Implementation of overlay ring structure configured as a service in P2P network

Recent researches of network structure are moving to high-level networks because there are already many research results of low-level network. Especially, current network services has been changed to the multimedia service using multicast routing such as IPTV(Internet Protocol Television) service. Then the same as the existing multicast services to multiple users at once placed to transmit the purpose. But now multicast services, there are many services in one of the network.