IP-TV Systems

Internet Protocol television (IPTV) is a system through which digital television service is delivered using the
architecture and networking methods of the Internet Protocol Suite over a packet-switched network
infrastructure, e.g., the Internet and broadband Internet access networks, instead of being delivered through
traditional radio frequency broadcast, satellite signal, and cable television (CATV) formats. IPTV services may
be classified into three main groups: live television, time-shifted programming, and content (or video) on
demand. It is distinguished from general Internet-based or web-based multimedia services by its on-going
standardization process and preferential deployment scenarios in subscriber-based telecommunications
networks with high-speed access channels into end-user premises via setup boxes or other customer-premises