Abstract
Proxy Mobile IPv6 (PMIPv6) is a network-based mobility management protocol to support mobile nodes (MNs) for IP with mobility, without requiring the participation of MNs in any mobility-related signaling. Recently, multicast issues in PMIPv6 networks have generated a great deal of interest among researchers, and several multicast schemes had been proposed. However, these schemes do not take security issues into account. In an attempt to fill that research gap, we propose a dual multicast key management scheme for secure group communications in PMIPv6-based multicast networks. This scheme satisfies the requirements for forward and backward secrecy. Moreover, the performance analysis demonstrates that the proposed scheme incurs low communication cost.
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