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RTP Control Protocol (RTCP) Extended Report (XR) Blocks for MOS Metric Reporting
draft-ietf-xrblock-rtcp-xr-qoe-17

Document type: Active Internet-Draft (xrblock WG)
Document stream: IETF
Last updated: 2014-03-04 (latest revision 2014-02-27)
Intended RFC status: Proposed Standard
Other versions: plain text, pdf, html

IETF State: Submitted to IESG for Publication
Consensus: Yes
Document shepherd: Dan Romascanu
Shepherd Write-Up: Last changed 2013-10-03

IESG State: RFC Ed Queue
IANA Action State: RFC-Ed-Ack
RFC Editor State: EDIT
Responsible AD: Gonzalo Camarillo
Send notices to: xrblock-chairs@tools.ietf.org, draft-ietf-xrblock-rtcp-xr-qoe@tools.ietf.org

Network Working Group                                           A. Clark
Internet-Draft                                                  Telchemy
Intended status: Standards Track                                   Q. Wu
Expires: August 31, 2014                                          Huawei
                                                               R. Schott
                                                        Deutsche Telekom
                                                                 G. Zorn
                                                             Network Zen
                                                       February 27, 2014

 RTP Control Protocol (RTCP) Extended Report (XR) Blocks for MOS Metric
                               Reporting
                   draft-ietf-xrblock-rtcp-xr-qoe-17

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 mean opinion score (MOS)
   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
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on August 31, 2014.

Copyright Notice

   Copyright (c) 2014 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 31, 2014                [Page 1]
Internet-Draft          RTCP XR MoS Report Blocks          February 2014

   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Clark, et al.            Expires August 31, 2014                [Page 2]
Internet-Draft          RTCP XR MoS Report Blocks          February 2014

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  . . . . . . . . . . . . . . . . . . . . . .  5
     3.1.  Report 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  . . . . . . . . . . . . . . . . . . . . . . . . 11
     4.1.  SDP rtcp-xr-attrib Attribute Extension . . . . . . . . . . 11
     4.2.  Offer/Answer Usage . . . . . . . . . . . . . . . . . . . . 13
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 15
     5.1.  New RTCP XR Block Type value . . . . . . . . . . . . . . . 15
     5.2.  New RTCP XR SDP Parameter  . . . . . . . . . . . . . . . . 15
     5.3.  The SDP calgextmap Attribute . . . . . . . . . . . . . . . 15
     5.4.  New registry of calculation algorithms . . . . . . . . . . 16
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 17
   7.  Authors  . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
   8.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 17
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 18
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 18
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 18
   Appendix A.  Metrics represented using RFC6390 Template  . . . . . 20

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