This diagram
shows that a TV app program is loaded which displays a real estate agents
offer to provide a buyer?s tip sheet is activated when a viewer selects a real
estate TV program. When the viewer presses the «Select» button on their
remote control, they will be given the option to receive the tips by email or
by mail.
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Internet protocol television (IPTV) is the process of providing television
(video and/or audio) services through the use Internet protocol (IP) networks. IPTV networks initiate, process, and receive voice or multimedia
communications using IP protocol. These IP systems may be public IP systems (e.g. the Internet), private data systems (e.g. telephone system DSL
network), or a hybrid of public and private systems.
Switched video service (SVS) is the process that can dynamically setup (on
demand) video signal connections between two or more points. SVS services
can range from the setup of data connections that allow video transfer to the
organization and management of video content and the delivery of video programs.
Internet protocol data networks use address and control information in each
packet to direct (forward) packets towards their destination in the network.
Each IP packet header contains addressing information (source and destination address) and basic control information (such as time to live).
Additional headers (such as a TCP header) contain control or additional
routing information (such as a port number) related to a specific application
for which the packet is related to. The data portion of the datagram has a
variable length.
Data multicasting is the process of transmitting a single stream of packets