Trust-based Model to Alleviate Selfish Node Attacks in MANETs

Abstract

Abstract:  MANETs are dynamic in nature. So, they are subject to several attacks. It is always essential to ensure confidentiality, availability, authenticity and reliability of the network. Conserving energy in MANETs is an uphill task. Hence, it is mandatory to design an energy-aware inter-clustering scheme that involves Residual Energy (RE) and resources. Confirming security in MANET is another challenge. In this Paper, selfish nodes are determined based on a Trust Value (TV) that involves packet forwarding behavior, resource utilization, reliability and RE. In this paper, Reliable History dependent Resource Conscious Clustered-OLSR (RHRCC-OLSR) protocol is proposed to overcome degradation of network performance owing to selfish node attacks. It is evident that the propounded protocol offers improved PDR and throughput with reduced delay, PLR, energy and routing overhead.

Index Terms: Selfish node attack, MANET, Trust, Reputation, History, OLSR