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bmktZHVlLmRlDQo+ID4+PiBQaG9uZTogKzQ5LTIwMS0xODMtNzY2Nw0KPiA+Pj4gRmF4OiAgICAg KzQ5LTIwMS0xODMtNzY3Mw0KPiA+Pj4gPT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PQ0KPiA+DQoNCg== From nobody Sat Aug 5 04:56:26 2017 Return-Path: X-Original-To: rmcat@ietfa.amsl.com Delivered-To: rmcat@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0695E12ECB7; Sat, 5 Aug 2017 04:56:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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 ZX9KDuBx1VNe; Sat, 5 Aug 2017 04:56:20 -0700 (PDT) Received: from mail-out01.uio.no (mail-out01.uio.no [IPv6:2001:700:100:10::50]) (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 8E24C131C9E; Sat, 5 Aug 2017 04:56:12 -0700 (PDT) Received: from mail-mx03.uio.no ([129.240.10.15]) by mail-out01.uio.no with esmtp (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1ddxge-0002qk-4C; Sat, 05 Aug 2017 13:56:08 +0200 Received: from 21-50-11.connect.netcom.no ([176.11.50.21] helo=[172.20.10.3]) by mail-mx03.uio.no with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) user michawe (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1ddxgd-000FJW-0E; Sat, 05 Aug 2017 13:56:08 +0200 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) From: Michael Welzl In-Reply-To: Date: Sat, 5 Aug 2017 13:56:35 +0200 Cc: Anna Brunstrom , "Xiaoqing Zhu (xiaoqzhu)" , "Flohr, Julius" , "Sergio Mena de la Cruz (semena)" , "rmcat@ietf.org" , "draft-ietf-rmcat-nada@ietf.org" Content-Transfer-Encoding: quoted-printable Message-Id: <4D174F4F-520C-466B-93B3-D0102B685157@ifi.uio.no> References: <7c5453a5-65f6-6f74-6214-346469c8abce@kau.se> <62513FF8-0A36-45FC-878C-7D03A1772A2A@uni-due.de> <6ca96a44-0ca2-2704-41f6-3eaeaf35afa7@kau.se> <830396B0-DCDB-42F3-BAF7-EE122CA123D1@uni-due.de> <1500572924701.63015@cisco.com> To: Ingemar Johansson S X-Mailer: Apple Mail (2.3273) X-UiO-SPF-Received: Received-SPF: neutral (mail-mx03.uio.no: 176.11.50.21 is neither permitted nor denied by domain of ifi.uio.no) client-ip=176.11.50.21; envelope-from=michawe@ifi.uio.no; helo=[172.20.10.3]; X-UiO-Ratelimit-Test: rcpts/h 7 msgs/h 1 sum rcpts/h 7 sum msgs/h 1 total rcpts 56514 max rcpts/h 54 ratelimit 0 X-UiO-Spam-info: not spam, SpamAssassin (score=-4.9, required=5.0, autolearn=disabled, AWL=0.082, UIO_MAIL_IS_INTERNAL=-5, uiobl=NO, uiouri=NO) X-UiO-Scanned: 9BC748427755E701CB00E9370C32A3012CC0397D X-UiO-SPAM-Test: remote_host: 176.11.50.21 spam_score: -48 maxlevel 80 minaction 2 bait 0 mail/h: 1 total 5 max/h 1 blacklist 0 greylist 0 ratelimit 0 Archived-At: Subject: Re: [rmcat] Still looking for reviews of draft-ietf-rmcat-nada X-BeenThere: rmcat@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "RTP Media Congestion Avoidance Techniques \(RMCAT\) Working Group discussion list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Aug 2017 11:56:25 -0000 +1, of course :-) i (naturally) liked seeing this in SCREAM, and I do think the logic of = ABE (draft-ietf-tcpm-alternativebackoff-ecn) applies to all RMCAT = controls (why wouldn=E2=80=99t it?). So, thanks Ingemar for pointing this out! Cheers, Michael > On Aug 5, 2017, at 12:06 PM, Ingemar Johansson S = wrote: >=20 > Hi > Not sure that we are in full agreement, it is possible that I = misunderstand. > The estimation of marking ratio in section 5.1.2 in the NADA draft = indicates a scalable reaction (read L4S).=20 >=20 > As I understand it, one cannot assume that classic ECN marking makes = it possible to use a scalable response. What is possible to do is to use = ECN marking events (one or more ECN marked packets in one window or RTT) = as a signal to reduce the sending rate for instance 50% or whatever is = deemed appropriate (see e.g. = https://tools.ietf.org/html/draft-ietf-tcpm-alternativebackoff-ecn-01 ).=20= >=20 > Agree that we can leave L4S out of scope for the time being. >=20 > /Ingemar >=20 >=20 >> -----Original Message----- >> From: Anna Brunstrom [mailto:anna.brunstrom@kau.se] >> Sent: den 26 juli 2017 03:06 >> To: Ingemar Johansson S ; Xiaoqing >> Zhu (xiaoqzhu) ; Flohr, Julius > due.de>; Sergio Mena de la Cruz (semena) >> Cc: rmcat@ietf.org; draft-ietf-rmcat-nada@ietf.org >> Subject: Re: [rmcat] Still looking for reviews of = draft-ietf-rmcat-nada >>=20 >> Hi Ingemar, >>=20 >> I think this is actually even more related to the feedback than the = marking, >> the "classic" feedback provided by TCP does not tell you how many = marked >> packets you have received. But as the RTCP feedback gives you per = packet >> information I think there will be no difference from when you have an = AQM >> with loss in this case? >>=20 >> L4S will give you a different marking, but I think that should be = left out of >> scope at the moment and treating lost and marked packets the same in >> accordance with RFC 6679 is fine. >>=20 >> BR, >> Anna (as an individual) >>=20 >>=20 >> On 2017-07-25 09:22, Ingemar Johansson S wrote: >>> Hi >>> An errata... >>>=20 >>> Referring to "classic" AQMs like CoDel "It is AFAIK possible to >>> accurately indicate the degree of congestion" should read "It is = AFAIK >>> not possible to accurately indicate the degree of congestion" >>>=20 >>> /Ingemar >>>=20 >>>> -----Original Message----- >>>> From: Ingemar Johansson S >>>> Sent: den 20 juli 2017 21:55 >>>> To: 'Xiaoqing Zhu (xiaoqzhu)' ; Flohr, Julius >>>> ; Sergio Mena de la Cruz (semena) >>>> >>>> Cc: Anna Brunstrom ; rmcat@ietf.org; >>>> draft-ietf- rmcat-nada@ietf.org >>>> Subject: RE: [rmcat] Still looking for reviews of >>>> draft-ietf-rmcat-nada >>>>=20 >>>> Hi Xiaoqing + others >>>>=20 >>>> To your ECN question... This is tricky, if I understand things = right >>>> you tie NADA to a specific ECN marking algorithm. For instance = CoDel >>>> will display a completely different ECN marking behavior. The snag = is >>>> that with classic ECN marking like this you can only indicate the >>>> existence of congestion. It is AFAIK possible to accurately = indicate the >> degree of congestion. >>>> L4S is a different story as it allows to indicate the degree of = congestion. >>>>=20 >>>> /Ingemar >>>>=20 >>>>=20 >>>>> -----Original Message----- >>>>> From: Xiaoqing Zhu (xiaoqzhu) [mailto:xiaoqzhu@cisco.com] >>>>> Sent: den 20 juli 2017 19:48 >>>>> To: Flohr, Julius ; Sergio Mena de la = Cruz >>>>> (semena) >>>>> Cc: Anna Brunstrom ; Ingemar Johansson S >>>>> ; rmcat@ietf.org; >>>>> draft-ietf-rmcat- nada@ietf.org >>>>> Subject: Re: [rmcat] Still looking for reviews of >>>>> draft-ietf-rmcat-nada >>>>>=20 >>>>> Catching up on this thread. >>>>>=20 >>>>> Thanks much to Julius, Ingmar, and Safiqul for reviewing this = draft >>>>> and providing your input. >>>>>=20 >>>>> Regarding Ingmar's comments: >>>>>=20 >>>>> * Page 8, computation of d_tilde and the risk of being locked in = the >>>>> loss- based mode due to non-linear warping: fully agree that this >>>>> is a limitation of the algorithm we should acknowledge in the = draft. >>>>> In the meanwhile would like to work with Julius to look into >>>>> specific example failure cases, and hopefully derive further >>>>> insights on how to better tune the algorithm parameters. Will >>>>> update both our ns3-rmcat implementation and NADA draft after that >> investigation. >>>>>=20 >>>>> * Section 5.1.2 : Estimation of p_mark : as I understand your >>>>> comments point to the fact that different ECN marking behaviors = may >>>>> occur and some (e.g., >>>>> L4S) may not interact well with NADA. It is true that we have not >>>>> tested NADA extensively against different variants of ECN markings >>>>> --- the one's we've tried before are RED (marking instead of = dropping). >>>>> One way to help clarify that will be to point to our Appendix A.2 = as >>>>> the specific ECN marking behavior we expect, in Sec. 5.1.2. Do = you >>>>> think that will address your concern? >>>>>=20 >>>>> And, thanks to Julius for sharing with us issues you've observed = in >>>>> your implementation efforts. We've set up a separate email thread >>>>> to meet up remotely and go over that in greater technical details. >>>>>=20 >>>>> Question back to the Chairs: our plan now is to update both our >>>>> draft (to address both sets of Ingmar's comments) and = corresponding >>>>> ns3 >>>>> open- source implementation, within a month. Procedure-wise, are = we >>>>> expecting the updated version (-05) to go through WGLC again at = that >>>>> point? Just trying to understand what to expect next. >>>>>=20 >>>>> Thanks, >>>>> Xiaoqing >>>>>=20 >>>>>=20 >>>>>=20 >>>>> ________________________________________ >>>>> From: Flohr, Julius >>>>> Sent: Wednesday, July 19, 2017 6:19 AM >>>>> To: Sergio Mena de la Cruz (semena) >>>>> Cc: Anna Brunstrom; Ingemar Johansson S; rmcat@ietf.org; >>>>> draft-ietf-rmcat- nada@ietf.org >>>>> Subject: Re: [rmcat] Still looking for reviews of >>>>> draft-ietf-rmcat-nada >>>>>=20 >>>>> Hi, >>>>>=20 >>>>>> On 19. Jul 2017, at 09:01, Sergio Mena wrote: >>>>>>=20 >>>>>>=20 >>>>>> As for Julius's tests, we thank Julius for the effort put into = it, >>>>>> and would like >>>>> to see how his results compare to our latest ones (see Slides >>>>> presented by Xiaoqing in April's RMCAT interim). >>>>> I haven't done too much testing, but as far as I can tell there is >>>>> an issue when the bottleneck bandwidth is smaller than RMAX: >>>>> If you have a competition scenario between NADA and a loss based >>>>> flow, it seems that nada gets stuck in the competitive mode = because >>>>> itself creates queueing delay that is larger than QTH. >>>>>=20 >>>>> I actually made a little mistake when I said the problem has = gotten >>>>> worse compared to the last version of the draft. The issue = actually >>>>> has been introduced in version 03 with the introduction of = TEXPLOSS. >>>>> Before, the draft was very unclear and stated that one should warp >>>>> the congestion signal IFF packet loss is present, but without = stating a >> time span. >>>>>=20 >>>>> Therefore the implementation just used the knowledge it had from = the >>>>> recent observation window LOGWIN (500 ms). That worked really well >>>>> because it helped the algorithm to return to the normal mode of >>>>> operation more easily, because after that timespan it would stop >>>>> warping regardless whether there is lots of queueing delay present = or >> not. >>>>>=20 >>>>> I don't know if this is an issue with my implementation or if = there >>>>> is an actual issue with the algorithm, but this is what I have = observed. >>>>>=20 >>>>> I'll contact Xiaoqing and Sergio directly so we can work together = on >>>>> this issue and post our findings to this mailing list directly. >>>>>=20 >>>>> Regards, >>>>>=20 >>>>> Julius >>>>>=20 >>>>>=20 >>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >>>>> Julius Flohr, M.Sc. >>>>> University of Duisburg-Essen >>>>> Computer Networking Technology Group >>>>>=20 >>>>> Room SL-408 >>>>> Sch=C3=BCtzenbahn 70 >>>>> D-45326 Essen/Germany >>>>>=20 >>>>> E-Mail: julius.flohr@uni-due.de >>>>> Phone: +49-201-183-7667 >>>>> Fax: +49-201-183-7673 >>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >>>=20 >=20 From nobody Thu Aug 10 04:02:11 2017 Return-Path: X-Original-To: rmcat@ietfa.amsl.com Delivered-To: rmcat@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C2279132695 for ; Thu, 10 Aug 2017 04:02:09 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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 hICeRXmmkLwL for ; Thu, 10 Aug 2017 04:02:03 -0700 (PDT) Received: from haggis.mythic-beasts.com (haggis.mythic-beasts.com [IPv6:2a00:1098:0:86:1000:0:2:1]) (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 1620C126C22 for ; Thu, 10 Aug 2017 04:02:03 -0700 (PDT) Received: from [130.209.247.112] (port=63030 helo=mangole.dcs.gla.ac.uk) by haggis.mythic-beasts.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1dflDw-0002YT-L1 for rmcat@ietf.org; Thu, 10 Aug 2017 12:02:01 +0100 From: Colin Perkins Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Message-Id: <795F5D90-A8B5-423A-953C-E7498F96B071@csperkins.org> Date: Thu, 10 Aug 2017 12:01:54 +0100 To: "rmcat@ietf.org WG" X-Mailer: Apple Mail (2.3273) X-BlackCat-Spam-Score: 4 Archived-At: Subject: [rmcat] IETF99 RMCAT minutes X-BeenThere: rmcat@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "RTP Media Congestion Avoidance Techniques \(RMCAT\) Working Group discussion list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Aug 2017 11:02:10 -0000 WG, The minutes of the recent RMCAT meeting at IETF 99 in Prague have been = uploaded to = https://datatracker.ietf.org/meeting/99/materials/minutes-99-rmcat Thanks to Alan Ford for taking notes. Please send any = comments/corrections to the chairs. Thanks, Colin (as WG co-chair) From nobody Mon Aug 14 09:16:22 2017 Return-Path: X-Original-To: rmcat@ietf.org Delivered-To: rmcat@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id F3D341323AE; Mon, 14 Aug 2017 09:16:14 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.58.0 Auto-Submitted: auto-generated Precedence: bulk CC: rmcat-chairs@ietf.org, Colin Perkins , rmcat@ietf.org, draft-ietf-rmcat-coupled-cc@ietf.org, ietf@kuehlewind.net, csp@csperkins.org Reply-To: ietf@ietf.org Sender: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <150272737499.457.17966854279904179470.idtracker@ietfa.amsl.com> Date: Mon, 14 Aug 2017 09:16:14 -0700 Archived-At: Subject: [rmcat] Last Call: (Coupled congestion control for RTP media) to Experimental RFC X-BeenThere: rmcat@ietf.org X-Mailman-Version: 2.1.22 List-Id: "RTP Media Congestion Avoidance Techniques \(RMCAT\) Working Group discussion list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Aug 2017 16:16:15 -0000 The IESG has received a request from the RTP Media Congestion Avoidance Techniques WG (rmcat) to consider the following document: - 'Coupled congestion control for RTP media' as Experimental RFC The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2017-08-28. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract When multiple congestion controlled RTP sessions traverse the same network bottleneck, combining their controls can improve the total on-the-wire behavior in terms of delay, loss and fairness. This document describes such a method for flows that have the same sender, in a way that is as flexible and simple as possible while minimizing the amount of changes needed to existing RTP applications. It specifies how to apply the method for the NADA congestion control algorithm, and provides suggestions on how to apply it to other congestion control algorithms. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-rmcat-coupled-cc/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-rmcat-coupled-cc/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Tue Aug 15 02:21:41 2017 Return-Path: X-Original-To: rmcat@ietf.org Delivered-To: rmcat@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 608161204DA; Tue, 15 Aug 2017 02:21:39 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Meeting Session Request Tool To: Cc: rmcat-chairs@ietf.org, ietf@kuehlewind.net, csp@csperkins.org, rmcat@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.58.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150278889931.20980.18436601545293274259.idtracker@ietfa.amsl.com> Date: Tue, 15 Aug 2017 02:21:39 -0700 Archived-At: Subject: [rmcat] rmcat - New Meeting Session Request for IETF 100 X-BeenThere: rmcat@ietf.org X-Mailman-Version: 2.1.22 List-Id: "RTP Media Congestion Avoidance Techniques \(RMCAT\) Working Group discussion list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Aug 2017 09:21:39 -0000 A new meeting session request has just been submitted by Dr. Colin Perkins, a Chair of the rmcat working group. --------------------------------------------------------- Working Group Name: RTP Media Congestion Avoidance Techniques Area Name: Transport Area Session Requester: Colin Perkins Number of Sessions: 1 Length of Session(s): 1.5 Hours Number of Attendees: 30 Conflicts to Avoid: First Priority: avtcore irtfopen maprg mmusic rtcweb taps tsvarea tsvwg xrblock tcpm iccrg quic Second Priority: artarea dispatch People who must be present: Dr. Colin Perkins Martin Stiemerling Mirja Kuehlewind Anna Brunstrom Resources Requested: Special Requests: --------------------------------------------------------- From nobody Mon Aug 28 06:44:55 2017 Return-Path: X-Original-To: rmcat@ietfa.amsl.com Delivered-To: rmcat@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AB9D3132936; 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Mon, 28 Aug 2017 13:44:43 +0000 From: Ingemar Johansson S To: "rmcat WG (rmcat@ietf.org)" , tsvwg IETF list CC: QUIC IETF mailing list Thread-Topic: SCReAM congestion control with ECN support Thread-Index: AdMgA7+OopcqECc5TgW2pH9Wr69HXQ== Date: Mon, 28 Aug 2017 13:44:42 +0000 Message-ID: Accept-Language: sv-SE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [192.176.1.87] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; DBXPR07MB110; 6:+O3UZqBG7H1LqKDsJCsa9EKkrmrywTAnF+V7LhQL7VOIh/NY+UTYqV4LUybEkkpjjtke/LVKjsnsiK54QgXCI68iDyqh+iBhhbAaLhQ9CGNV5CJwP0hvw8W+YnQ5FoPVZT6G1K90Z3uzApvKrcYBjSByYANdxbV6zeN0yZPcPugp7Jt+soSQiV9QSe25QiQ6HBTYZsol7px1bA3pq3tPkFaIWLIev9Brtu54DhB5bebL7izI4VyxBcC1/GghzhQmMoMuqBPLayVkiWdQ7+ycZ+pTFx5srKN88CZLDxZyzN4oy1gY9EQnHfa7VfDkkaWIlTN9tZerTOwJBrnO0dJFSw==; 5:hbx0hIQT8tRh8f93SWh8yLZDj2x8YxB0XUNUGJ9rfAdYBPniXgZw4BoHCj5xgs3DVfwuqj7CwoYc9t/Ka60liAusammIcuuM9d+uAaG4pOOCNLcz+KI6PXqSrdbkHsNf1Y3VC6wcJVRWO+n88cewiw==; 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DIR:OUT; SFP:1101; SCL:1; SRVR:DBXPR07MB110; H:DBXPR07MB351.eurprd07.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; received-spf: None (protection.outlook.com: ericsson.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=ingemar.s.johansson@ericsson.com; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_DBXPR07MB351EFC36B64990A8FE5A860C29E0DBXPR07MB351eurprd_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Aug 2017 13:44:42.9165 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 92e84ceb-fbfd-47ab-be52-080c6b87953f X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBXPR07MB110 X-OriginatorOrg: ericsson.com X-Brightmail-Tracker: H4sIAAAAAAAAA02SaUhUYRSG++YuXicHrpPLadKoAaHGZiyNEhMzCvKHkWSECqKD3lRya65Z GpIpGk7uKKb9UHHQtCzMpUky9eZStDhJmUpZrkMuaJqISZozn4H/nvO+53AWDkNIqykZExWb wGli1dFyWkyWBjxTKn336gIPT40ed8+u2On+cGiBdu+Z/UZ7Ez463arIDwWJPcO56KhETuPi FSqOzDKmxE+cuDGRVkqnIv0xLbJkgD0Kk39GSRNL2S4Et5citUi8ya8RGHJbCFNAsjkELBnb aOwUiWAqp4fEwSiCupI2ZKqnWU+oFVbMbMNehPaVdEqLGIZgFZBXy5vkXawb/P7USuMUd1ib HbfArILut43mUpJ1gqbCO2ZdwgZBR9uUeTzEOsL3lREzE6w9DE+Ui/AKLOhe9BGYbeHn+Lq5 LbD7QPd3N5Ydob/8LjKNDGyGBWyUtyBsqKC5YG6Lz0H+aj+Bk0ZFkL+wTGHjIDzuyNtqlgLd T2ZJzFHwq8FA4oKPFNQWZ9G4swO8T4vAehUFmfMNCB+Yg5r6DIS3CYPFoRwqHynKti2EOQ4M fSNUmfkA1vCmdILEugoGi4tozM5QXTlDYFbCvXWB3K5XIIs6ZMtzPB8T4eqq4jRRYTwfF6uK 5RKeos3v6Wxa89CjTuMpAbEMkltJJqeqAqWUOpFPihEQMITcRjLsoAuUSsLVScmcJi5Ecy2a 4wW0hyHl9hLvl4YAKRuhTuCucFw8p/nvihhLWSo6EzLQ5xN8aEOqr//iZNjhnD6QXNjTa938 uetDgN43+Ourm71XBZmiwFkz3VzUHv1u+oKQfSk+l7D1ryxRaJWPLKYn7dIrZ4xzpzNrMhKX 57MOuDwYPp+wPGZoPNlaRY15CNcX7Z+nBBp+yNr23zobLnjajRUOull5+bv4NVwOvS8n+Uj1 EQWh4dX/AGGbLa45AwAA Archived-At: Subject: [rmcat] SCReAM congestion control with ECN support X-BeenThere: rmcat@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "RTP Media Congestion Avoidance Techniques \(RMCAT\) Working Group discussion list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Aug 2017 13:44:54 -0000 --_000_DBXPR07MB351EFC36B64990A8FE5A860C29E0DBXPR07MB351eurprd_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Just in case that there are still people around who question the benefits w= ith ECN. The SCReAM congestion control code has now been updated to support ECN. You= can find more info + some rudimentary videos from a real test at https://github.com/EricssonResearch/scream#ecn-explicit-congestion-notifica= tion Something QUIC related. Implementing ECN support in Linux is very straightf= orward. Look for instance in https://gist.github.com/jirihnidek/95c369996a8= 1be1b854e for the details. /Ingemar =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D Ingemar Johansson M.Sc. Master Researcher Ericsson AB Wireless Access Networks Labratoriegr=E4nd 11 971 28, Lule=E5, Sweden Phone +46-1071 43042 SMS/MMS +46-73 078 3289 ingemar.s.johansson@ericsson.com www.ericsson.com A mistake is to commit a misunderstanding Bob Dylan =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D --_000_DBXPR07MB351EFC36B64990A8FE5A860C29E0DBXPR07MB351eurprd_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi

 

Just in case that there are still people around who = question the benefits with ECN.

 

The SCReAM congestion control code has now been upda= ted to support ECN. You can find more info + some rudimentary videos fr= om a real test at

https://github.com/EricssonResearch= /scream#ecn-explicit-congestion-notification

 

Something QUIC related. Implementing ECN support in = Linux is very straightforward. Look for instance in https:/= /gist.github.com/jirihnidek/95c369996a81be1b854e for the details.

 

/Ingemar

=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D

Ingemar Johansson = M.Sc.

Master Researcher<= /o:p>

 

Ericsson AB<= /span>

Wireless Access Network= s

Labratoriegr=E4nd 11

971 28, Lule=E5, Sweden=

Phone +46-1071 4304= 2

SMS/MMS +46-73 078 = 3289

ingemar.s.johansson@ericsson.com

www.ericsson.com

 

A mistake is to commit a misunderstanding
       =             &nb= sp; Bob Dylan
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<= /o:p>

 

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