ETRI Journal

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Cluster-Based Trust Evaluation Scheme in an Ad Hoc Network

  • Received : 2005.01.03
  • Published : 2005.08.31
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Abstract

This paper presents a new trust evaluation scheme in an ad hoc network. To overcome the limited information about unfamiliar nodes and to reduce the required memory space, we propose a cluster-based trust evaluation scheme, in which neighboring nodes form a cluster and select one node as a cluster head. The head issues a trust value certificate that can be referred to by its non-neighbor nodes. In this way, an evaluation of an unfamiliar node's trust can be done very efficiently and precisely. In this paper, we present a trust evaluation metric using this scheme and some operations for forming and managing a cluster. An analysis of the proposed scheme over some security problems is also presented.

Keywords

References

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