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Multi-group Key Tree-based Group Key Management Scheme for Application Level Multicast

Fei Xiao-fei

Abstract

To solve the scalability problem in Application Level Multicast(ALM) group key management scheme.MGKT,a multi-group key tree based large-scale ALM group key management scheme is proposed.To reduce the communication overhead for group key management,MGKT manages group members in clusters and confines each rekeying operation in one cluster.Analysis and simulation show that MGKT has preferable scalibility without sacrificing security.

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Available abstract

Key concepts: Rekeying, Computer science, Multicast, Group key, Key management, Secure multicast, Key (lock), Communication in small groups