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

Author

Listed:
  • R. R. Brooks
  • Brijesh Pillai
  • 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)

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.

Suggested Citation

  • R. R. Brooks & Brijesh Pillai & Michele C. Weigle & Matthew Pirretti, 2007. "Optimal Layout of Multicast Groups Using Network Embedded Multicast Security in Ad Hoc Sensor Networks," International Journal of Distributed Sensor Networks, , vol. 3(3), pages 273-287, July.
    • Handle: RePEc:sae:intdis:v:3:y:2007:i:3:p:273-287
    DOI: 10.1080/15501320601062080
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