A Survey of Trust Management Using Types of Uncertain Reasoning in Network Environment

Provided by: International Journal Of Engineering And Computer Science
Topic: Security
Format: PDF
A unified trust management scheme that enhances the security in MANETs using uncertain reasoning is proposed. In the proposed scheme, the trust model has two components: trust from direct observation and trust from indirect observation. With direct observation from an observer node, the trust value is derived using Bayesian inference, which is a type of uncertain reasoning when the full probability model can be defined. On the other hand, with indirect observation from neighbor nodes of the observer node, the trust value is derived using the Dempster-Shafer theory, which is another type of uncertain reasoning when the proposition of interest can be derived by an indirect method.

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