期刊
JOURNAL OF NETWORK AND COMPUTER APPLICATIONS
卷 59, 期 -, 页码 88-94出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jnca.2015.06.013
关键词
WSNs; Trust evaluation; Beta distribution; Compromised nodes
类别
资金
- National Natural Science Foundation of China [61302113]
- Shanghai Natural Science Foundation [13ZR1440800]
- Shanghai Rising-Star Program [14QB1404400]
- Shanghai Key Laboratory of Specialty Fiber Optics and Optical Access Networks [SKLSFO 2014-03]
- Young Academic Team Construction Projects of the 'Twelve Five' Integrated Investment Planning in Tianjin University of Science and Technology
Unlike traditional networks, the wireless sensor networks (WSNs) are very vulnerable to internal attacks from compromised nodes. The trust management system is the most effective way to defend the attack inside the network. The Beta-based Trust and Reputation Evaluation System (BTRES) is proposed in this paper for WSNs' node trust and reputation evaluation. BTRES is based on monitoring nodes' behavior, and beta distribution is used to describe the distribution of nodes' credibility. The node trust values are used to guide the selection of relay nodes, mitigating internal attacks risks. Simulation results show that the use of BTRES could effectively maximize the defense of internal attacks from compromised nodes and improve the WSNs' information security. In this paper, we mainly focus on the communication trust and data trust, and energy trust can be easily integrated into BTRES. (C) 2015 Elsevier Ltd. All rights reserved.
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