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Issue No.06 - November/December (2005 vol.9)
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
Thomas M. Chen, Varadharajan Venkataramanan, "Dempster-Shafer Theory for Intrusion Detection in Ad Hoc Networks", IEEE Internet Computing, vol.9, no. 6, pp. 35-41, November/December 2005, doi:10.1109/MIC.2005.123
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