Abstract
An interconnection of wireless nodes in motion is called as Mobile AdHoc Network (MANET). One of the problems facing MANET is the route failure due to dynamic movement of nodes. Route failure leads to frequent path search and extra effort for maintaining existing path. An effective routing protocol should choose an elite path for dispatching data and consume less resources. Ad-hoc On-demand Multipath Distance Vector (AOMDV) protocol can sustain more than one path between the communicating nodes and switches between them, whenever communication fails over selected path. This way, it reduces the effort of discovering new path, whenever an existing path fails. However, while choosing alternative paths the protocol only considers the hop count as a deciding factor and it does not take into consideration the energy associated with node nor the congestion along the chosen path. In this paper, we consider both residual energy and active load while selecting path for communication. Performance of both protocols are tested on NS2 simulator. It was found that, the enhancement does provide an improvement in performance than the existing protocol
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