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Enhanced QoS Multicast Routing Protocol in MANETs using Trust and Load Balance

Mobile ad-hoc network (MANET) is a wireless networks without fixed infrastructure, where each node can interact with its one hop distance neighbors only. Since the nodes are continuously moving from one location to another location, the network topology is not constant. Provisioning of Quality of Service (QoS) in MANETs is a challenging task because of its unstable nature. In multicast routing protocol, a sender node is sending the data to the group of members (multiple destination nodes), where the intermediate nodes resources are consumed at higher rate. In this paper, utilization of node resources (QoS parameters) is minimized by considering node attitude (trust) and load balancing. Here node energy and link bandwidth are considered as the QoS parameters. The proposed method "Enhanced QoS Multicast Routing Protocol in MANETs Using Trust and Load Balance-QMTL" identifies the intermediate nodes with higher trust values and constructs the multicast tree with optimized load balance. The performance of proposed method is analyzed theoretically (using asymptotic notations) and practically (using simulation tool-ns2)..