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Issue No. 06 - November/December (2005 vol. 9)
ISSN: 1089-7801
pp: 35-41
Thomas M. Chen , Southern Methodist University
Varadharajan Venkataramanan , Southern Methodist University
Without a fixed security infrastructure, mobile ad hoc networks must distribute intrusion detection among their nodes. But even though a distributed intrusion detection system can combine data from multiple nodes to estimate the likelihood of an intrusion, the observing nodes might not be reliable. The Dempster-Shafer theory of evidence is well suited for this type of problem because it reflects uncertainty. Moreover, Dempster?s rule for combination gives a numerical procedure for fusing together multiple pieces of evidence from unreliable observers. The authors review the Dempster-Shafer theory in the context of distributed intrusion detection and demonstrate the theory?s usefulness.
intrusion detecction, security, ad hoc networks, peer to peer

T. M. Chen and V. Venkataramanan, "Dempster-Shafer Theory for Intrusion Detection in Ad Hoc Networks," in IEEE Internet Computing, vol. 9, no. , pp. 35-41, 2005.
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