MANET became the focus of researchers as a promising technology for a broad range of applications due to their selforganizing, self-configuring capability in different mobile network scenarios. One significant area of research within ad hoc networks is energy consumption issue. The primary goal of ad hoc networks is to call for the energy-constrained protocols. Energy consumption evaluation methodology is introduced for the protocol consideration in different mobile network. AODV routing protocol performs well on assessment of energy consumption for the mobile ad hoc network with high node mobility. Nodes in MANET networks are basically battery operated, and thus have access to a limited amount of energy. This process proposes an Energy based Ad-Hoc on-Demand Routing algorithm that balances energy among nodes so that a minimum energy level is maintained among nodes and the lifetime of network is increased. This paper, focused on increasing the prolonged existence of node in the network. In this proposed work, one set the minimum energy threshold limit of a mobile node, when a node reach the minimum threshold limit the node goes to sleep mode, save energy and participate in the event as long as possible. The research papers are published to improve the network lifetime on the network layer. The construct of network scenarios and performance analysis is done on NS-2.34 to simulate both the AODV and AODVSleep under the similar scenario. This paper also compares and analyzes the simulation results with a popular on-demand routing protocol AODV to show the usefulness of this algorithm. From this simulation one finds that the overall MANET's efficiency is enhanced.

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Mobile ad hoc networks consist of mobile wireless devices which autonomously organize their infrastructure. Its performance depends on the value of different parameters, like number of nodes and mobile connections. Multi-path routing allows building and use of multiple paths for routing between a source-destination pair. It exploits the resource redundancy and diversity in the underlying network to provide benefits such as fault tolerance, load balancing, bandwidth aggregation, and improvement in QoS metrics such as delay. In this proposed work is converting Dynamic Source Routing Single path Protocol into Multi-path Routing with concept of Load balancing. The source node maintains up to 5 paths in its ROUTE CAHCE which it receives as a result of Route Discovery process and Target node will receive RREQ packets and send RREP packets for first 5 requests received. Currently it is replying only first RREQ packet received and rejects the remaining. Hence its can improve the DSR performance.

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