Authors : Ahmed Shakir Al-Hiti, Rohaya Latip and Mohd Noor Derahman
Abstract: Business and multimedia entertainment applications require sending simultaneously to multiple users or specific groups. IP multicast is an efficient and scalable network layer delivering method for multimedia content to a large number of receivers across the Internet. It has the mechanism that offers bandwidth optimization and reduces the time required for forwarding data to multiple destinations. In traditional IP networks, packets are sent to single destination (unicast). Now a days, the demand of multimedia communication has increase in many fields; especially multimedia applications such as video conferencing (video and audio), distance learning and entertainment. Furthermore, application requires sending 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 include inefficient bandwidth, high cost, congestion and more collision in the networks. Thus, multicast protocols over 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 study, simulation was done using NS-2 simulator to evaluate the performance of each those protocols based on packet loss variable receivers. The study consists of one main scenario; that consists 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 the packet lost. Hence, this results show that, the PIM-SM protocols are more suitable to be used in WAN environments.
Ahmed Shakir Al-Hiti, Rohaya Latip and Mohd Noor Derahman, 2017. Modeling and Analysis of Multicast Protocols Over IPv6. Journal of Engineering and Applied Sciences, 12: 542-547.