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  ITU-T A.5 justification information for referenced document ETSI TS 102 472 V1.3.1 (2009-06) in draft H.740
1. Clear description of the referenced document:
Name: ETSI TS 102 472 V1.3.1 (2009-06)
Title: Digital Video Broadcasting (DVB); IP Datacast over DVB-H: Content Delivery Protocols
2. Status of approval:
The referenced integrated version of the ETSI TS 102 472 standard was approved in 2009.
3. Justification for the specific reference:
Metadata and application data used in IPTV services are encoded according to this standard (i.e.ZLIB including GZIP format). This standard is deployed in many IP network services.
4. Current information, if any, about IPR issues:
Some information may be available in the ETSI IPR archives at (http://webapp.etsi.org/IPR/home.asp).
5. Other useful information describing the "Quality" of the document:
This standard defines a set of Content Delivery Protocols for streaming and file delivery services to be used with IP Datacast over DVB-H and those protocols and services are widely applied to digital TV broadcasting and implemented in a number of devices.
6. The degree of stability or maturity of the document:
The referenced standard has completed the rigorous and comprehensive review and approval process of the ETSI standards development committee. The first version of ETSI TS 102 472 standard (V1.1.1) was approved and published in Jun. 2006. This version (V1.3.1) including the referenced text was approved and published in July 2009.
7. Relationship with other existing or emerging documents:
The referenced standard has completed the rigorous and comprehensive review and approval process of the ETSI standards development committee. The first version of ETSI TS 102 472 standard (V1.1.1) was approved and published in Jun. 2006. This version (V1.2.1) including the referenced text was approved and published in July 2009.
8. Any explicit references within that referenced document should also be listed:
[1] ETSI TS 126 346: "Universal Mobile Telecommunications System (UMTS); Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs (3GPP TS 26.346 version 8.1.0 Release 8)"./
[2] IETF RFC 3926: "FLUTE - File Delivery over Unidirectional Transport"./
[3] IETF RFC 3550: "RTP: A Transport Protocol for Real-Time Applications"./
[4] IETF RFC 4566: "SDP: Session Description Protocol"./
[5] IETF RFC 3890: "A Transport Independent Bandwidth Modifier for the Session Description Protocol (SDP)"./
[6] IETF RFC 3556: "Session Description Protocol (SDP) Bandwidth Modifiers for RTP Control Protocol (RTCP) Bandwidth"./
[7] ETSI EN 301 192: "Digital Video Broadcasting (DVB); DVB specification for data broadcasting"./
[8] IETF RFC 3450: "Asynchronous Layered Coding (ALC) Protocol Instantiation"./
[9] IETF RFC 3451: "Layered Coding Transport (LCT) Building Block"./
[10] IETF RFC 5052: "Forward Error Correction (FEC) Building Block"./
[11] IETF RFC 1952: "GZIP file format specification version 4.3"./
[12] IETF RFC 4646: "Tags for the identification of languages"./
[13] IETF RFC 3695: "Compact Forward Error Correction (FEC) Schemes"./
[14] IETF RFC 2616: "Hypertext Transfer Protocol - HTTP/1.1"./
[15] ETSI TS 126 245 (V6.1.0): "Universal Mobile Telecommunications System (UMTS); Transparent end-to-end Packet switched Streaming Service (PS); Timed text format (3GPP TS 26.245 version 6.1.0 Release 6)"./
[16] IETF RFC 4396: "RTP Payload Format for 3GPP Timed Text"./
[17] The Unicode Consortium: "The Unicode Standard", Version 3.0 Reading, MA, Addison Wesley Developers Press, 2000, ISBN 0-201-61633-5./
[18] IETF RFC 3629: "UTF-8, a transformation of ISO 10646"./
[19] ETSI EN 300 743: "Digital Video Broadcasting (DVB); Subtitling systems"./
[20] EACEM E-Book (TR-030)./
[21] IETF RFC 2250: "RTP Playload Format for MPEG1/MPEG2 Video"./
[22] IETF RFC 4574: "The Session Description Protocol (SDP) Label Attribute"./
[23] ETSI TS 126 234: "Universal Mobile Telecommunications System (UMTS); LTE; Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs (3GPP TS 26.234 version 8.1.0 Release 8)"./
[24] IETF RFC 4570: "Session Description Protocol (SDP) Source Filters"./
[25] IETF RFC 5053: "Raptor Forward Error Correction Scheme for Object Delivery".
9. Qualification of ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
None.
Note: This form is based on Recommendation ITU-T A.5