Detection and Isolation of Selfish Nodes in MANET Using Collaborative Contact-Based Watchdog with Chimp-AODV

Mobile Ad-hoc Network (MANET) is one of the most important self-configuring and independent wireless network. Numerous intermediate nodes are used among MANET to interchange information without requirement any centralized infrastructure. But some act selfishly utilize resources only for their own purposes do not share with neighbors. This selfish might delay or drop packet perform routing. Though watchdog a well-known node detection technique, it causes false negatives positives that can affect performance in terms precision speed. To eliminate drawbacks existing approaches detection, this paper integrates both On-Demand Distance Vector (AODV) protocol incorporated chimp optimization algorithm Collaborative Contact based Watchdog propose novel technique called Chimp-CoCoWa-AODV order improve MANET. The main role AODV undergo optimal route selection process. proposed approach compared average routing load, Average Packet Delivery Fraction (PDF), End-to-end Delay (EED), Throughput, Total application layer, maliciously dropped layer. simulation results shows effective 82% PDF 7.4 ms EED at 50 isolation even presence malicious node.