SAT: situation-aware trust architecture for vehicular networks

Authors:
Xiaoyan Hong;Dijiang Huang;Mario Gerla;Zhen Cao
Affiliations:
University of Alabama, Tuscaloosa, AL, USA;Arizona State University, Tempe, AZ, USA;University of California, Los Angeles, CA, USA;University of California, Los Angeles, CA, USA
Venue:
Proceedings of the 3rd international workshop on Mobility in the evolving internet architecture
Year:
2008

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Abstract

Establishing trust in vehicular networks is a critical but also difficult task. In this position paper, we present a new trust architecture and model - Situation-Aware Trust (SAT) - to address several important trust issues in vehicular networks that we believe are essential to overcome the weaknesses of the current vehicular network security and trust models. Our model also strengthens the tie between Internet infrastructure. The new SAT includes three main components: (a) an attribute based policy control model for highly dynamic communication environments, (b) a proactive trust model to build trust among vehicles and prevent the breakage of the existing trust, and (c) a social network based trust system to enhance trust and to allow the set up of a decentralized trust framework when the vehicular network is under infrastructure failure or under attacks.