A multicast extension to HMIPv6 with efficient MAP selection

By considering the moving area of the mobile hosts, a more efficient MAP (Mobile Anchor Point) selection scheme is proposed in the paper to improve the default MAP selection algorithm in Hierarchical Mobile IPv6 (HMIPv6). Moreover, given that few research papers discussing the multicast extension of HMIPv6, an efficient multicast extension of HMIPv6 integrating the proposed MAP selection algorithm is also proposed. The proposed multicast scheme is basically an improvement of Remote Subscription (RS) applied in HMIPv6. Simulation study shows that the average number of control messages for multicast tree maintenance is significantly smaller than that of the original RS scheme, which means the multicast tree constructed by the proposed scheme is relatively stable. Moreover, the average delivery cost of proposed multicast scheme is close to that of RS.

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