Reliable neighbor based multipath multicast routing in MANETs

Abstract

In this paper, we propose a scheme for multipath multicast routing in MANETs using reliable neighbor selection (MMRNS) mechanism. MMRNS operates in following phases. (1) Computation of reliability pair factor based on node power level, received differential signal strength between the nodes and mobility, and pruning neighbor nodes that have reliability pair factor lesser than a threshold. (2) Discovery of multipath multicast mesh routes with the help of request and reply packets. (3) Multipath priority assignment based on minimum value of reliability pair factor of a path and information transfer from source to multicast destination. (4) Route maintenance against link failures. The simulation results for packet delivery ratio and control overhead demonstrate the effectiveness of MMRNS scheme. © Springer-Verlag Berlin Heidelberg 2011.