Achieving availability and survivability in wireless sensor networks by software rejuvenation
Proceedings of the 4th international workshop on Security, privacy and trust in pervasive and ubiquitous computing
A model for classifying threats and framework association in wireless sensor networks
ASID'09 Proceedings of the 3rd international conference on Anti-Counterfeiting, security, and identification in communication
Entropy-based trust management for data collection in wireless sensor networks
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Scale-free topology evolution for wireless sensor networks
Computers and Electrical Engineering
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Wireless Sensor Network (WSN) should be capable of fulfilling its mission, in a timely manner, in the middle of intrusion, attacks, accidents and failures in hostile environment. However, current security mechanisms for WSN are able to satisfy confidentiality, integrity, and authentication properties using cipher algorithms, key management schemes, and so on, but they are not enough to meet above requirements. Therefore, we propose a framework of survivability model for WSN. Our model adopts software rejuvenation methodology, which is applicable in security field and also less expensive. We model and analyze each cluster of a hierarchical cluster based WSN as a stochastic process based on semi-Markov Process (SMP) and Discrete-Time Markov Chain (DTMC). The model analysis indicates the feasibility of our approach.