Survey of Various Trust Models and Their Behavior in Wireless Sensor Networks

Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
Topic: Security
Format: PDF
The major challenge faced by wireless sensor networks is security. Because of dynamic and collaborative nature of sensor networks the connected sensor devices makes the network unusable. To solve this issue, a trust model is required to identify malicious, selfish and compromised nodes. It supports the decision making processes in wireless sensor networks such as pre key-distribution, data aggregation, sink node selection and self reconfiguration of sensor nodes. This paper discussed the general structure, design issues, trust metrics and the corresponding attacks and defense mechanisms of trust model. It also discusses various trust models used in decision making process of wireless sensor networks.

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