Our mission is to identify and explain the
technologies and applications that allow television services to
be provided through Internet Protocol (IP) data networks.
Readers learn the options and the system to implement IPTV along
with new features and applications and business opportunities
that are available in the IPTV industry today.
The options available to cable TV systems
operators to upgrade their cable distribution systems to IPTV include
providing IPTV services over cable modems (DOCSIS), sending IPTV over a
reduced version of cable modem systems (DOCSIS Lite) or to provide IPTV
services that bypass traditional cable transport systems.
If you consider Internet TV to be an IPTV
services (such as NetFlix), there are many users that are already
receiving IPTV services over cable modems. While DOCSIS is well designed
for Internet data services, it adds a layer of complexity (and cost) when
providing switched IP video services. To overcome this challenge, some
cable systems implement IPTV services over a more basic cable data service
(DOCSIS Lite) or they bypass the DOCSIS system entirely for IPTV services.
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