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Many emerging commercial and military applications require secure multicast communication in adhoc environments. Secure multicast communication in mobile adhoc networks is challenging due to its inherent characteristics of infrastructure-less architecture with lack of central authority, high packet loss rates and limited resources such as bandwidth, time and power. Hence key management is the fundamental challenge in achieving reliable secure communication using multicast key distribution for mobile adhoc networks. This paper proposes and evaluates the performance of an new cluster-based multicast tree algorithm with destination sequenced distance vector routing protocol to provide efficient and reliable multicast key distribution.
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