Audio/Video Transport Working Group A. Clark
Internet-Draft Telchemy
Intended status: Standards Track V. Singh
Expires: October 29, 2013 Aalto University
Q. Wu
Huawei
April 27, 2013
RTP Control Protocol (RTCP) Extended Report (XR) Block for Jitter Buffer
Metric Reporting
draft-ietf-xrblock-rtcp-xr-jb-11.txt
Abstract
This document defines an RTP Control Protocol (RTCP) Extended Report
(XR) Block that allows the reporting of Jitter Buffer metrics for a
range of RTP applications.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Jitter Buffer 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
3. Jitter Buffer Operation . . . . . . . . . . . . . . . . . . . 5
3.1. Idealized Jitter Buffer . . . . . . . . . . . . . . . . . 5
3.2. Fixed Jitter Buffer . . . . . . . . . . . . . . . . . . . 6
3.3. Adaptive Jitter Buffer . . . . . . . . . . . . . . . . . . 6
4. Jitter Buffer Metrics Block . . . . . . . . . . . . . . . . . 7
4.1. Report Block Structure . . . . . . . . . . . . . . . . . . 7
4.2. Definition of Fields in Jitter Buffer Metrics Block . . . 7
5. SDP Signaling . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1. SDP rtcp-xr-attrib Attribute Extension . . . . . . . . . . 11
5.2. Offer/Answer Usage . . . . . . . . . . . . . . . . . . . . 11
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 12
6.1. New RTCP XR Block Type value . . . . . . . . . . . . . . . 12
6.2. New RTCP XR SDP Parameter . . . . . . . . . . . . . . . . 12
6.3. Contact information for registrations . . . . . . . . . . 12
7. Security Considerations . . . . . . . . . . . . . . . . . . . 13
8. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 14
9. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 15
10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 16
10.1. Normative References . . . . . . . . . . . . . . . . . . . 16
10.2. Informative References . . . . . . . . . . . . . . . . . . 16
Appendix A. Metrics represented using RFC6390 Template . . . . . 17
Appendix B. Change Log . . . . . . . . . . . . . . . . . . . . . 20
B.1. draft-ietf-xrblock-rtcp-xr-jb-11 . . . . . . . . . . . . . 20
B.2. draft-ietf-xrblock-rtcp-xr-jb-10 . . . . . . . . . . . . . 20
B.3. draft-ietf-xrblock-rtcp-xr-jb-09 . . . . . . . . . . . . . 20
B.4. draft-ietf-xrblock-rtcp-xr-jb-08 . . . . . . . . . . . . . 20
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