On trust models and trust evaluation metrics for ad hoc networks Export

@article{citeulike:1957622, abstract = {Within the realm of network security, we interpret the concept of trust as a relation among entities that participate in various protocols. Trust relations are based on evidence created by the previous interactions of entities within a protocol. In this work, we are focusing on the evaluation of trust evidence in ad hoc networks. Because of the dynamic nature of ad hoc networks, trust evidence may be uncertain and incomplete. Also, no preestablished infrastructure can be assumed. The evaluation process is modeled as a path problem on a directed graph, where nodes represent entities, and edges represent trust relations. We give intuitive requirements and discuss design issues for any trust evaluation algorithm. Using the theory of semirings, we show how two nodes can establish an indirect trust relation without previous direct interaction. We show that our semiring framework is flexible enough to express other trust models, most notably PGP's Web of Trust. Our scheme is shown to be robust in the presence of attackers.}, author = {Theodorakopoulos, G. and Baras, J. S.}, booktitle = {Selected Areas in Communications, IEEE Journal on}, citeulike-article-id = {1957622}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/JSAC.2005.861390}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1589111}, day = {06}, doi = {10.1109/JSAC.2005.861390}, journal = {Selected Areas in Communications, IEEE Journal on}, keywords = {adhoc, evaluation, metric, modeling, models, network, trust}, month = {February}, number = {2}, pages = {318--328}, posted-at = {2009-10-30 13:08:02}, priority = {2}, title = {On trust models and trust evaluation metrics for ad hoc networks}, url = {http://dx.doi.org/10.1109/JSAC.2005.861390}, volume = {24}, year = {2006} }

TY - JOUR ID - citeulike:1957622 L3 - citeulike-article-id:1957622 N2 - Within the realm of network security, we interpret the concept of trust as a relation among entities that participate in various protocols. Trust relations are based on evidence created by the previous interactions of entities within a protocol. In this work, we are focusing on the evaluation of trust evidence in ad hoc networks. Because of the dynamic nature of ad hoc networks, trust evidence may be uncertain and incomplete. Also, no preestablished infrastructure can be assumed. The evaluation process is modeled as a path problem on a directed graph, where nodes represent entities, and edges represent trust relations. We give intuitive requirements and discuss design issues for any trust evaluation algorithm. Using the theory of semirings, we show how two nodes can establish an indirect trust relation without previous direct interaction. We show that our semiring framework is flexible enough to express other trust models, most notably PGP's Web of Trust. Our scheme is shown to be robust in the presence of attackers. IS - 2 JF - Selected Areas in Communications, IEEE Journal on EP - 328 TI - On trust models and trust evaluation metrics for ad hoc networks VL - 24 T2 - Selected Areas in Communications, IEEE Journal on SP - 318 KW - adhoc KW - evaluation KW - metric KW - modeling KW - models KW - network KW - trust AU - Theodorakopoulos, G AU - Baras, JS PY - 2006/02/06/ UR - http://dx.doi.org/10.1109/JSAC.2005.861390 ER -