ITU-T A.5 reference justification

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ITU-T A.5 justification information for referenced document ETSI TS 102 471 V1.4.1 (2010-03) in draft H.752

Clear description of the referenced document:

Name:	ETSI TS 102 471 V1.4.1 (2010-03)
Title:	Digital Video Broadcasting (DVB); IP Datacast over DVB-H: Electronic Service Guide (ESG)

Status of approval:

The referenced integrated version of the ETSI TS 102 471 standard was approved in 2010.

Justification for the specific reference:

ETSI TS 102 471 deals with the definition of the interchange data format for the delivery of metadata and content referencing information from different data sources for digital TV broadcasting. The related material data format is used and referred in H.752 (ex H.IPTV-CPI).

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).

Other useful information describing the "Quality" of the document:

Datamodel, the representation format, the encapsulation and the transport of Electric Service Guide for DVB-H described in ETSI TS 102 471 are widely applied definitions for digital TV broadcasting and implemented in a number of devices.

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 102 471 standard (V1.1.1) was approved and published in Apr. 2006. This second version of ETSI TS 102 471 (V1.2.1) was approved and published in Nov. 2006. The third version of ETSI TS 102 471 standard (V1.3.1) was approved and published in Apr. 2009.This version (V1.4.1) including the referenced text was approved and published in Mar. 2010.

Relationship with other existing or emerging documents:

Any explicit references within that referenced document should also be listed:

[1] ETSI EN 302 304: "Digital Video Broadcasting (DVB); Transmission System for Handheld/
Terminals (DVB-H)"./
[2] IETF RFC 2046: "Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types"./
[3] ISO/IEC 15938-1: "Information technology - Multimedia content description interface -/
Part 1: Systems"./
[4] ISO/IEC 15938-5: "Information technology - Multimedia content description interface -/
Part 5: Multimedia description schemes"./
[5] ETSI TS 102 472: "Digital Video Broadcasting (DVB);IP Datacast over DVB-H: Content/
Delivery Protocols"./
[6] ETSI TS 102 005: "Digital Video Broadcasting (DVB); Specification for the use of Video and/
Audio Coding in DVB services delivered directly over IP protocols"./
[7] IETF RFC 1952 (1996): "GZIP file format specification Version 4.3"./
[8] ETSI TS 102 323: "Digital Video Broadcasting (DVB); Carriage and signalling of TV-Anytime/
information in DVB transport streams"./
[9] IETF RFC 3450: "Asynchronous Layered Coding (ALC) Protocol Instantiation"./
[10] IETF RFC 3926: "FLUTE - File Delivery over Unidirectional Transport"./
[11] IETF RFC 3451: "Layered Coding Transport (LCT) Building Block"./
[12] ETSI TS 102 822-3-1: "Broadcast and On-line Services: Search, select, and rightful use of content/
on personal storage systems ("TV-Anytime"); Part 3: Metadata; Sub-part 1: Phase 1 - Metadata/
schemas"./
[13] IANA: "Internet Multicast Addresses"./
NOTE: See at http://www.iana.org/assignments/multicast-addresses./
[14] IETF RFC 3629: "UTF-8, a transformation format of ISO 10646"./
[15] ETSI TS 126 346 (V6.1.0): "Universal Mobile Telecommunications System (UMTS); Multimedia/
Broadcast/Multicast Service (MBMS); Protocols and codecs (3GPP TS 26.346 Version 6.1.0/
Release 6)"./
[16] IEEE 754-1985: "Standard for Binary Floating-Point Arithmetic"./
[17] W3C Recommendation (2nd May 2001): "XML Schema"./
NOTE: See at http://www.w3.org/XML/Schema./
[18] DVB CAS System./
NOTE: See at http://www.dvb.org/products_registration/dvb_identifiers/ca_systems/./
[19] IETF RFC 2616: "Hypertext Transfer Protocol -- HTTP/1.1"./
[20] IANA: "Hypertext Transfer Protocol Parameters"./
NOTE: See at http://www.iana.org/assignments/http-parameters./
[21] ETSI TS 102 822-3-2: "Broadcast and On-line Services: Search, select, and rightful use of content/
on personal storage systems ("TV-Anytime"); Part 3: Metadata; Sub-part 2: System aspects in a/
uni-directional environment"./
[22] IANA: "Port Numbers"./
NOTE: See at http://www.iana.org/assignments/port-numbers./
[23] IANA: "Internet Protocol Version 6 Multicast Addresses"./
NOTE: See at http://www.iana.org/assignments/ipv6-multicast-addresses./
[24] ETSI TR 102 469: "Digital Video Broadcasting (DVB); IP Datacast over DVB-H: Architecture"./
[25] ETSI EN 300 468: "Digital Video Broadcasting (DVB); Specification for Service Information (SI)/
in DVB systems"./
[26] IETF RFC 2327: "SDP: Session Description Protocol"./
[27] ISO 4217: "Codes for the representation of currencies and funds"./
NOTE: See at http://www.iso.org/iso/en/prods-services/popstds/currencycodes.html./
[28] ISO/IEC 10918-1: "Information technology - Digital compression encoding of continuous-tone/
still images: Requirements and guidelines"./
NOTE: See at http://www.w3.org/Graphics/JPEG/itu-t81.pdf./
[29] JFIF: "JPEG File Interchange Format", Eric Hamilton, C-Cube Microsystems./
NOTE: See at http://www.w3.org/Graphics/JPEG/jfif3.pdf./
[30] W3C Recommendation: "PNG (Portable Network Graphics) Specification Version 1.0"./
NOTE: See at http://www.w3.org/TR/REC-png.html./
[31] GIF 89a Specification: "Graphics Interchange Format (sm)", Version 89a, (c) 1987, 1988, 1989,/
1990, Copyright CompuServe Incorporated Columbus, Ohio./
NOTE: See at http://www.w3.org/Graphics/GIF/spec-gif89a.txt./

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

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