RTCP XR Report Block for Burst/Gap Discard metric Reporting
draft-ietf-xrblock-rtcp-xr-burst-gap-discard-02

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Document Type Active Internet-Draft (xrblock WG)
Last updated 2012-01-19 (latest revision 2011-10-17)
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Audio/Video Transport Working Group                              G. Hunt
Internet-Draft                                              Unaffiliated
Intended status: Standards Track                                A. Clark
Expires: July 23, 2012                                          Telchemy
                                                                R. Huang
                                                              Q. Wu, Ed.
                                                                  Huawei
                                                        January 20, 2012

      RTCP XR Report Block for Burst/Gap Discard metric Reporting
          draft-ietf-xrblock-rtcp-xr-burst-gap-discard-02.txt

Abstract

   This document defines an RTCP XR Report Block that allows the
   reporting of Burst and Gap Discard metrics for use in a range of RTP
   applications.

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   This Internet-Draft is submitted in full conformance with the
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   This Internet-Draft will expire on July 23, 2012.

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   Copyright (c) 2012 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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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.  Burst and Gap Discard Report Block . . . . . . . . . . . .  3
     1.2.  RTCP and RTCP XR Reports . . . . . . . . . . . . . . . . .  3
     1.3.  Performance Metrics Framework  . . . . . . . . . . . . . .  3
     1.4.  Applicability  . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.1.  Standards Language . . . . . . . . . . . . . . . . . . . .  5
   3.  Burst/Gap Discard Block  . . . . . . . . . . . . . . . . . . .  6
     3.1.  Report Block Structure . . . . . . . . . . . . . . . . . .  6
     3.2.  Definition of Fields in Burst/Gap Loss Report Block  . . .  6
     3.3.  Derived metrics based on reported metrics  . . . . . . . .  8
   4.  Considerations for Voice-over-IP applications  . . . . . . . .  9
   5.  SDP Signaling  . . . . . . . . . . . . . . . . . . . . . . . . 10
   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 11
     6.1.  New RTCP XR Block Type value . . . . . . . . . . . . . . . 11
     6.2.  New RTCP XR SDP Parameter  . . . . . . . . . . . . . . . . 11
     6.3.  Contact information for registrations  . . . . . . . . . . 11
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 12
   8.  Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 13
   9.  Changes from previous version  . . . . . . . . . . . . . . . . 14
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 15
     10.2. Informative References . . . . . . . . . . . . . . . . . . 15
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 16

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1.  Introduction

1.1.  Burst and Gap Discard Report Block

   This draft defines a new block type to augment those defined in
   [RFC3611] for use in a range of RTP applications.  The new block type
   supports the reporting of the proportion of packets discarded by the
   receiver due to jitter.  The discards during discard bursts are
   reported, together with the number of bursts and additional data
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