DefinePK

Abstract

Business and multimedia entertainment applications need sending at the same time to multiple users or specific groups. IP multicast is an efficient and scalable network layer delivering mechanism for multimedia content to a large number of receivers over the Internet. It has mechanism that offers bandwidth optimization and reductions the time required for sending data to multiple destinations. In traditional IP networks, packets are sent to single target (unicast). Currently, the demand of multimedia communication has increase in several fields; especially multimedia applications such as video and audio, distance learning and entertainment. Furthermore, Application requirements forwarding packets in the same time to multiple users or specific groups. Unicast protocol has a number of problems preventing its successful deployment of these applications. These problems contain inefficient bandwidth, high cost, congestion and more collision in the networks. Thus, Multicast protocols through IPv6 were developed to overcome these problems. There are already exist a few protocols implementing multicast transmission in real networks like PIM-SM and PIM-DM. In this paper, simulation was done using NS-2 simulator to evaluate the performance of each those protocols based on delay, jitter, packet loss and throughput with variable receivers. The paper consists of one main scenario; which involves of network topology with a few numbers of receivers with three sources, seven receivers and seventeen intermediate nodes. Simulation shows that, the PIM-SM has the better result in term of packet loss, delay, jitter and throughput. Therefore, this results show that, the PIM-SM protocols are more appropriate to be utilize in WAN environments.