GB/T 38826-2020Technical requirements for IPTV media delivery system—General requirements (English PDF)

GB/T 38826-2020 is the English-translated version of IPTV媒体交付系统技术要求 总体要求.

GB/T 38826-2020 specifies the general requirements for the IPTV media delivery system, covering the composition of the media delivery system and the functions of each of its components, the technical requirements for the media distribution and storage subsystem, the media service subsystem, the global load balancing subsystem and the operation management subsystem, the business requirements the system supports, expansion and security requirements, and external interface protocol requirements.

Clause 1 states that the standard applies to IPTV media delivery systems.

The contents list thirteen clauses, which add to the subjects named in the scope a clause on the supported media types, media formats and file formats, broken down into video encoding, audio coding and file format requirements, and a closing clause on system service quality requirements; two informative appendices follow, one with an example of the network configuration of a media delivery system and one with examples of its business processes, together with a reference list.

Clause 5 is divided into technical requirements for media management, content injection, content distribution, service routing understood as content positioning, and content storage, while clause 12 separates the protocol requirements for interfaces A and B from those for interface S. Clause 3 is split into terms and definitions and acronyms, and the definitions shown are delivery, sending content to end users; distribution, sending content to an appropriate intermediate location for subsequent delivery; request, a message identifying a specific part of the content to be delivered; media routing; and content, any form of digital data.

Clause 2 cites GB/T 38754-2020 and YD/T 1697-2007.

The foreword places the standard in a series of seven documents on the technical requirements for IPTV media delivery systems, listing GB/T 38828, GB/T 38827, GB/T 38826, GB/T 38829, GB/T 38830, GB/T 38831 and GB/T 38754, notes that some content may involve patents, and records that the standard was proposed by the Ministry of Industry and Information Technology and falls under the National Communications Standardization Technical Committee (SAC/TC485).

The draft breaks off at the start of the acronym list, so clauses 4 to 13 are known only by their titles. It was issued on 2020-06-02 and has applied since 2020-12-01.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.

GB/T 38754-2020|GB/T 38801-2020|GB/T 38827-2020|GB/T 38828-2020|GB/T 38829-2020|GB/T 38830-2020

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