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Implementation of E2AODV Protocol for Load Balancing In Cluster Ad-Hoc Network

A.S.Narmadha, C.Vasanthapriya, D.Sangeetha

In mobile ad hoc networks there are a number of challenges in providing quality of service routing with energy efficiency and load balancing. Most routing protocols do not consider the problem of load balance. In this paper we propose an E 2 AODV algorithm for balancing the load using ACO technique in cluster based mobile ad-hoc networks. Clustering makes possible hierarchical routing in which paths are recorded between cluster-heads Instead of nodes. This reduces routing overheads. Presence of an unstable and non-reliable cluster-head degrades the performance of the network since cluster-heads of the network take active role in routing messages between a source destination pair. The proposed algorithm chooses the most reliable and stable node as cluster-head depending on four criteria i.e. stability, battery power, degree, and trust value of the node. It also uses a multi agent based routing algorithm to generate load balanced routes between source and destination in cluster-based network. This study presents a scheme to balance the load with energy efficiency considering both congestion and the nodes energy usage. A threshold value was used to judge if intermediate node was overloaded, variable and changing along with nodes interface queue length around the backward path. E2 AODV protocol chooses an optimum path with low energy usage. It provides a better scheme to balance the load with energy efficiency and packet delivery ratio. Performance of this algorithm was compared with AODV protocol. It can be further enhanced as a secure routing protocol for mobile ad-hoc networks.