RTP Control Protocol (RTCP) Extended Report (XR) Block for Discard Count metric Reporting
draft-ietf-xrblock-rtcp-xr-discard-14

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Audio/Video Transport Working Group                             A. Clark
Internet-Draft                                                  Telchemy
Intended status: Standards Track                                 G. Zorn
Expires: November 21, 2013                                   Network Zen
                                                                   Q. Wu
                                                                  Huawei
                                                            May 20, 2013

RTP Control Protocol (RTCP) Extended Report (XR) Block for Discard Count
                            metric Reporting
               draft-ietf-xrblock-rtcp-xr-discard-14.txt

Abstract

   This document defines an RTP Control Protocol(RTCP) Extended Report
   (XR) Block that allows the reporting of a simple discard count metric
   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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   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 November 21, 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
   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

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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.  Discard Count 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.  Discard Count Metric Report Block  . . . . . . . . . . . . . .  6
     3.1.  Report Block Structure . . . . . . . . . . . . . . . . . .  6
     3.2.  Definition of Fields in Discard Count Metric Report
           Block  . . . . . . . . . . . . . . . . . . . . . . . . . .  6
   4.  SDP Signaling  . . . . . . . . . . . . . . . . . . . . . . . .  9
     4.1.  SDP rtcp-xr-attrib Attribute Extension . . . . . . . . . .  9
     4.2.  Offer/Answer Usage . . . . . . . . . . . . . . . . . . . .  9
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 10
     5.1.  New RTCP XR Block Type value . . . . . . . . . . . . . . . 10
     5.2.  New RTCP XR SDP Parameter  . . . . . . . . . . . . . . . . 10
     5.3.  Contact information for registrations  . . . . . . . . . . 10
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 11
   7.  Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 12
   8.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 13
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 14
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 14
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 14
   Appendix A.  Metrics represented using RFC6390 Template  . . . . . 15
   Appendix B.  Change Log  . . . . . . . . . . . . . . . . . . . . . 16
     B.1.  draft-ietf-xrblock-rtcp-xr-discard-14  . . . . . . . . . . 16
     B.2.  draft-ietf-xrblock-rtcp-xr-discard-13  . . . . . . . . . . 16
     B.3.  draft-ietf-xrblock-rtcp-xr-discard-12  . . . . . . . . . . 16
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 17

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1.  Introduction

1.1.  Discard Count Report Block

   This document defines a new block type to augment those defined in
   [RFC3611] for use in a range of RTP applications.  The new block type