Performance Evaluation of MANET Network Parameters using AODV Protocol for HEAACK Enhancement

MANETs are Vulnerable to malicious attackers because of their open medium and wide distribution of malicious attackers. Intrusion Detection System detects and reports the malicious activity in ad hoc networks. IDSs usually act as the second layer in MANETs. A detection system called Enhanced Adaptive Acknowledgement (EAACK) specially designed for MANETs. By the accepting MRA scheme, EAACK is capable of finding malicious nodes contempt the existence of the false misbehavior report and against other popular mechanisms in different scenario through simulation. Malicious attackers to falsely report nodes as malicious can produce the false misbehavior report. EAACK is an acknowledgment-based encroachment detection system. When measured over 40 % malicious nodes the routing overhead for EAACK (DSA) is 0.58% and Packet delivery ratio is 0.92% for the same. This attack can be deadly to the entire network when the attackers break down sufficient nodes and thus cause a network division. Hybrid Enhanced Adaptive Acknowledgement (HEAACK) which is proposed system adds cryptography mechanism such as RSA and Triple DES giving a secure network and thus the rate of data manipulation and network overhead decreases. (c) 2016 The Authors. Published by Elsevier B.V.