RTSP is a must for IPTV today. It is what makes VOD (Video on Demand) work. As a protocol, RTSP is quite simple: you open an HTTP connection and send messages over it that are similar to the physical remote control for video (play, pause, etc.). But will it do? Does IPTV really sum up to a smart web VCR? I already described my future TV, which requires more than that. Can SIP, our Swiss Army Knife, take the
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By Tsahi Levent-Levi | September 25th, 2008 | Filed under IPTV, Standardization
You can’t discuss communication protocols nowadays without bringing up IMS. Although IMS started as a mobile-centric protocol, it is now all encompassing and also includes IPTV. Since both Packet Cable and TISPAN make use of IMS, IPTV also has an IMS architecture connected to it. IMS for IPTV starts simply from the fact that operators today are mostly triple-play or quad-play players: their services include telephony, television, internet browsing and mobile phones. Quad-play doesn’t mean convergence in any way -
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By Tsahi Levent-Levi | September 18th, 2008 | Filed under IPTV
