draft-ietf-xrblock-rtcp-xr-decodability-01.txt   draft-ietf-xrblock-rtcp-xr-decodability-02.txt 
Network Working Group R. Huang Network Working Group R. Huang
Internet-Draft Q. Wu Internet-Draft Q. Wu
Intended status: Standards Track Huawei Intended status: Standards Track Huawei
Expires: April 21, 2013 H. Asaeda Expires: April 25, 2013 H. Asaeda
NICT NICT
G. Zorn, Ed. G. Zorn, Ed.
Network Zen Network Zen
October 18, 2012 October 22, 2012
RTP Control Protocol (RTCP) Extended Report (XR) Block for TS RTP Control Protocol (RTCP) Extended Report (XR) Block for TS
Decodability Statistics Metric reporting Decodability Statistics Metric reporting
draft-ietf-xrblock-rtcp-xr-decodability-01 draft-ietf-xrblock-rtcp-xr-decodability-02
Abstract Abstract
Transport Stream (TS) is a standard container format used in the Transport Stream (TS) is a standard container format used in the
transmission and storage of multimedia data. Unicast/Multicast/ transmission and storage of multimedia data. Unicast/Multicast/
Broadcast MPEG-TS over RTP is widely deployed in IPTV systems. This Broadcast MPEG-TS over RTP is widely deployed in IPTV systems. This
document defines an RTP Control Protocol (RTCP) Extended Report (XR) document defines an RTP Control Protocol (RTCP) Extended Report (XR)
Block that allows the reporting of decodability statistics metrics Block that allows the reporting of decodability statistics metrics
related to transmissions of MPEG-TS over RTP. related to transmissions of MPEG-TS over RTP.
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on April 21, 2013. This Internet-Draft will expire on April 25, 2013.
Copyright Notice Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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indicators defined by ETSI [ETSI] and defines a new block type to indicators defined by ETSI [ETSI] and defines a new block type to
augment those defined in Freidman, et al. [RFC3611] for use with augment those defined in Freidman, et al. [RFC3611] for use with
Transport Stream (TS) [ISO-IEC.13818-1.2007]. The new block type Transport Stream (TS) [ISO-IEC.13818-1.2007]. The new block type
supports reporting of the number of occurances of each indicator in supports reporting of the number of occurances of each indicator in
the first and second priorities; third priority indicators are not the first and second priorities; third priority indicators are not
supported. This new block type can be useful for measuring content supported. This new block type can be useful for measuring content
stream or TS quality by checking TS header information [ETSI] and stream or TS quality by checking TS header information [ETSI] and
identifying the existence, and characterizing the severity, of identifying the existence, and characterizing the severity, of
bitstream packetization problems which may affect users' perception bitstream packetization problems which may affect users' perception
of a service delivered over RTP; it may also be useful for verifying of a service delivered over RTP; it may also be useful for verifying
the continued correct operation of an existing management system. the continued correct operation of an existing system management
tool.
The new report block is in compliance with the monitoring The new report block is in compliance with the monitoring
architecture specified in Wu, et al. [MONARCH] and the Performance architecture specified in Wu, et al. [MONARCH] and the Performance
Metrics Framework [RFC6390]. The metric is applicable to any type of Metrics Framework [RFC6390]. The metric is applicable to any type of
RTP application that uses the TS standard format for multimedia data; RTP application that uses the TS standard format for multimedia data;
for example, MPEG4 TS content over RTP. for example, MPEG4 TS content over RTP.
2. Terminology 2. Terminology
2.1. Standards Language 2.1. Standards Language
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