Abstract
In MANET, Node misbehavior due to selfish or malicious reasons can significantly degrade the performance of ad hoc networks. To cope with misbehavior in such self-organized networks, an incentive mechanism must be in place. In this study, a trust-based incentive model on a self-policing mechanism is proposed to make collaboration rational for selfish/malicious nodes. This trust system makes them evaluate the trust of their neighbor locally to mitigate contamination by direct observation and the use of second-hand information available. In our approach, every node maintains a trust rating about every node else they care about. Meanwhile, trust fading and redemption are brought about by update and re-establishment of the trust to show robustness. Performance by simulation reveals that in the case of existing malicious nodes, Dynamic Source Routing (DSR) with proposed trust-based node incentive mechanism performs better than DSR in terms of packet successful delivery ratio and mean number of packets dropped.
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Wang, K., Wu, M. (2007). A Trust Approach for Node Cooperation in MANET. In: Zhang, H., Olariu, S., Cao, J., Johnson, D.B. (eds) Mobile Ad-Hoc and Sensor Networks. MSN 2007. Lecture Notes in Computer Science, vol 4864. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77024-4_44
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DOI: https://doi.org/10.1007/978-3-540-77024-4_44
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