Performance Evaluation of Multicast Transmission on MPLS Network Using PIM SM

Abstract: Internet has changed our lives. The multitude of applications that Internet offers demand better network resource utilizations. This paper aims to evaluate the performance of Protocol Independent Sparse Mode (PIM-SM) multicasting protocol over Multi-Protocol Label Switching (MPLS).MPLS is now the De-facto standard for many carrier and service provider networks. MPLS is a simple and flexible solution for multiservice networks. Labels used in MPLS network for forwarding and routing packets provide indices to the routing tables enhancing the speed requirements. Hierarchical Virtual channeling imparts scalability to the MPLS networks. MPLS and Multicasting are two complementary technologies. Merging of these two technologies put forwards an efficient networking scenario that delivers solution to scalability and control overhead problems. MPLS supports multicasting. This paper details the classical features of PIM-SM signaling over MPLS. The simulator used for performance evaluation is NS2.NS2 simulations presents a clear picture of the efficiency of presented protocol in terms of throughput and the control overhead.

Keywords: MPLS, routing protocol, PIM,PIM-SM ,Multicasting ,FEC,LABEL,LSR,LSP,LER,ILM,NHFE,MRIB,RPT,SPT,DR