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Computers 2015, 4(2), 87-112; doi:10.3390/computers4020087

A Dynamic Reputation Management System for Mobile Ad Hoc Networks

School of Computer Science, University of Hertfordshire, College Lane, Hatfield, Hertfordshire AL10 9AB, UK
This paper is an extended version of our paper published in the 6th Computer Science and Electronic Engineering Conference (CEEC), 2014, pp. 133–138. IEEE, 2014.
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Academic Editors: Laith Al-Jobouri and Mohammed Rashid Al-Mulla
Received: 30 January 2015 / Revised: 7 April 2015 / Accepted: 14 April 2015 / Published: 17 April 2015
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Abstract

Nodes in mobile ad hoc networks (MANETs) are mandated to utilize their limited energy resources in forwarding routing control and data packets for other nodes. Since a MANET lacks a centralized administration and control, a node may decide to act selfishly, either by refusing to respond to route requests from other nodes or deceitfully by responding to some route requests, but dropping the corresponding data packets that are presented for forwarding. A significant increase in the presence of these misbehaving nodes in a MANET can subsequently degrade network performance. In this paper, we propose a dynamic reputation management system for detecting and isolating misbehaving nodes in MANETs. Our model employs a novel direct monitoring technique to evaluate the reputation of a node in the network, which ensures that nodes that expend their energy in transmitting data and routing control packets for others are allowed to carry out their network activities while the misbehaving nodes are detected and isolated from the network. Simulation results show that our model is effective at curbing and mitigating the effects of misbehaving nodes in the network. View Full-Text
Keywords: selfish nodes; deceitful nodes; direct monitoring; total reputation; reputation management; MANETs selfish nodes; deceitful nodes; direct monitoring; total reputation; reputation management; MANETs
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chiejina, E.; Xiao, H.; Christianson, B. A Dynamic Reputation Management System for Mobile Ad Hoc Networks. Computers 2015, 4, 87-112.

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