draft-ietf-xrblock-rtcp-xr-decodability-03.txt   draft-ietf-xrblock-rtcp-xr-decodability-04.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: June 20, 2013 H. Asaeda Expires: June 21, 2013 H. Asaeda
NICT NICT
G. Zorn, Ed. G. Zorn, Ed.
Network Zen Network Zen
December 17, 2012 December 18, 2012
RTP Control Protocol (RTCP) Extended Report (XR) Block for MPEG RTP Control Protocol (RTCP) Extended Report (XR) Block for MPEG
Transport Stream Decodability Statistics Metric reporting Transport Stream Decodability Statistics Metric reporting
draft-ietf-xrblock-rtcp-xr-decodability-03 draft-ietf-xrblock-rtcp-xr-decodability-04
Abstract Abstract
An MPEG Transport Stream (TS) is a standard container format used in An MPEG Transport Stream (TS) is a standard container format used in
the transmission and storage of multimedia data. Unicast/Multicast/ the 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 MPEG Transport Stream decodability Block that allows the reporting of MPEG Transport Stream decodability
statistics metrics related to transmissions of MPEG-TS over RTP. statistics metrics related to transmissions of MPEG-TS over RTP.
skipping to change at page 1, line 40 skipping to change at page 1, line 40
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 June 20, 2013. This Internet-Draft will expire on June 21, 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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As defined in Section 4.1 of RFC 3611. As defined in Section 4.1 of RFC 3611.
Number of TSs: 32 bits Number of TSs: 32 bits
Number of TS in the above sequence number interval. Number of TS in the above sequence number interval.
TS_sync_loss_count: 32 bits TS_sync_loss_count: 32 bits
Number of TS_sync_loss errors in the above sequence number Number of TS_sync_loss errors in the above sequence number
interval. It is calculated based on the occurrence of errors for interval. It is calculated based on the occurrence of errors for
"TS_sync_loss"parameter defined in the table 5.2.1 of ETSI TR 101 "TS_sync_loss"parameter defined in the section 5.2.1 of ETSI TR
290 (See section 5.5.1 of ETSI TR 101 290). 101 290 (See section 5.5.1 of ETSI TR 101 290).
Sync_byte_error_count: 32 bits Sync_byte_error_count: 32 bits
Number of sync_byte_errors in the above sequence number interval. Number of sync_byte_errors in the above sequence number interval.
It is calculated in the same way as TS_sync_loss_count, i.e.,based It is calculated in the same way as TS_sync_loss_count, i.e.,based
on the occurrence of errors for "Sync_byte_error"parameter defined on the occurrence of errors for "Sync_byte_error"parameter defined
in the table 5.2.1 of ETSI TR 101 290. in the section 5.2.1 of ETSI TR 101 290.
Continuity_count_error_count: 32 bits Continuity_count_error_count: 32 bits
Number of Continuity_count_errors in the above sequence number Number of Continuity_count_errors in the above sequence number
interval. Simiarly, it is calculated based on the occurrence of interval. Simiarly, it is calculated based on the occurrence of
errors for "Continuity_count_error"parameter defined in the table errors for "Continuity_count_error"parameter defined in the
5.2.1 of ETSI TR 101 290. section 5.2.1 of ETSI TR 101 290.
Transport_error_count: 32 bits Transport_error_count: 32 bits
Number of Transport_errors in the above sequence number interval. Number of Transport_errors in the above sequence number interval.
Simiarly, it is calculated based on the occurrence of errors for Simiarly, it is calculated based on the occurrence of errors for
"Transport_error" parameter defined in the table 5.2.2 of ETSI TR "Transport_error" parameter defined in the section 5.2.2 of ETSI
101 290. TR 101 290.
PCR_error_count: 32 bits PCR_error_count: 32 bits
Number of PCR_errors in the above sequence number interval. Number of PCR_errors in the above sequence number interval.
Simiarly, it is calculated based on the occurrence of errors for Simiarly, it is calculated based on the occurrence of errors for
"PCR_error"parameter defined in the table 5.2.2 of ETSI TR 101 "PCR_error"parameter defined in the section 5.2.2 of ETSI TR 101
290. 290.
PCR_repetition_error_count: 32 bits PCR_repetition_error_count: 32 bits
Number of PCR_repetition_errors in the above sequence number Number of PCR_repetition_errors in the above sequence number
interval. Simiarly, it is calculated based on the occurrence of interval. Simiarly, it is calculated based on the occurrence of
errors for "PCR_repetition_error"parameter defined in the table errors for "PCR_repetition_error"parameter defined in the section
5.2.2 of ETSI TR 101 290. 5.2.2 of ETSI TR 101 290.
PCR_discontinuity_indicator_error_count: 32 bits PCR_discontinuity_indicator_error_count: 32 bits
Number of PCR_discontinuity_indicator_errors in the above sequence Number of PCR_discontinuity_indicator_errors in the above sequence
number interval. Simiarly, it is calculated based on the number interval. Simiarly, it is calculated based on the
occurrence of errors for occurrence of errors for
"PCR_discontinuity_indicator_error"parameter defined in the table "PCR_discontinuity_indicator_error"parameter defined in the
5.2.2 of ETSI TR 101 290. section 5.2.2 of ETSI TR 101 290.
PTS_error_count: 32 bits PTS_error_count: 32 bits
Number of PTS_errors in the above sequence number interval. Number of PTS_errors in the above sequence number interval.
Simiarly, it is calculated based on the occurrence of errors for Simiarly, it is calculated based on the occurrence of errors for
"PTS_error"parameter defined in the table 5.2.2 of ETSI TR 101 "PTS_error"parameter defined in the section 5.2.2 of ETSI TR 101
290. 290.
4. SDP Signaling 4. SDP Signaling
RFC 3611 defines the use of SDP (Session Description Protocol) RFC 3611 defines the use of SDP (Session Description Protocol)
[RFC4566] for signaling the use of RTCP XR blocks. XR blocks MAY be [RFC4566] for signaling the use of RTCP XR blocks. However XR blocks
used without prior signaling. MAY be used without prior signaling (See section 5 of RFC3611).
4.1. SDP rtcp-xr-attrib Atrribute Extension 4.1. SDP rtcp-xr-attrib Atrribute Extension
This session augments the SDP attribute "rtcp-xr" defined in Section This session augments the SDP attribute "rtcp-xr" defined in Section
5.1 of RFC 3611 by providing an additional value of "xr-format" to 5.1 of RFC 3611 by providing an additional value of "xr-format" to
signal the use of the report block defined in this document. signal the use of the report block defined in this document.
xr-format =/ ts-decodability-metrics xr-format =/ ts-decodability-metrics
ts-decodability-metrics = "ts-decodability-metrics" ts-decodability-metrics = "ts-decodability-metrics"
4.2. Offer/Answer Usage 4.2. Offer/Answer Usage
When SDP is used in offer-answer context, the SDP Offer/Answer usage When SDP is used in offer-answer context, the SDP Offer/Answer usage
defined in [RFC3611] for unilateral "rtcp-xr" attribute parameters defined in [RFC3611] for unilateral "rtcp-xr" attribute parameters
applies. For detailed usage in Offer/Answer for unilateral applies. For detailed usage of Offer/Answer for unilateral
parameter, refer to section 5.2 of [RFC3611]. parameter, refer to section 5.2 of [RFC3611].
5. IANA Considerations 5. IANA Considerations
New report block types for RTCP XR are subject to IANA registration. New report block types for RTCP XR are subject to IANA registration.
For general guidelines on IANA allocations for RTCP XR, refer to For general guidelines on IANA allocations for RTCP XR, refer to
Section 6.2 ofRFC 3611. Section 6.2 ofRFC 3611.
This document assigns one new block type value in the RTCP XR Block This document assigns one new block type value in the "RTP Control
Type Registry: Protocol Extended Reports (RTCP XR) Block Type Registry " Registry:
Name: TSDM Name: TSDM
Long Name: TR 101 290 MPEG Transport Stream Decodability Metrics Long Name: TR 101 290 MPEG Transport Stream Decodability Metrics
Value <TSDM> Value <TSDM>
Reference: Section 3 Reference: Section 3
This document also registers one SDP [RFC4566] parameters for the This document also registers one SDP [RFC4566] parameters for the
"rtcp-xr" attribute in the RTCP XR SDP Parameter Registry: "rtcp-xr" attribute in the "RTP Control Protocol Extended Reports
(RTCP XR) Session Description Protocol (SDP) Parameters Registry":
* "ts-decodability-metrics" * "ts-decodability-metrics"
The contact information for the registrations is: The contact information for the registrations is:
Qin Wu Qin Wu
sunseawq@huawei.com sunseawq@huawei.com
101 Software Avenue, Yuhua District 101 Software Avenue, Yuhua District
Nanjing, JiangSu 210012 China Nanjing, JiangSu 210012 China
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