From nobody Tue May 2 00:36:44 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 E89C012EB54; Tue, 2 May 2017 00:36:34 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: rmcat@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.50.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149371059489.9906.4835734776675678211@ietfa.amsl.com> Date: Tue, 02 May 2017 00:36:34 -0700 Archived-At: Subject: [rmcat] I-D Action: draft-dt-rmcat-feedback-message-02.txt 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, 02 May 2017 07:36:35 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the RTP Media Congestion Avoidance Techniques of the IETF. Title : RTP Control Protocol (RTCP) Feedback for Congestion Control Authors : Zaheduzzaman Sarker Colin Perkins Varun Singh Michael A. Ramalho Filename : draft-dt-rmcat-feedback-message-02.txt Pages : 12 Date : 2017-05-02 Abstract: This document describes a feedback message intended to enable congestion control for interactive real-time traffic. The RTP Media Congestion Avoidance Techniques (RMCAT) Working Group formed a design team to analyze feedback requirements from various congestion control algorithms and to design a generic feedback message to help ensure interoperability across those algorithms. The feedback message is designed for a sender-based congestion control, which means the receiver of the media will send necessary feedback to the sender of the media to perform the congestion control at the sender. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-dt-rmcat-feedback-message/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-dt-rmcat-feedback-message-02 https://datatracker.ietf.org/doc/html/draft-dt-rmcat-feedback-message-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-dt-rmcat-feedback-message-02 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 Tue May 2 00:49:24 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 384BD12EAE0 for ; Tue, 2 May 2017 00:49:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ericsson.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 s4aFGRhpYDK3 for ; Tue, 2 May 2017 00:49:21 -0700 (PDT) Received: from sesbmg23.ericsson.net (sesbmg23.ericsson.net [193.180.251.37]) (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 8E17E12952E for ; 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 May 2017 18:55:21 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the RTP Media Congestion Avoidance Techniques of the IETF. Title : Self-Clocked Rate Adaptation for Multimedia Authors : Ingemar Johansson Zaheduzzaman Sarker Filename : draft-ietf-rmcat-scream-cc-08.txt Pages : 37 Date : 2017-05-10 Abstract: This memo describes a rate adaptation algorithm for conversational media services such as video. The solution conforms to the packet conservation principle and uses a hybrid loss and delay based congestion control algorithm. The algorithm is evaluated over both simulated Internet bottleneck scenarios as well as in a Long Term Evolution (LTE) system simulator and is shown to achieve both low latency and high video throughput in these scenarios. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-rmcat-scream-cc/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-rmcat-scream-cc-08 https://datatracker.ietf.org/doc/html/draft-ietf-rmcat-scream-cc-08 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-rmcat-scream-cc-08 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. 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Fri, 12 May 2017 11:06:02 +0000 From: Ingemar Johansson S To: "rmcat WG (rmcat@ietf.org)" , "'iccrg@irtf.org'" Thread-Topic: SCReAM evaluation Thread-Index: AdLLD69GJExK6V6oR3efMJtBB8+/sw== Date: Fri, 12 May 2017 11:06:01 +0000 Message-ID: Accept-Language: sv-SE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: ietf.org; dkim=none (message not signed) header.d=none;ietf.org; dmarc=none action=none header.from=ericsson.com; x-originating-ip: [192.176.1.85] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; DB4PR07MB346; 7:56cRiXeCW3WXpif6WhSYTqtKbcEjSfFHzdmIfOIONAc/sHkplH3WH/fdTXOEWxDYCw35tVOZv07cjWm70HsvlU/dNFfep8g1ylN3P47mMrZuPgvhW/RxQ4W5KAIKGZsX/ThaapigfwyEfkLKrse9UZMt/CU+e2yu0PN5D+Su2/tnOHzi7Ocj1Gv7K0ugcnMjzFrWjGzaG7cjomPREPtboukDzf/ghgc+hAddZYdowdQEJcvlrEb4GzOr1Nr58OrWlXzzB8FfgdvRgBlHyg09bl8wqxCvRQ12YaSjYMWEotXBURRqgTxt+2zIvejPJ59/AcAlXq7k3BV/iHFpGww3Ow== x-ms-office365-filtering-correlation-id: 90bd40c7-beb9-4343-844c-08d49926e08e x-microsoft-antispam: UriScan:; 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 May 2017 11:11:14 -0000 --_000_DB4PR07MB34872D7E0C7F1BE171ADB5BC2E20DB4PR07MB348eurprd_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi If you go to https://github.com/EricssonResearch/scream and scroll down a b= it to "Real life test" you'll find an example with the SCReAM algorithm tha= t congestion controls an Antrica HW video coder over LTE uplink with somewh= at bad coverage. Unfortunately it was not possible to screen-grab the video due to complexit= y issues with the screen grabber so I needed to use a camcorder to record t= he screen, please bare with the somewhat bad quality /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_DB4PR07MB34872D7E0C7F1BE171ADB5BC2E20DB4PR07MB348eurprd_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi

 

If you go to https://github.com/EricssonResearch/scream and scroll down a bit to = 220;Real life test” you’ll find an example with the SCReAM algo= rithm that congestion controls an Antrica HW video coder over LTE uplink wi= th somewhat bad coverage.

 

Unfortunately it was not possible to screen-grab the= video due to complexity issues with the screen grabber so I needed to use = a camcorder to record the screen, please bare with the somewhat bad quality=

 

/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>

 

--_000_DB4PR07MB34872D7E0C7F1BE171ADB5BC2E20DB4PR07MB348eurprd_-- From nobody Tue May 16 12:37:26 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 6EFF3129464; Tue, 16 May 2017 12:37:17 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: rmcat@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.51.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149496343740.6552.47631324800530160@ietfa.amsl.com> Date: Tue, 16 May 2017 12:37:17 -0700 Archived-At: Subject: [rmcat] I-D Action: draft-ietf-rmcat-wireless-tests-04.txt 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, 16 May 2017 19:37:17 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the RTP Media Congestion Avoidance Techniques of the IETF. Title : Evaluation Test Cases for Interactive Real-Time Media over Wireless Networks Authors : Zaheduzzaman Sarker Ingemar Johansson Xiaoqing Zhu Jiantao Fu Wei-Tian Tan Michael A. Ramalho Filename : draft-ietf-rmcat-wireless-tests-04.txt Pages : 21 Date : 2017-05-16 Abstract: There is an ongoing effort in IETF RMCAT working group to standardize rate adaptation algorithm(s) for real-time interactive communication. To ensure seamless and robust user experience, the proposed rate adaptation algorithm(s) should work well across all access network types. This document describes test cases for evaluating performances of the proposed rate adaptation solutions over LTE and Wi-Fi networks. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-rmcat-wireless-tests/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-rmcat-wireless-tests-04 https://datatracker.ietf.org/doc/html/draft-ietf-rmcat-wireless-tests-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-rmcat-wireless-tests-04 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 Tue May 16 12:43:11 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 5A61A1294F5 for ; Tue, 16 May 2017 12:43:09 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.522 X-Spam-Level: X-Spam-Status: No, score=-14.522 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_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.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 iGPbseljS1ut for ; Tue, 16 May 2017 12:43:07 -0700 (PDT) Received: from alln-iport-3.cisco.com (alln-iport-3.cisco.com [173.37.142.90]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 90DFA12EBE4 for ; Tue, 16 May 2017 12:38:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=2265; q=dns/txt; s=iport; t=1494963514; x=1496173114; h=from:to:subject:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version; bh=WLyqxUkuZ/7lxxxDuz/ZTma54SDtc/t4xmuklUQsBAI=; b=cIXdkxyx//OOp9AF/QQAms+aeyAP0k38t55QpVqWXQzgdxe2D2/2gMNj uZTzJpmOyIuwPH6zHv6pNQ2+KNSXh93ISq6TzCxPYv+gDGaa6XT5Tr8Hh Q3nlsia3okpOK+zr+ZdGiCBbBhqCkRAdE57WCZtF089Wc5sTPlysygFQ5 E=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0DJAACyVBtZ/4kNJK1cGgEBAQECAQEBA?= =?us-ascii?q?QgBAQEBg1VigQwHhjGHTJFlhA4BA5Fjgg8uhXYChU8/GAECAQEBAQEBAWsdC4U?= =?us-ascii?q?YAQEBAQN3EgIBCBEEAQEKJQ8jGwIIAgQTG4oIDq5nin8BAQEBAQEBAQEBAQEBA?= =?us-ascii?q?QEBAQEBAR6GX4R5gyGHNAWQIkONJQGHG4t/ggRVhGaKLIh/i0MBHziBCnAVHIc?= =?us-ascii?q?gdgGHNYENAQEB?= X-IronPort-AV: E=Sophos;i="5.38,350,1491264000"; d="scan'208";a="426724816" Received: from alln-core-4.cisco.com ([173.36.13.137]) by alln-iport-3.cisco.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 16 May 2017 19:38:33 +0000 Received: from XCH-ALN-017.cisco.com (xch-aln-017.cisco.com [173.36.7.27]) by alln-core-4.cisco.com (8.14.5/8.14.5) with ESMTP id v4GJcXPT013074 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL) for ; Tue, 16 May 2017 19:38:33 GMT Received: from xch-rcd-016.cisco.com (173.37.102.26) by XCH-ALN-017.cisco.com (173.36.7.27) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 16 May 2017 14:38:33 -0500 Received: from xch-rcd-016.cisco.com ([173.37.102.26]) by XCH-RCD-016.cisco.com ([173.37.102.26]) with mapi id 15.00.1210.000; Tue, 16 May 2017 14:38:33 -0500 From: "Xiaoqing Zhu (xiaoqzhu)" To: "rmcat@ietf.org" Thread-Topic: New Version Notification for draft-ietf-rmcat-wireless-tests-04.txt Thread-Index: AQHSznvWckvhjbrKe0WypADP6P2+KqH3Wr9B Date: Tue, 16 May 2017 19:38:32 +0000 Message-ID: <1494963511870.99150@cisco.com> References: <149496343759.6552.2803867889469232679.idtracker@ietfa.amsl.com> In-Reply-To: <149496343759.6552.2803867889469232679.idtracker@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.24.151.219] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: [rmcat] Fw: New Version Notification for draft-ietf-rmcat-wireless-tests-04.txt 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: Tue, 16 May 2017 19:43:09 -0000 A keep-alive version update with some minor editorial changes. We are stil= l seeking reviews of this draft. Volunteers welcome! =0A= =0A= Thanks,=0A= Xiaoqing=0A= =0A= ________________________________________=0A= From: internet-drafts@ietf.org =0A= Sent: Tuesday, May 16, 2017 2:37 PM=0A= To: rmcat-chairs@ietf.org; Michael Ramalho (mramalho); Xiaoqing Zhu (xiaoqz= hu); Jeromy Fu (jianfu); Zaheduzzaman Sarker; Ingemar Johansson; Dan Tan (d= tan2); Jeromy Fu (jianfu); Michael Ramalho (mramalho); Zaheduzzaman Sarker= =0A= Subject: New Version Notification for draft-ietf-rmcat-wireless-tests-04.tx= t=0A= =0A= A new version of I-D, draft-ietf-rmcat-wireless-tests-04.txt=0A= has been successfully submitted by Xiaoqing Zhu and posted to the=0A= IETF repository.=0A= =0A= Name: draft-ietf-rmcat-wireless-tests=0A= Revision: 04=0A= Title: Evaluation Test Cases for Interactive Real-Time Media over = Wireless Networks=0A= Document date: 2017-05-16=0A= Group: rmcat=0A= Pages: 21=0A= URL: https://www.ietf.org/internet-drafts/draft-ietf-rmcat-wirel= ess-tests-04.txt=0A= Status: https://datatracker.ietf.org/doc/draft-ietf-rmcat-wireless-= tests/=0A= Htmlized: https://tools.ietf.org/html/draft-ietf-rmcat-wireless-tests= -04=0A= Htmlized: https://datatracker.ietf.org/doc/html/draft-ietf-rmcat-wire= less-tests-04=0A= Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-rmcat-wirele= ss-tests-04=0A= =0A= Abstract:=0A= There is an ongoing effort in IETF RMCAT working group to standardize=0A= rate adaptation algorithm(s) for real-time interactive communication.=0A= To ensure seamless and robust user experience, the proposed rate=0A= adaptation algorithm(s) should work well across all access network=0A= types. This document describes test cases for evaluating=0A= performances of the proposed rate adaptation solutions over LTE and=0A= Wi-Fi networks.=0A= =0A= =0A= =0A= =0A= Please note that it may take a couple of minutes from the time of submissio= n=0A= until the htmlized version and diff are available at tools.ietf.org.=0A= =0A= The IETF Secretariat=0A= =0A= From nobody Wed May 17 13:35:36 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 5F5FA12441E for ; Wed, 17 May 2017 13:35:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 May 2017 20:35:35 -0000 --_000_DB4PR07MB34836855E37406BE14B0883C2E70DB4PR07MB348eurprd_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi I took SCReAM out for a test drive, this time transmitting video from a car= , over the LTE network to my office, the details are found at. https://github.com/EricssonResearch/scream#real-life-test Enjoy 30+ minutes of Lule=E5 and surroundings in a sunny (way too late spri= ng) weather, who said congestion control is boring to work with ? :) If you are eager to see the problematic scenes, scroll the video to 8m40s. = Problems with very poor coverage occur at 28m20s. One unexpected feature is that there are packet drops, these packet drops s= eem to be related to handover events. The packet loss rate is not very high= (average 0.2%) but it is high enough to produce noticeable artifacts. Packet loss should actually not occur but it seems like the tethered Androi= d phone discard packets in the send buffer, further investigations are ongo= ing... /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_DB4PR07MB34836855E37406BE14B0883C2E70DB4PR07MB348eurprd_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi

 

I took SCReAM out for a test drive, this time transm= itting video from a car, over the LTE network to my office, the details are= found at.

https://github.com/EricssonResearch/scream#real-life-test=

 

Enjoy 30+ minutes of Lule=E5 and surroundings in= a sunny (way too late spring) weather, who said congestion control is bori= ng to work with ? J

 

If you are eager to see the problematic scenes, scro= ll the video to 8m40s. Problems with very poor coverage occur at 28m20s.

 

One unexpected feature is that there are packet drop= s, these packet drops seem to be related to handover events. The packet los= s rate is not very high (average 0.2%) but it is high enough to produce not= iceable artifacts.

Packet loss should actually not occur but it seems l= ike the tethered Android phone discard packets in the send buffer, further = investigations are ongoing…

 

/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>

 

--_000_DB4PR07MB34836855E37406BE14B0883C2E70DB4PR07MB348eurprd_-- From nobody Mon May 29 02:52:48 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 1042E124BFA; Mon, 29 May 2017 02:52:47 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: rmcat@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.51.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149605156703.3073.5963784330820227964@ietfa.amsl.com> Date: Mon, 29 May 2017 02:52:47 -0700 Archived-At: Subject: [rmcat] I-D Action: draft-ietf-rmcat-scream-cc-09.txt 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, 29 May 2017 09:52:47 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the RTP Media Congestion Avoidance Techniques of the IETF. Title : Self-Clocked Rate Adaptation for Multimedia Authors : Ingemar Johansson Zaheduzzaman Sarker Filename : draft-ietf-rmcat-scream-cc-09.txt Pages : 36 Date : 2017-05-29 Abstract: This memo describes a rate adaptation algorithm for conversational media services such as video. The solution conforms to the packet conservation principle and uses a hybrid loss and delay based congestion control algorithm. The algorithm is evaluated over both simulated Internet bottleneck scenarios as well as in a Long Term Evolution (LTE) system simulator and is shown to achieve both low latency and high video throughput in these scenarios. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-rmcat-scream-cc/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-rmcat-scream-cc-09 https://datatracker.ietf.org/doc/html/draft-ietf-rmcat-scream-cc-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-rmcat-scream-cc-09 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 Mon May 29 08:26:22 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 D52C6129AAD; Mon, 29 May 2017 08:26:20 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ericsson.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 2rWWHh8wKJqX; Mon, 29 May 2017 08:26:19 -0700 (PDT) Received: from sesbmg23.ericsson.net (sesbmg23.ericsson.net [193.180.251.37]) (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 763C5129A97; 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