RTCP XR Report Block for Concealment metrics Reporting on Audio Applications
draft-ietf-xrblock-rtcp-xr-loss-conceal-05

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Document Type Active Internet-Draft (xrblock WG)
Last updated 2013-03-25
Replaces draft-ietf-xrblock-rtcp-xr-concsec
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Audio/Video Transport Working Group                             A. Clark
Internet-Draft                                                  Telchemy
Intended status: Standards Track                            G. Zorn, Ed.
Expires: September 26, 2013                                  Network Zen
                                                                   C. Bi
                                                                   STTRI
                                                              Q. Wu, Ed.
                                                                  Huawei
                                                          March 25, 2013

    RTCP XR Report Block for Concealment metrics Reporting on Audio
                              Applications
             draft-ietf-xrblock-rtcp-xr-loss-conceal-05.txt

Abstract

   This document defines two RTCP XR Report Blocks that allows the
   reporting of loss concealment metrics for audio applications of RTP.

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 September 26, 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
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   (http://trustee.ietf.org/license-info) in effect on the date of
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Clark, et al.          Expires September 26, 2013               [Page 1]
Internet-Draft             RTCP XR Concealment                March 2013

   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.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Loss Concealment and Concealment Seconds Metrics
           Reporting Block  . . . . . . . . . . . . . . . . . . . . .  3
     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.  Loss Concealment Block . . . . . . . . . . . . . . . . . . . .  6
     3.1.  Report Block Structure . . . . . . . . . . . . . . . . . .  6
     3.2.  Definition of Fields in Loss Concealment Report Block  . .  6
   4.  Concealment Seconds Block  . . . . . . . . . . . . . . . . . . 10
     4.1.  Report Block Structure . . . . . . . . . . . . . . . . . . 10
     4.2.  Definition of Fields in Concealed Seconds Metrics Block  . 11
   5.  SDP Signaling  . . . . . . . . . . . . . . . . . . . . . . . . 15
     5.1.  SDP rtcp-xr-attrib Attribute Extension . . . . . . . . . . 15
     5.2.  Offer/Answer Usage . . . . . . . . . . . . . . . . . . . . 15
   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 16
     6.1.  New RTCP XR Block Type values  . . . . . . . . . . . . . . 16
     6.2.  New RTCP XR SDP Parameters . . . . . . . . . . . . . . . . 16
     6.3.  Contact information for registrations  . . . . . . . . . . 16
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 17
   8.  Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 18
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 19
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 20
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 20
     10.2. Informative References . . . . . . . . . . . . . . . . . . 20
   Appendix A.  Metrics represented using RFC6390 Template  . . . . . 21
   Appendix B.  Change Log  . . . . . . . . . . . . . . . . . . . . . 28
     B.1.  draft-ietf-xrblock-rtcp-xr-loss-conceal-05 . . . . . . . . 28
     B.2.  draft-ietf-xrblock-rtcp-xr-loss-conceal-04 . . . . . . . . 28
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 29
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