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Bandwidth Efficient Key Distribution for Secure Multicast in Dynamic Wireless Mesh Networks

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4 Author(s)
Seungjae Shin ; Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Daejeon ; Junbeom Hur ; Hanjin Lee ; Hyunsoo Yoon

In the near future, various multicast based services will be provided over wireless mesh networks. For secure multicast services, various tree based group key management schemes have been introduced until now. Traditional tree based approaches mainly focus on reducing the number of rekeying messages transmitted by the key distribution center. However, they do not consider the network bandwidth used for transmitting each rekeying message. We propose a bandwidth efficient key tree management scheme for dynamic wireless mesh networks where membership changes occur frequently. Simulation results show that our scheme effectively reduces the bandwidth consumption used for rekeying compared to existing key tree schemes.

Published in:

2009 IEEE Wireless Communications and Networking Conference

Date of Conference:

5-8 April 2009