Optimal Layout of Multicast Groups Using Network Embedded Multicast Security in Ad Hoc Sensor Networks

R. R. Brooks, Brijesh Pillai, Michele C. Weigle and Matthew Pirretti
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Michele C. Weigle: Department of Computer Science, Clemson University, Clemson, SC
Matthew Pirretti: Computer Science and Engineering Department, The Pennsylvania State University, University Park, PA

International Journal of Distributed Sensor Networks, 2007, vol. 3, issue 3, 273-287

Abstract: This paper considers the security of sensor network applications. Our approach creates multicast regions that use symmetric key cryptography for communications. Each multicast region contains a single keyserver that is used to perform key management and maintain the integrity of a multicast region. Communications between two multicast regions is performed by nodes that belong to both regions. To ease the network management burden, it is desirable for the networks to self-organize into regions and dynamically select their keyservers. This paper shows how to determine the number of keyservers ( k ) to use and the size in the number of hops ( h ) of their multicast regions. We find that power consumption issues provide a natural trade-off that determines optimal values for these parameters. Analysis of one application shows an increase in system security with 70-80% less power overhead than existing security approaches.

Keywords: Sensor Networks; Key Management; Ad Hoc Networks (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:3:y:2007:i:3:p:273-287

DOI: 10.1080/15501320601062080

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