Ali Abu Romman1and Hussein
Al-Bahadili2
1King Hussein Faculty for Computing
Sciences, Princess Sumaya University for
Technology, Amman, Jordan
2Faculty of Information Technology,
University of Petra, Amman, Jordan
ABSTRACT
Mobile ad-hoc networks (MANETs) are
susceptible to attacks by malicious nodes that could easily bring down the
whole network. Therefore, it is important to have a reliable mechanism for
detecting and isolating malicious nodes before they can do any harm to the
network. One of the possible mechanisms is by using trust-based routing
protocols. One of the main requirements of such protocols is to have a
cost-effective trust determination algorithm. This paper presents the
performance analysis of a recently developed trust determination algorithm,
namely, the neighbor-weight trust determination (NWTD) algorithm. The performance
of the algorithm is evaluated through simulation using the MANET simulator
(MANSim). The simulation results demonstrated the reliability and effectiveness
of the algorithm in identifying and isolating any maliciously behaving node(s)
in a timely manner.
KEYWORDS
NWTD; trust determination;
trust-based routing protocols; malicious node; MANET; MANSim.
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