Reliable multicast in large enterprise networks

Motivation: Multicast applications such as live stream of a football match, IP-based radio stations, webcast of live sessions are ever increasing. In recent years there has been significant commercial interest in using multicast traffic from public-service broadcasters and other DSL TV providers and are expected to grow. This puts pressure on the last-mile wireless technologies such as wireless enterprise network in utilizing the bandwidth efficiently and delivering the multi-cast traffic in reliable manner. Furthermore, wireless multicast transmissions are unreliable as they do not provide any feedback from receiver and thus the onus is on the transmitter for reliable transmission.