RTP Control Protocol (RTCP) Extended Report (XR) Block for MPEG-2 Transport Stream (TS) Program Specific Information (PSI) Independent Decodability Statistics Metrics Reporting
RFC 6990
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RFC - Proposed Standard
(August 2013; No errata)
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2015-10-14
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RFC 6990 (Proposed Standard)
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Gonzalo Camarillo
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RFC-Ed-Ack
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Internet Engineering Task Force (IETF) R. Huang
Request for Comments: 6990 Q. Wu
Category: Standards Track Huawei
ISSN: 2070-1721 H. Asaeda
NICT
G. Zorn
Network Zen
August 2013
RTP Control Protocol (RTCP) Extended Report (XR) Block for MPEG-2
Transport Stream (TS) Program Specific Information (PSI) Independent
Decodability Statistics Metrics Reporting
Abstract
An MPEG-2 Transport Stream (TS) is a standard container format used
in the transmission and storage of multimedia data. Unicast/
multicast MPEG-2 TS over RTP is widely deployed in IPTV systems.
This document defines an RTP Control Protocol (RTCP) Extended Report
(XR) block that allows the reporting of MPEG-2 TS decodability
statistics metrics related to transmissions of MPEG-2 TS over RTP.
The metrics specified in the RTCP XR block are not dependent on
Program Specific Information (PSI) carried in MPEG-2 TS.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6990.
Huang, et al. Standards Track [Page 1]
RFC 6990 RTCP XR TS Decodability August 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
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. MPEG-2 Transport Stream Decodability Metrics . . . . . . 3
1.2. RTCP and RTCP Extended Reports . . . . . . . . . . . . . 3
1.3. Performance Metrics Framework . . . . . . . . . . . . . . 3
1.4. Applicability . . . . . . . . . . . . . . . . . . . . . . 4
2. Standards Language . . . . . . . . . . . . . . . . . . . . . 4
3. MPEG-2 TS PSI-Independent Decodability Statistics Metrics
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. SDP Signaling . . . . . . . . . . . . . . . . . . . . . . . . 8
4.1. SDP rtcp-xr Attribute Extension . . . . . . . . . . . . . 8
4.2. Offer/Answer Usage . . . . . . . . . . . . . . . . . . . 8
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8
5.1. New RTCP XR Block Type Value . . . . . . . . . . . . . . 8
5.2. New RTCP XR SDP Parameter . . . . . . . . . . . . . . . . 9
5.3. Contact Information for Registrations . . . . . . . . . . 9
6. Security Considerations . . . . . . . . . . . . . . . . . . . 9
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 9
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.1. Normative References . . . . . . . . . . . . . . . . . . 9
8.2. Informative References . . . . . . . . . . . . . . . . . 10
Huang, et al. Standards Track [Page 2]
RFC 6990 RTCP XR TS Decodability August 2013
1. Introduction
1.1. MPEG-2 Transport Stream Decodability Metrics
The European Telecommunications Standards Institute (ETSI) has
defined a set of syntax and information consistency tests and
corresponding indicators [ETSI] that are recommended for the
monitoring of MPEG-2 Transport Streams [ISO-IEC.13818-1.2013]. The
tests and corresponding indicators are grouped according to priority:
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