RTCP XR Report Block for Packet Delay Variation Metric Reporting
draft-ietf-xrblock-rtcp-xr-pdv-03
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2012-07-23
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Gonzalo Camarillo
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xrblock-chairs@tools.ietf.org, draft-ietf-xrblock-rtcp-xr-pdv@tools.ietf.org
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Audio/Video Transport Working Group G. Hunt
Internet-Draft Unaffiliated
Intended status: Standards Track A. Clark
Expires: November 29, 2012 Telchemy
Q. Wu
Huawei
May 28, 2012
RTCP XR Report Block for Packet Delay Variation Metric Reporting
draft-ietf-xrblock-rtcp-xr-pdv-03.txt
Abstract
This document defines an RTCP XR Report Block that allows the
reporting of Packet Delay Variation metrics for 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
working documents as Internet-Drafts. The list of current Internet-
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 November 29, 2012.
Copyright Notice
Copyright (c) 2012 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
the Trust Legal Provisions and are provided without warranty as
Hunt, et al. Expires November 29, 2012 [Page 1]
Internet-Draft RTCP XR Packet Delay Variation May 2012
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Packet Delay Variation Metrics Block . . . . . . . . . . . 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
2.2. Notations . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Packet Delay Variation Metrics Block . . . . . . . . . . . . . 5
3.1. Report Block Structure . . . . . . . . . . . . . . . . . . 5
3.2. Definition of Fields in PDV Metrics Block . . . . . . . . 5
3.3. Guidance on use of PDV metrics . . . . . . . . . . . . . . 8
3.4. Examples of use . . . . . . . . . . . . . . . . . . . . . 9
4. SDP Signaling . . . . . . . . . . . . . . . . . . . . . . . . 11
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 12
5.1. New RTCP XR Block Type value . . . . . . . . . . . . . . . 12
5.2. New RTCP XR SDP Parameter . . . . . . . . . . . . . . . . 12
5.3. Contact information for registrations . . . . . . . . . . 12
5.4. New registry of PDV types . . . . . . . . . . . . . . . . 12
6. Security Considerations . . . . . . . . . . . . . . . . . . . 14
7. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.1. Normative References . . . . . . . . . . . . . . . . . . . 15
7.2. Informative References . . . . . . . . . . . . . . . . . . 15
Appendix A. Change Log . . . . . . . . . . . . . . . . . . . . . 16
A.1. draft-ietf-xrblock-rtcp-xr-pdv-03 . . . . . . . . . . . . 16
A.2. draft-ietf-xrblock-rtcp-xr-pdv-02 . . . . . . . . . . . . 16
A.3. draft-ietf-xrblock-rtcp-xr-pdv-01 . . . . . . . . . . . . 16
A.4. draft-ietf-xrblock-rtcp-xr-pdv-00 . . . . . . . . . . . . 16
A.5. draft-ietf-avt-rtcp-xr-pdv-03 . . . . . . . . . . . . . . 17
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 18
Hunt, et al. Expires November 29, 2012 [Page 2]
Internet-Draft RTCP XR Packet Delay Variation May 2012
1. Introduction
1.1. Packet Delay Variation Metrics 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 provides information on Packet Delay Variation
using one of several standard metrics.
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