A Review of Trust Management for Mobile Ad Hoc Networks

Abstract

Establishing trust in Mobile Ad hoc Networks (MANETs) is a challenging task. Trust management consists of various activities like prediction of trust, computation of trust, propagation of trust, aggregation of trust etc. Trust prediction can be done based on past behavior of node, internal parameters of the node, or it can be induction-based or neural-network based. Trust computation can be centralized or distributed. Trust propagation can be social networks based, small world phenomenon based, web of trust based, distributed hash table based. Trust aggregation can be weighted average based, probability based, sequential, conditional-sequential, parallel or subjective logic based. This work presents the review of various activities pertaining to trust management to enable researchers, academicians and practitioners to identify and address trust related issues in a better way.