Secure and Reliable Clustering in Wireless Sensor Networks: A Critical Survey

Schaffer, Péter and Farkas, Károly and Horváth, Ádám and Holczer, Tamás and Buttyán, Levente (2012) Secure and Reliable Clustering in Wireless Sensor Networks: A Critical Survey. Computer Networks, 56 (11). 2726 - 2741. ISSN 1389-1286

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Abstract

In the past few years, research interest has been increased towards wireless sensor networks (WSNs) and their application in both the military and civil domains. To support scalability in {WSNs} and increase network lifetime, nodes are often grouped into disjoint clusters. However, secure and reliable clustering, which is critical in {WSNs} deployed in hostile environments, has gained modest attention so far or has been limited only to fault tolerance. In this paper, we review the state-of-the-art of clustering protocols in {WSNs} with special emphasis on security and reliability issues. First, we define a taxonomy of security and reliability for cluster head election and clustering in WSNs. Then, we describe and analyze the most relevant secure and reliable clustering protocols. Finally, we propose countermeasures against typical attacks and show how they improve the discussed protocols.

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