RTP Control Protocol (RTCP) Extended Report (XR) Blocks for MOS Metric Reporting
draft-ietf-xrblock-rtcp-xr-qoe-13

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Network Working Group                                           A. Clark
Internet-Draft                                                  Telchemy
Intended status: Standards Track                                   Q. Wu
Expires: July 11, 2014                                            Huawei
                                                               R. Schott
                                                        Deutsche Telekom
                                                                 G. Zorn
                                                             Network Zen
                                                        January 9, 2014

 RTP Control Protocol (RTCP) Extended Report (XR) Blocks for MOS Metric
                               Reporting
                   draft-ietf-xrblock-rtcp-xr-qoe-13

Abstract

   This document defines an RTP Control Protocol (RTCP) Extended Report
   (XR) Block including two new segment types and associated SDP
   parameters that allow the reporting of MOS Metrics for use in a range
   of RTP applications.

Status of this Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on July 11, 2014.

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   Copyright (c) 2014 IETF Trust and the persons identified as the
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   This document is subject to BCP 78 and the IETF Trust's Legal
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   publication of this document.  Please review these documents

Clark, et al.            Expires July 11, 2014                  [Page 1]
Internet-Draft          RTCP XR MoS Report Blocks         September 2013

   carefully, as they describe your rights and restrictions with respect
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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1.  MOS Metrics Report Block . . . . . . . . . . . . . . . . .  4
     1.2.  RTCP and RTCP XR Reports . . . . . . . . . . . . . . . . .  4
     1.3.  Performance Metrics Framework  . . . . . . . . . . . . . .  4
     1.4.  Applicability  . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.1.  Standards Language . . . . . . . . . . . . . . . . . . . .  5
   3.  MOS Metrics Block  . . . . . . . . . . . . . . . . . . . . . .  6
     3.1.  Metric Block Structure . . . . . . . . . . . . . . . . . .  6
     3.2.  Definition of Fields in MOS Metrics Block  . . . . . . . .  7
       3.2.1.  Single Channel audio/video per SSRC Segment . . . . .  8
       3.2.2.  Multi-Channel audio per SSRC Segment . . . . . . . . .  9
   4.  SDP Signaling  . . . . . . . . . . . . . . . . . . . . . . . . 10
     4.1.  SDP rtcp-xr-attrib Attribute Extension . . . . . . . . . . 10
     4.2.  Offer/Answer Usage . . . . . . . . . . . . . . . . . . . . 12
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 14
     5.1.  New RTCP XR Block Type value . . . . . . . . . . . . . . . 14
     5.2.  New RTCP XR SDP Parameter  . . . . . . . . . . . . . . . . 14
     5.3.  The SDP calgextmap Attribute . . . . . . . . . . . . . . . 14
     5.4.  New registry of calculation algorithms . . . . . . . . . . 15
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 16
   7.  Authors  . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
   8.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 16
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 17
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 17
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 17
   Appendix A.  Metrics represented using RFC6390 Template  . . . . . 20
   Appendix B.  Change Log  . . . . . . . . . . . . . . . . . . . . . 22
     B.1.  draft-ietf-xrblock-rtcp-xr-qoe-10  . . . . . . . . . . . . 22
     B.2.  draft-ietf-xrblock-rtcp-xr-qoe-09  . . . . . . . . . . . . 23
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