eBPF= flexibility required?=20 > B. an API that enables an application to interact with the MPTCP stack It might worth to start with the high level=C2=A0 "goals" and the target au= dience of such an API. For application developers, for example, the choice = of the concrete scheduler might be inappropriate. The Apple API [2], for ex= ample, is on a much higher abstraction level than explicitly selecting the = scheduler. A high level API to specify the preferences [3], e.g., the required through= put, might enable scheduler innovations to optimize for these preferences a= nd speed up the MPTCP adoption by simplifying the application developers li= fe. Obviously, the high level API might be implemented on top of a lower level = API. In this case, the goal for the lower level API should be to enable the= implementation of the high level API on top. Best, Alexander [0] http://progmp.net/froemmgen-middleware2017.pdf=20 [1] http://tuprints.ulb.tu-darmstadt.de/7709/13/Dissertation_Froemmgen.pdf = Section 2.2 [2] https://developer.apple.com/documentation/foundation/nsurlsessionmultip= athservicetype=20 [3] https://github.com/AlexanderFroemmgen/draft-ietf-mptcp-api-for-preferen= ce-awareness/blob/master/output.txt --_D4ECA3B4-C38F-4DD2-84A1-4092406B93EB_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"

Hello,

 

some remarks and questions in= line.

 

> Do you think it would be worthwhile to standardize the MPTCP s= chedulers? I

> think an informational= or best practice RFC would be useful.

<= o:p> 

What level of scheduler standardiz= ation do you consider? While an informal description of the scheduler behav= ior should be feasible, I have the feeling that a detailed specification of= the scheduler behavior is not possible, e.g., i) details of todays schedul= er behaviors emerged from the dependencies to the Linux Kernel (round trip = time is calculation, packet queues), and ii) intuitive descriptions, such a= s "redundant=E2=80=9C, are very imprecise (prefer old or new packets f= or heterogenous subflow environments?). [0]

 

> I agree, but this contro= l could be provided by defining an MPTCP option

> that enables a client to request the utilisation of a specifi= c scheduler

> by a remote server.

 

= > 1. agree on a small list of schedulers that should be supported by MPT= CP

> implementations. The literature= contains a variety of schedulers, we'd

> need to select some of them

&= nbsp;

1.1 How to select the concrete schedule= rs? Given that there is a variety of proposed schedulers, as of today, the = Linux implementation contains only three of them. Does this imply that ther= e was no need for further schedulers outside of academia so far?=

1.2 How should we deal with the concrete parameter= s of these schedulers and scheduler Evolution?

 

> If we can define a sm= all list of identifiers for 1, then we can use the

> same technique as the one described in recent work by Hoa= ng Tran Viet

 

Sounds great. Can you elaborate a bit the concrete usecase? = Why is the eBPF flexibility required?

<= o:p> 

> B. an API that enables an app= lication to interact with the MPTCP stack

 

It might worth to start with th= e high level  "goals" and the target audience of such an API= . For application developers, for example, the choice of the concrete sched= uler might be inappropriate. The Apple API [2], for example, is on a much h= igher abstraction level than explicitly selecting the scheduler.=

 

A high l= evel API to specify the preferences [3], e.g., the required throughput, mig= ht enable scheduler innovations to optimize for these preferences and speed= up the MPTCP adoption by simplifying the application developers life.=

 

Ob= viously, the high level API might be implemented on top of a lower level AP= I. In this case, the goal for the lower level API should be to enable the i= mplementation of the high level API on top.

 

Best,

 

Alexander=

 

[0] http://progmp.net/fr= oemmgen-middleware2017.pdf

[1] http://tuprints.ulb.tu-darmstadt.de/7709/13/Dissertatio= n_Froemmgen.pdf Section 2.2

[2] https://developer.apple.com/documentation/foundation/nsu= rlsessionmultipathservicetype

[3] <= a href=3D"https://github.com/AlexanderFroemmgen/draft-ietf-mptcp-api-for-pr= eference-awareness/blob/master/output.txt">https://github.com/AlexanderFroe= mmgen/draft-ietf-mptcp-api-for-preference-awareness/blob/master/output.txt<= /a>

= --_D4ECA3B4-C38F-4DD2-84A1-4092406B93EB_-- From nobody Sun Feb 17 11:44:32 2019 Return-Path: X-Original-To: multipathtcp@ietf.org Delivered-To: multipathtcp@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 179AD12D4EF; Sun, 17 Feb 2019 11:44:23 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: multipathtcp@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.91.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: multipathtcp@ietf.org Message-ID: <155043266302.4092.6890185569294452065@ietfa.amsl.com> Date: Sun, 17 Feb 2019 11:44:23 -0800 Archived-At: Subject: [multipathtcp] I-D Action: draft-ietf-mptcp-rfc6824bis-13.txt X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Feb 2019 19:44:23 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Multipath TCP WG of the IETF. Title : TCP Extensions for Multipath Operation with Multiple Addresses Authors : Alan Ford Costin Raiciu Mark Handley Olivier Bonaventure Christoph Paasch Filename : draft-ietf-mptcp-rfc6824bis-13.txt Pages : 81 Date : 2019-02-17 Abstract: TCP/IP communication is currently restricted to a single path per connection, yet multiple paths often exist between peers. The simultaneous use of these multiple paths for a TCP/IP session would improve resource usage within the network and, thus, improve user experience through higher throughput and improved resilience to network failure. Multipath TCP provides the ability to simultaneously use multiple paths between peers. This document presents a set of extensions to traditional TCP to support multipath operation. The protocol offers the same type of service to applications as TCP (i.e., reliable bytestream), and it provides the components necessary to establish and use multiple TCP flows across potentially disjoint paths. This document specifies v1 of Multipath TCP, obsoleting v0 as specified in RFC6824, through clarifications and modifications primarily driven by deployment experience. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-mptcp-rfc6824bis/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-mptcp-rfc6824bis-13 https://datatracker.ietf.org/doc/html/draft-ietf-mptcp-rfc6824bis-13 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-mptcp-rfc6824bis-13 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Sun Feb 17 11:46:50 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C4FCA12D7EA for ; Sun, 17 Feb 2019 11:46:48 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IN9GaNbOGuxe for ; Sun, 17 Feb 2019 11:46:46 -0800 (PST) Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7DFD312D4EF for ; Sun, 17 Feb 2019 11:46:46 -0800 (PST) Received: by mail-lj1-x229.google.com with SMTP id g80so12507381ljg.6 for ; Sun, 17 Feb 2019 11:46:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:subject:date:references :to:in-reply-to:message-id; bh=OxboORK82IfQ0F9N6Y6fSuB7t9W7rvCBIk6b64ONgLQ=; b=r/zAOhwwPDnzrO0XZLSoken7Ceg/J1i9uFXpebnzaMjlKcQK8LiMSXyXotWOEjJpvC DeDgHrQb6UNMLM+nefsWhvaqKP0zCU4WdcrkVdaTQXXGf5niMAhag9g+UEq/GKIpTC1P WxuFgVLE7T39iOg/h1q3vDEqQCkqbJZDsKF/dDr+cddcDjyhyft0I3JPPGmDkBCEPGTl /VBZtihhBWjQLT/kF0ljm7YPvhnrZee0d/vp8/CWOKCa74MTa96fJ+y4sqHi9cKR/Yo4 vAKIqiOnqFt0JyowTehrmuFGpicwyU6/6Qzl42XFsJJxcS9YwK46ZT5tgb2jo0ccxknE IGmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:date:references:to:in-reply-to:message-id; bh=OxboORK82IfQ0F9N6Y6fSuB7t9W7rvCBIk6b64ONgLQ=; b=RI4mNT0yaI/1mbO0cYqhJfpayS6sqGzKwgvKOLfLh0PFQwvFX5OXWieXGhylJrc8cn WzDqFg20GIVyXl1PdZ1A+WzH7ouX9mMi0af7fYpz/E/WeVmBKZZpaoopIF+R7Dl/TZjE 2eOGAC1Y1WmJ2/vcHDKYmHt2tjjmtr3eva9ZIQn2aohFtygIWa5YiftFu7vAtfscsO/K hgz+X9wMXO0AyKVpcLHrfJHBC4vN0p2v6ctYjcw94XV7Ko60K1cZZBwzHd3UKC4FAteM 4X88fdzR//Dw7hXDkOULEwnVI2+GK3YCdicBuIQ9etDrJT7wKws9NwEs9w0cDcpLx8Co 4cgg== X-Gm-Message-State: AHQUAuZqyZrt0tcXORftWcPNkBw3HlVM8VvGZ80mcLkiG3gB2MDHlNeY PtnJpFSoDO6fGIwyQKpx7gVtk2BE X-Google-Smtp-Source: AHgI3IaP/abgKbCriZutfG5mUYWZ5nSycSG+FZB1IUhH6/YUfXKIm8u9RWFTLSQikW7jusfH7lxHgA== X-Received: by 2002:a2e:5cc4:: with SMTP id q187-v6mr10444750ljb.69.1550432804225; Sun, 17 Feb 2019 11:46:44 -0800 (PST) Received: from [192.168.1.66] (79.35.115.87.dyn.plus.net. [87.115.35.79]) by smtp.gmail.com with ESMTPSA id q1sm2530747lfb.86.2019.02.17.11.46.43 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 17 Feb 2019 11:46:43 -0800 (PST) From: Alan Ford Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Date: Sun, 17 Feb 2019 19:46:41 +0000 References: <155043266302.4092.6890185569294452065@ietfa.amsl.com> To: multipathtcp In-Reply-To: <155043266302.4092.6890185569294452065@ietfa.amsl.com> Message-Id: <4F5A5080-E221-4A78-B6B7-3EF51A7FBC92@gmail.com> X-Mailer: Apple Mail (2.3445.9.1) Archived-At: Subject: Re: [multipathtcp] I-D Action: draft-ietf-mptcp-rfc6824bis-13.txt X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Feb 2019 19:46:49 -0000 Hi all, This small revision of rfc6824bis takes into account review comments = received from Klemens Schragel during WGLC, as well as some nits, and = finally the long-promised changes-since-RFC6824 appendix. Regards, Alan > On 17 Feb 2019, at 19:44, internet-drafts@ietf.org wrote: >=20 >=20 > A New Internet-Draft is available from the on-line Internet-Drafts = directories. > This draft is a work item of the Multipath TCP WG of the IETF. >=20 > Title : TCP Extensions for Multipath Operation with = Multiple Addresses > Authors : Alan Ford > Costin Raiciu > Mark Handley > Olivier Bonaventure > Christoph Paasch > Filename : draft-ietf-mptcp-rfc6824bis-13.txt > Pages : 81 > Date : 2019-02-17 >=20 > Abstract: > TCP/IP communication is currently restricted to a single path per > connection, yet multiple paths often exist between peers. The > simultaneous use of these multiple paths for a TCP/IP session would > improve resource usage within the network and, thus, improve user > experience through higher throughput and improved resilience to > network failure. >=20 > Multipath TCP provides the ability to simultaneously use multiple > paths between peers. This document presents a set of extensions to > traditional TCP to support multipath operation. The protocol offers > the same type of service to applications as TCP (i.e., reliable > bytestream), and it provides the components necessary to establish > and use multiple TCP flows across potentially disjoint paths. >=20 > This document specifies v1 of Multipath TCP, obsoleting v0 as > specified in RFC6824, through clarifications and modifications > primarily driven by deployment experience. >=20 >=20 > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-mptcp-rfc6824bis/ >=20 > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-mptcp-rfc6824bis-13 > https://datatracker.ietf.org/doc/html/draft-ietf-mptcp-rfc6824bis-13 >=20 > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-mptcp-rfc6824bis-13 >=20 >=20 > Please note that it may take a couple of minutes from the time of = submission > until the htmlized version and diff are available at tools.ietf.org. >=20 > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ >=20 > _______________________________________________ > multipathtcp mailing list > multipathtcp@ietf.org > https://www.ietf.org/mailman/listinfo/multipathtcp From nobody Sun Feb 17 16:46:35 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BFB65130DC4 for ; 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d="scan'208";a="3193025" Received: from mail.cs.pub.ro (HELO vmail.cs.pub.ro) ([141.85.227.3]) by vesa.cs.pub.ro with ESMTP; 18 Feb 2019 02:46:24 +0200 Received: from localhost (localhost [127.0.0.1]) by vmail.cs.pub.ro (Postfix) with ESMTP id AC2AD1A60057; Mon, 18 Feb 2019 02:46:24 +0200 (EET) Received: from vmail.cs.pub.ro ([127.0.0.1]) by localhost (vmail.cs.pub.ro [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id NF8wIyeNMqDs; Mon, 18 Feb 2019 02:46:24 +0200 (EET) Received: from vmail.cs.pub.ro (localhost [127.0.0.1]) by vmail.cs.pub.ro (Postfix) with ESMTPS id 8A99B1A6006C; Mon, 18 Feb 2019 02:46:24 +0200 (EET) Received: from [192.168.1.72] (unknown [84.117.93.208]) by vmail.cs.pub.ro (Postfix) with ESMTPSA id 7CCD11A60057; Mon, 18 Feb 2019 02:46:24 +0200 (EET) To: Olivier Bonaventure , multipathtcp References: From: Vladimir Olteanu Message-ID: <83ef4bdc-f748-88f4-b7f8-21bc4bf381dc@cs.pub.ro> Date: Mon, 18 Feb 2019 02:46:24 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2019 00:46:34 -0000 On 2/17/19 12:20 PM, Olivier Bonaventure wrote: > Vlad, >> I'm trying to tie up any loose ends in the SOCKS 6 draft. There is some >> functionality which lets you change the MPTCP scheduler used by the >> proxy. The available schedulers are basically the ones available in the >> Linux kernel implementation. >> (https://tools.ietf.org/html/draft-olteanu-intarea-socks-6-05#page-20) >> >> Do you think it would be worthwhile to standardize the MPTCP schedulers? >> I think an informational or best practice RFC would be useful. > I think that this would make sense, but we could also encode the > requested MPTCP scheduler inside an MPTCP option instead of putting it > in an application level message as you propose in your draft. The > advantage of using MPTCP options is that the same solution would work > for any application. > > > Olivier Hi, I agree that it is worthwhile doing it at L4. As far as SOCKS is concerned, this would also open the door for the client controlling the scheduler used not only by the proxy, but also by the remote host. I'd argue that being able to do it at the application layer is also useful, even if your proposed option gets standardized. The scheduler option will not fit inside a SYN + MP_CAPABLE + TFO (along with SACK, TS, MSS and Wscale) and you'll have to send it 1 RTT later. (In fact, not even the TFO option will fit if the cookie is large.) OTOH, there is on such pressure oh the SOCKS option space; you've got 16K to play with. Cheers, Vlad From nobody Mon Feb 18 01:42:19 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A8907130EF1 for ; Mon, 18 Feb 2019 01:42:17 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=uclouvain.be Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GdF6vEMlR8O2 for ; Mon, 18 Feb 2019 01:42:15 -0800 (PST) Received: from EUR02-HE1-obe.outbound.protection.outlook.com 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X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR03MB4268 Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2019 11:03:28 -0000 UGhpbCwNCg0KPiBBIGNvdXBsZSBvZiB0aGluZ3MgcGVyc29uYWxseSBJ4oCZZCBiZSBpbnRlcmVz dGVkIGluIGhlYXJpbmcgYWJvdXQNCj4gDQo+IC1JZiB0aGVyZSBhcmUgZGlmZmVyZW5jZXMgZm9y IHRoZSBzY2hlZHVsZXJzIGRlcGxveWVkIGZvciBlbmQgaG9zdCANCj4gZGVwbG95bWVudHMgb2Yg TVBUQ1AgYW5kIHRoZSBwcm94eSBkZXBsb3ltZW50cw0KDQpZZXMuIEluIHRoZSBoeWJyaWQgYWNj ZXNzIG5ldHdvcmtzIHVzZSBjYXNlLCB0aGUgc2NoZWR1bGVycyBhcmUgDQpvcHRpbWlzZWQgdG8g Zmlyc3QgdXNlIHRoZSBEU0wgbmV0d29yayBhbmQgdGhlbiBvdmVybGZvdyBvdmVyIHRoZSBMVEUg DQpuZXR3b3JrIHdoZW4gdGhlIERTTCBpcyBmdWxsLg0KDQo+IC1TY2hlZHVsaW5nIGFsZ29yaXRo bXMgdGhhdCBwcmVmZXIgb25lIGludGVyZmFjZSBmb3IgcG9saWN5IHJlYXNvbnMgKGVnIA0KPiBj 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DQpPbGl2aWVyDQo= From nobody Mon Feb 18 10:00:38 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D7467130F65 for ; Mon, 18 Feb 2019 10:00:36 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aSbWkSurIKoI for ; Mon, 18 Feb 2019 10:00:34 -0800 (PST) Received: from vesa.cs.pub.ro (vesa.cs.pub.ro [141.85.227.187]) by ietfa.amsl.com (Postfix) with ESMTP id DC204130F63 for ; Mon, 18 Feb 2019 10:00:33 -0800 (PST) IronPort-SDR: lXbDK2RY1LWjdBklSvhMi8DjzoOzIB4ffg+Svm8jRmsGHLLzvRG+TkY7Q4rB1/yXph7vJCYIDV 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(localhost [127.0.0.1]) by vmail.cs.pub.ro (Postfix) with ESMTPS id 567331A60153; Mon, 18 Feb 2019 20:00:30 +0200 (EET) Received: from [192.168.1.70] (unknown [84.117.93.208]) by vmail.cs.pub.ro (Postfix) with ESMTPSA id 447A41A6014E; Mon, 18 Feb 2019 20:00:30 +0200 (EET) To: =?UTF-8?Q?Alexander_Fr=c3=b6mmgen?= , Olivier Bonaventure , Christoph Paasch Cc: "multipathtcp@ietf.org" References: <20190215180722.GR1880@MacBook-Pro-19.local> <41d2eef4-67e8-62a5-5d05-b6248d2293e5@uclouvain.be> <1MKd92-1gcaMb0Y7I-00Kxa3@mrelayeu.kundenserver.de> From: Vladimir Olteanu Message-ID: <386d0bef-8eb0-b3ee-44bd-4ab17147be79@cs.pub.ro> Date: Mon, 18 Feb 2019 20:00:30 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <1MKd92-1gcaMb0Y7I-00Kxa3@mrelayeu.kundenserver.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [multipathtcp] MPTCP Schedulers X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2019 18:00:37 -0000 Hi, On 2/17/2019 2:35 PM, Alexander Fr=C3=B6mmgen wrote: > What level of scheduler standardization do you consider? While an=20 > informal description of the scheduler behavior should be feasible, I=20 > have the feeling that a detailed specification of the scheduler=20 > behavior is not possible, e.g., i) details of todays scheduler=20 > behaviors emerged from the dependencies to the Linux Kernel (round=20 > trip time is calculation, packet queues), and ii) intuitive=20 > descriptions, such as "redundant=E2=80=9C, are very imprecise (prefer o= ld or=20 > new packets for heterogenous subflow environments?). [0] At the very least we should write a general description of the three=20 algorithms that are available, what to expect from them and in which=20 cases they are best suited. In the absence of such a document, I'd have to include said descriptions=20 in the SOCKS draft, which isn't the best place to go looking for such=20 information. Vlad From nobody Mon Feb 18 11:51:25 2019 Return-Path: X-Original-To: multipathtcp@ietfa.amsl.com Delivered-To: multipathtcp@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8C64C130F3E for ; Mon, 18 Feb 2019 11:51:23 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=uclouvain.be Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bkisDtRAyDRE for ; Mon, 18 Feb 2019 11:51:21 -0800 (PST) Received: from EUR03-VE1-obe.outbound.protection.outlook.com (mail-eopbgr50125.outbound.protection.outlook.com [40.107.5.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3B661130F00 for ; 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boundary="_000_CWXP123MB1781B21A0481DF62EC12BB85EB7F0CWXP123MB1781GBRP_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 284a2dd7-706f-49b6-f8a4-08d698b3e638 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Feb 2019 10:52:54.7404 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a7f35688-9c00-4d5e-ba41-29f146377ab0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: CWXP123MB2213 X-OriginatorOrg: bt.com Archived-At: Subject: Re: [multipathtcp] mptcp - New Meeting Session Request for IETF 104 X-BeenThere: multipathtcp@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Multi-path extensions for TCP List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Feb 2019 10:53:09 -0000 --_000_CWXP123MB1781B21A0481DF62EC12BB85EB7F0CWXP123MB1781GBRP_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi, the people doing the scheduling for the IETF meeting have asked if we can c= ope with a shorter slot (1hour on wed or 1.5 hour on friday). So far we only got a couple of requests for short talks - plus more general= time to discuss potential future work items - so we're inclined to say we = can cope with a 1 hour timeslot. Therefore if you do want time to present /discuss something and haven't yet= asked, please ask quickly - to make sure we don't end up with not enough t= ime. thanks ________________________________ From: multipathtcp on behalf of philip.eard= ley@bt.com Sent: 16 January 2019 08:33:49 To: multipathtcp@ietf.org Subject: [multipathtcp] FW: mptcp - New Meeting Session Request for IETF 10= 4 We've requested a 2-hour session for Prague. Since we didn=92t meet last ti= me and likely there are more MPTCP people at this ietf. Hopefully WGLC comm= ents on rfc6824bis will be handled well before then, but it's possible we h= ave IETF Last call comments by then. Please let us know if the Conflicts list has major omissions - we can adjus= t Thanks Phil & Yoshi -----Original Message----- From: IETF Meeting Session Request Tool [mailto:session-request@ietf.org] Sent: 16 January 2019 08:28 To: session-request@ietf.org Cc: multipathtcp@ietf.org; ietf@kuehlewind.net; Eardley,PL,Philip,TUD1 R ; mptcp-chairs@ietf.org Subject: mptcp - New Meeting Session Request for IETF 104 A new meeting session request has just been submitted by Philip Eardley, a = Chair of the mptcp working group. --------------------------------------------------------- Working Group Name: Multipath TCP Area Name: Transport Area Session Requester: Philip Eardley Number of Sessions: 1 Length of Session(s): 2 Hours Number of Attendees: 80 Conflicts to Avoid: First Priority: tcpm tsvarea tsvwg quic Second Priority: taps ippm inta= rea irtfopen iccrg panrg Third Priority: dinrg icnrg maprg People who must be present: Yoshifumi Nishida Philip Eardley Mirja Kuehlewind Resources Requested: Special Requests: 3rd priority: mrsa bof --------------------------------------------------------- _______________________________________________ multipathtcp mailing list multipathtcp@ietf.org https://www.ietf.org/mailman/listinfo/multipathtcp --_000_CWXP123MB1781B21A0481DF62EC12BB85EB7F0CWXP123MB1781GBRP_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Hi,

the people doing the scheduling f= or the IETF meeting have asked if we can cope with a shorter slot (1hour on= wed or 1.5 hour on friday).

So far we only got a couple of re= quests for short talks - plus more general time to discuss potential future= work items - so we're inclined to say we can cope with a 1 hour timeslot.&= nbsp;

Therefore if you do want tim= e to present /discuss something and haven't yet asked, please ask quic= kly - to make sure we don't end up with not enough time.

thanks

From: multipathtcp <mult= ipathtcp-bounces@ietf.org> on behalf of philip.eardley@bt.com <philip= .eardley@bt.com>
Sent: 16 January 2019 08:33:49
To: multipathtcp@ietf.org
Subject: [multipathtcp] FW: mptcp - New Meeting Session Request for = IETF 104
 
We've requested a 2-hour session for Prague. Since= we didn=92t meet last time and likely there are more MPTCP people at this = ietf. Hopefully WGLC comments on rfc6824bis will be handled well before the= n, but it's possible we have IETF Last call comments by then.
Please let us know if the Conflicts list has major omissions - we can adjus= t
Thanks
Phil & Yoshi


-----Original Message-----
From: IETF Meeting Session Request Tool [mailto:session-request@ietf.org]
Sent: 16 January 2019 08:28
To: session-request@ietf.org
Cc: multipathtcp@ietf.org; ietf@kuehlewind.net; Eardley,PL,Philip,TUD1 R &l= t;philip.eardley@bt.com>; mptcp-chairs@ietf.org
Subject: mptcp - New Meeting Session Request for IETF 104



A new meeting session request has just been submitted by Philip Eardley, a = Chair of the mptcp working group.


---------------------------------------------------------
Working Group Name: Multipath TCP
Area Name: Transport Area
Session Requester: Philip Eardley

Number of Sessions: 1
Length of Session(s):  2 Hours
Number of Attendees: 80
Conflicts to Avoid:
 First Priority:  tcpm tsvarea tsvwg quic  Second Priority:&= nbsp; taps ippm intarea irtfopen iccrg panrg  Third Priority:  di= nrg icnrg maprg


People who must be present:
  Yoshifumi Nishida
  Philip Eardley
  Mirja Kuehlewind

Resources Requested:

Special Requests:
  3rd priority: mrsa bof
---------------------------------------------------------

_______________________________________________
multipathtcp mailing list
multipathtcp@ietf.org
https://www.= ietf.org/mailman/listinfo/multipathtcp
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