This book presents and discusses current IPTV technology. Internet Protocol television (IPTV) is a system through which internet television services are delivered using architecture and networking methods of the Internet Protocol Suite over a packet-switched network infrastructure. IPTV services may be classified into three main groups: live television, time-shifted programming, and video on demand. Generally, IPTV works on the TV with a set-top box that accesses channels, subscription services, on demand and other interactive multimedia services over a secure, end-to-end operator managed...