Television - Declarative Data Essence - Internet Protocol Multicast Encapsulation

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Publisher: SMPTE — White Plains, NY, USA
Suite/Collection: Television
Doc Type: Standard (ST)
Pages: 1–10
Abstract: (1.1) Scope — This standard defines the encapsulation of declarative data essence using internet protocol (IP) multicast. This is done in a transport-independent manner and relies solely on standard IP multicast techniques. (1.2) Application — This standard defines the transmission of declarative content across terrestrial (over the air), cable, and satellite systems as well as over the Internet. In addition, it will also bridge between networks — for example, data on an analog terrestrial broadcast must easily bridge to a digital cable system. This design goal was achieved through the definition of a transport-independent content format and the use of IP. Since IP bindings already exist for each of these video systems, the advantages of this work may be useful. — IP multicast is the mechanism for broadcast data delivery. Content creators should assume IP addresses may be changed downstream and, therefore, should not use them in their content. The transport operator is responsible only for making sure that an IP address is valid on the physical network where they broadcast it (not for any rebroadcasting). When possible, content creators should use valid IP multicast addresses to minimize the chance of collisions. Some systems may have two-way Internet connections. Capabilities in those systems are outside the scope of this standard and are described by the appropriate Internet standards. — Transport operators should use the standard IP transmission system for the appropriate medium (IETF, ATSC, DVB, etc.). It is assumed that when the user tunes to a television channel, the receiver automatically locates and delivers IP datagrams associated with the television broadcast. The mechanism for tuning video and connecting to the appropriate data stream is implementation and delivery standard specific and is not specified in this framework.
Release Tag: 20020103-pub
Publication Date: 2002-01-03
Approval Date: 2002-01-03
DOI: 10.5594/SMPTE.ST357.2002
ISBN: 978-1-61482-497-8
Link: https://doi.org/10.5594/SMPTE.ST357.2002
Group: SMPTE 24TB Television and Broadband Media
Keyword(s): Communication, Networking and Broadcast Technologies, Interfaces, Networks, Television, Packet
ICS Codes: 33.160.01 Audio, video and audiovisual systems in general
33.170 Television and radio broadcasting
Copyright: © 2002 Society of Motion Picture and Television Engineers, Inc.

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Normative Reference(s)

ISO 11578 [Active]
IETF RFC 768 [Active*]
RFC791 — RFC 791, Internet Protocol (IP) EXTERNAL
RFC1112 — IETF RFC 1112, Host Extensions for IP Multicasting, 1989 EXTERNAL
RFC2327 — IETF RFC 2327, SDP: Session Description Protocol EXTERNAL
RFC2974 — IETF RFC 2974, Session Announcement Protocol (SAP) EXTERNAL
SMPTE ST 363:2002 [Superseded*]
SMPTE ST 364:2001 [Superseded*]

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Referenced By

SMPTE EG 39:2003 [Active, Stabilized]
SMPTE RP 220:2004 [Active, Stabilized]
SMPTE ST 361:2002 [Active, Stabilized]