信任管理论文trust-modeling-metrics-choi.pdf

Journal of Network and Computer Applications 35 (2012) 1001–1012 Contents lists available at ScienceDirect Journal of Network and Computer Applications journal homepage: /locate/jnca Modeling and analysis of trust management with trust chain optimization in mobile ad hoc networks Jin-Hee Cho a,n, Ananthram Swami a, Ing-Ray Chen b,1 a Computational Information Sciences Directorate (CISD), U.S. Army Research Laboratory (USARL), 2800 Powder Mill Rd, Adelphi, MD 20783, United States b Department of Computer Science, Virginia Polytechnic State University, 7054 Haycock Road, Falls Church, VA 22043, United States a r t i c l e i n f o a b s t r a c t Article history: We develop and analyze a trust management protocol for mission-driven group communication Received 2 August 2010 systems in mobile ad hoc networks using hierarchical modeling techniques based on stochastic Petri Received in revised form nets. Trust among mobile nodes is crucial for team collaborations with new coalition partners without 19 January 2011 prior interactions for mission-driven group communication systems in battlefield situations. In Accepted 9 March 2011 Available online 16 March 2011 addition, ensuring a certain level of trust is also critical for successful mission completion. Our work seeks to identify the optimal length of a trust chain among peers in a trust web that generates the most Keywords: accurate trust levels without revealing risk based on a tradeoff between trust availability and