Internet Protocol Television (IPTV)
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The new technology known as Internet Protocol Television (IPTV) is a technology that enables digital television services to be delivered to customer relying on Internet Protocol through a broadband connection (Whitney 1). Instead of being delivered through traditional television distribution technologies (terrestrial, cable, and satellite), IPTV is delivered to consumers through the same technologies used for the World Wide Web. IPTV is able to deliver both live and stored video, commonly known as video on demand (VOD). To playback IPTV, consumers need a personal computer or a set-top box connected to their television. The video content of ITP is currently in MPEG2TS format deliver with Internet Protocol Multicast, a means of sending information to different computers at the same time (Frater A2). A new format known as H.264 is being developed to replace MPEG2TS, however (Frater A2). In IPTV standards-based systems, the typical protocol used for IPTV is IGMP version to for channel change signaling with live television and RTSP for VOD. While conventional television technologies like terrestrial and satellite cannot deliver IPTV, cable television can be upgraded to two-way capability so that it can offer IPTV.IPTV is an emerging technology that in future will be developed to enable a totally interactive experience. There are a number of advantages to IPTV compared to traditional delivery of digital television services. IPTV is capable to two-w
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roadband. Widely in use in Europe, where 658,000 viewers now subscribe to IPTV, stumbling blocks remain (Turner 10). One of these is the fact that DSL has not yet acquired plug-and-play technology. Other problems add to the seamless delivery of IPTV services. In Europe, one of the biggest challenges is the inferior condition of the copper access network and inaccurate inventory records (Wieland 27). According to Wieland (27), ôAbout 50 per cent of copper pairs in a cable bundle are prone to cross-talk and the copper tails are generally not short enough to deliver the higher data speeds [10Mbps] over DSL to deliver triple play.ö In the U.S., Microsoft, who has been trying to get into the television delivery service for over a decade, is also being challenged by the enormous amount of servers required to create a reliable delivery network.
There are also some security and service issues associated with IPTV. Data record inaccuracy is one major security issue. When provides earmark a copper pair for triple-play for one consumer, they could, without being aware of it, ôtake out the phone service of another subscriber due to the lack of relevant information on the networkö (Wieland 28). Content security is another security issu
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Approximate Word count = 1235
Approximate Pages = 5 (250 words per page)
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