RTP Control Protocol (RTCP) Extended Report (XR) Blocks for Synchronization Delay and Offset Metrics Reporting
draft-ietf-xrblock-rtcp-xr-synchronization-07

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Last updated 2014-02-04 (latest revision 2013-11-18)
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Network Working Group                                          H. Asaeda
Internet-Draft                                                      NICT
Intended status: Standards Track                                   Q. Wu
Expires: May 23, 2014                                           R. Huang
                                                                  Huawei
                                                       November 19, 2013

      RTP Control Protocol (RTCP) Extended Report (XR) Blocks for
           Synchronization Delay and Offset Metrics Reporting
             draft-ietf-xrblock-rtcp-xr-synchronization-07

Abstract

   This document defines two RTP Control Protocol (RTCP) Extended Report
   (XR) Blocks that allow the reporting of synchronization delay and
   offset metrics for use in a range of RTP applications.

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   This Internet-Draft will expire on May 23, 2014.

Copyright Notice

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

Asaeda, et al.            Expires May 23, 2014                  [Page 1]
Internet-Draft              SDO Report Blocks              November 2013

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Synchronization Delay and Offset Metrics Reporting Blocks   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.  RTP Flows Initial Synchronization Delay Report Block  . . . .   5
     3.1.  Metric Block Structure  . . . . . . . . . . . . . . . . .   5
     3.2.  Definition of Fields in RTP Flow Initial Synchronization
           Delay Metrics Block . . . . . . . . . . . . . . . . . . .   5
   4.  RTP Flows Synchronization Offset Metrics Block  . . . . . . .   6
     4.1.  Metric Block Structure  . . . . . . . . . . . . . . . . .   7
     4.2.  Definition of Fields in RTP Flow General Synchronization
           Offset Metrics Block  . . . . . . . . . . . . . . . . . .   7
   5.  SDP Signaling . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.1.  SDP rtcp-xr-attrib Attribute Extension  . . . . . . . . .   9
     5.2.  Offer/Answer Usage  . . . . . . . . . . . . . . . . . . .  10
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  11
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Appendix A.  Metrics represented using RFC6390 Template . . . . .  12
   Appendix B.  Change Log . . . . . . . . . . . . . . . . . . . . .  13
     B.1.  draft-ietf-xrblock-rtcp-xr-syncronization-07  . . . . . .  13
     B.2.  draft-ietf-xrblock-rtcp-xr-syncronization-06  . . . . . .  13
     B.3.  draft-ietf-xrblock-rtcp-xr-syncronization-05  . . . . . .  13
     B.4.  draft-ietf-xrblock-rtcp-xr-syncronization-04  . . . . . .  14
     B.5.  draft-ietf-xrblock-rtcp-xr-syncronization-03  . . . . . .  14
     B.6.  draft-ietf-xrblock-rtcp-xr-syncronization-02  . . . . . .  14
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  14

1.  Introduction

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