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    Key management using k-dimensional trees
    (2008) A, R.; Shet, K.C.
    In this paper we present a protocol for group key management in mobile ad hoc networks based on K-dimensional trees, a space partitioning data structure. We use a 2- dimensional tree for a 2 dimensional space. The 2 dimensional tree resembles a binary tree. The protocol reduces the memory requirements for storing the tree by nearly 50% compared to the existing methods and also reduces the number of key changes required whenever membership changes occur. � 2008 IEEE.