Abstract: “Green networking is an important concern that currently acquires the attention in research. This paper explains an Energy aware cross layer optimization technique for Delay Tolerant Mobile Ad hoc Networks. Information sharing between Network Layer and Medium Access Control Layer has been utilized as an element to achieve the goal. Appropriate node selection strategy for data forwarding in Network Layer and minimizing idle listening by scanning the vicinity and discovering the knowledge of number of neighboring nodes in MAC Layer are the major factors considered for energy minimization. Energy Sensitive Routing Protocol (ESRP) minimizes ineffective energy utilization and Neighbor Table Responsive Asynchronous (NTRA) Energy Management MAC Protocol minimizes number of wake up slots based on the network status without losing network connectivity. Performance of the suggested cross layer approach is studied using NS-3 Simulator and observed that it outperforms the existing energy efficient”

Keywords: Cross Layer Optimization, Delay Tolerant Network, Mobile Ad Hoc Network, Data Delivery Predictability, Energy Efficiency, Idle Listening, Network Layer, Network Lifetime, MAC Layer.