RTP Control Protocol (RTCP) Extended Report (XR) Blocks for QoE Metric Reporting
draft-ietf-xrblock-rtcp-xr-qoe-04

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Last updated 2013-02-25
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Network Working Group                                           A. Clark
Internet-Draft                                                  Telchemy
Intended status: Standards Track                                   Q. Wu
Expires: August 29, 2013                                          Huawei
                                                               R. Schott
                                                                      DT
                                                                 G. Zorn
                                                             Network Zen
                                                       February 25, 2013

 RTP Control Protocol (RTCP) Extended Report (XR) Blocks for QoE Metric
                               Reporting
                   draft-ietf-xrblock-rtcp-xr-qoe-04

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 QoE metrics for use in a range
   of RTP applications.

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on August 29, 2013.

Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents

Clark, et al.            Expires August 29, 2013                [Page 1]
Internet-Draft          RTCP XR QoE Report Blocks          February 2013

   carefully, as they describe your rights and restrictions with respect
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  QoE Metrics Report Block . . . . . . . . . . . . . . . . .  3
     1.2.  RTCP and RTCP XR Reports . . . . . . . . . . . . . . . . .  3
     1.3.  Performance Metrics Framework  . . . . . . . . . . . . . .  3
     1.4.  Applicability  . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  4
     2.1.  Standards Language . . . . . . . . . . . . . . . . . . . .  4
   3.  QoE Metrics Block  . . . . . . . . . . . . . . . . . . . . . .  5
     3.1.  Metric Block Structure . . . . . . . . . . . . . . . . . .  5
     3.2.  Definition of Fields in QoE Metrics Block  . . . . . . . .  6
       3.2.1.  Single Stream per SSRC Segment . . . . . . . . . . . .  7
       3.2.2.  Multi-Channel audio per SSRC Segment . . . . . . . . .  8
   4.  SDP Signaling  . . . . . . . . . . . . . . . . . . . . . . . .  9
     4.1.  SDP rtcp-xr-attrib Attribute Extension . . . . . . . . . .  9
     4.2.  Offer/Answer Usage . . . . . . . . . . . . . . . . . . . . 11
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 12
     5.1.  New RTCP XR Block Type value . . . . . . . . . . . . . . . 12
     5.2.  New RTCP XR SDP Parameter  . . . . . . . . . . . . . . . . 13
     5.3.  Contact information for registrations  . . . . . . . . . . 13
     5.4.  New registry of calculation algorithms . . . . . . . . . . 13
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 14
   7.  Authors  . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
   8.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 14
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 15
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 15
   Appendix A.  Evaluation Example of User Quality of Experience
                for video stream  . . . . . . . . . . . . . . . . . . 16
   Appendix B.  Change Log  . . . . . . . . . . . . . . . . . . . . . 17
     B.1.  draft-ietf-xrblock-rtcp-xr-qoe-04  . . . . . . . . . . . . 17
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