Sunday 20 March 2011

Elements

    * TV Head-end: where live TV channels are encoded, encrypted and delivered in the form of IP multicast streams.
    * VOD platform: where on-demand video assets are stored and served when a user makes a request in the form of IP unicast stream.
    * Interactive portal: allows the user to navigate within the different IPTV services, such as the VOD catalog.
    * delivery network: the packet switched network that carries IP packets (unicast and multicast).
    * home gateway: the piece of equipment at the user's home that terminates the access link from the delivery network.
    * user's set-top box: the piece of equipment at the user's home that decodes and decrypt TV and VOD content and displays it on the TV screen.

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