A Unicast-Based IPTV Service Control

This paper presents multicast problems for the Internet Protocol Multimedia Subsystem (IMS) based on the Internet Protocol Television (IPTV) and offers one approach to overcoming them. Presented and addressed are multicast advantages and problems, problems of applying multicast on IMS and bandwidth problem for unicast. At the end, it is safe to conclude that unicast appears to be more appropriate for the IMS-based IPTV.