Model for Trust Propagation in VANETs

A scheme to enhance trust propagation in vehicular Ad hoc networks(VANETs) is proposed.By introducing the concept of attribute similarity,the trust routing is achieved to find some potential friendly nodes among strangers.Based on similarity degree,a new forwarding behavior is put forward.Also the recommendatory methods to calculate the similarity degree of attribute are given.Simulation results show the proposed trust propagation scheme is precise.