IPTV has uniquefeatures in addition to simply broadcasting ordi-nary TV programs over the Internet.

IPTV uses IP protocol todeliver multicasting TV, VoD, triple play, VoIP,and so on, to consumers via broadband connec-tions, with a QoS guarantee. To bring IPTV to reality requires changes inphysical infrastructure. In contrast to video over the public Internet, with Internet Protocol Television deployment network security and performance are tightly managed to ensure a superior entertainment experience and resulting in a compelling business environment for content providers, customers and advertisers alike. These services are delivered across packet switched network that employs the Internet protocol to transport the audio, video and control signals by uniquely identifying the IP address of all other components on the Internet. This may include the Live TV, Video on Demand (VoD) and Interactive TV. It is a secure and reliable delivery to subscribers of entertainment audio, video and other related services. Example the Internet and broadband Internet access network instead of being delivered through traditional radio frequency broadcast, satellite signal and Cable Television (CATV) formats. It is a system, through which Internet television services are delivered using the architecture and networking methods of the Internet Protocol suite over a packet-switched network infrastructure. It is used to deliver TV service through IP (Internet Protocol). Internet Protocol Television (IPTV) is a recent and still evolving technology.

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