Communication in MANET is done through a wireless medium based on node movement and topological structure changes. To maintain the topology structure occurring dynamical on node movement is a challenging aspect of research for a longer duration of time as while as short duration is the main issue. Further, reliability of energy constrains and shortest path creation is also a challenging factor in finding the node reliability. Many works have been done early based on reliability of nodes in communicating the data from source to destination in MANET, but the works done earlier lacks with the quality and reliability based on node efficiency, route discovery and energy constraints. To provide reliability and quality of service in MANET, we divide our approach into two categories. First develop a reliable extended RA-ADODV and second extend ERA-AODV for generating dynamic routing based on energy consumption of route between the nodes in terms of route discovery and locations of nodes. At first we propose an extended RA-AODV based on reliability measure in terms of bandwidth, mobility, end to end delay in terms of nodes and its intermediate nodes. Second ERA-AODV build a route discovery based on reduced energy consumption between nodes for better transmission of packets. The proposed algorithms are evaluated for performance measure including throughput, packet delivery ration and End to End delay. Implementation is done in NS-2, where our proposed works out performs better compared to the existing schemes.

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