What is the IPTV
Internet Protocol television (IPTV) is a system through which television
services are delivered using the Internet protocol suite over a packet-switched
network such as a LAN or the Internet, instead of being delivered through
traditional terrestrial, satellite signal, and cable television formats. Unlike
downloaded media, IPTV offers the ability to stream the media in smaller
batches, directly from the source. As a result, a client media player can begin
playing the data (such as a movie) before the entire file has been transmitted.
This is known as streaming media.
IPTV services
may be classified into three main groups:
Live
television, with or without interactivity related to the current TV show;
Time-shifted television: catch-up TV (replays a TV show that was broadcast hours or days ago), start-over TV (replays the current TV show from its beginning);
Video on demand (VOD): browse a catalog of videos, not related to TV programming.
Time-shifted television: catch-up TV (replays a TV show that was broadcast hours or days ago), start-over TV (replays the current TV show from its beginning);
Video on demand (VOD): browse a catalog of videos, not related to TV programming.
IPTV is
distinguished from Internet television by its ongoing standardization process
(e.g., European Telecommunications Standards Institute) and preferential
deployment scenarios in subscriber-based telecommunications networks with
high-speed access channels into end-user premises via set-top boxes or other
customer-premises equipment.
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