RTP Control Protocol(RTCP) Extended Report (XR) Block for Burst/Gap Discard metric Reporting
draft-ietf-xrblock-rtcp-xr-burst-gap-discard-08
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Audio/Video Transport Working Group A. Clark
Internet-Draft Telchemy
Intended status: Standards Track R. Huang
Expires: June 8, 2013 Q. Wu, Ed.
Huawei
December 5, 2012
RTP Control Protocol(RTCP) Extended Report (XR) Block for Burst/Gap
Discard metric Reporting
draft-ietf-xrblock-rtcp-xr-burst-gap-discard-08.txt
Abstract
This document defines an RTP Control Protocol(RTCP) Extended Report
(XR) Block that allows the reporting of Burst and Gap Discard metrics
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
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material or to cite them other than as "work in progress."
This Internet-Draft will expire on June 8, 2013.
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
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include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
Clark, et al. Expires June 8, 2013 [Page 1]
Internet-Draft RTCP XR Burst/Gap Discard December 2012
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 Discard Report Block . . 6
3.3. Derived metrics based on reported metrics . . . . . . . . 8
4. Considerations for Voice-over-IP applications . . . . . . . . 9
5. SDP Signaling . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1. SDP rtcp-xr-attrib Attribute Extension . . . . . . . . . . 10
5.2. Offer/Answer Usage . . . . . . . . . . . . . . . . . . . . 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. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 14
10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
10.1. Normative References . . . . . . . . . . . . . . . . . . . 15
10.2. Informative References . . . . . . . . . . . . . . . . . . 15
Appendix A. Change Log . . . . . . . . . . . . . . . . . . . . . 16
A.1. draft-ietf-xrblock-rtcp-xr-burst-gap-discard-08 . . . . . 16
A.2. draft-ietf-xrblock-rtcp-xr-burst-gap-discard-06 . . . . . 16
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 17
Clark, et al. Expires June 8, 2013 [Page 2]
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1. Introduction
1.1. Burst and Gap Discard Report Block
This document defines a new block type to augment those defined in
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