A Multicast Handover Scheme in HMIPv6 Mobile Networks

Multicast service, which is one of the multi-point communication methods, should be applied to adjust it to evolving mobile network environment. In this paper, we propose a fast multicast management scheme for mobile terminals in HMIPv6-based mobile networks. In HMIPv6-based mobile network environment, multicast management scheme provides multicast service during mobile handover depending on the change of multicast transmission routing. Changed impact of the multicast routing is determined by handovers processed intra AR, inter AR, or MAP. Our multicast supporting scheme, which is proposed in this paper, uses tunneling scheme for intra AR handovers, and advance registration scheme for intra AR handovers to support multicast service management scheme depending on the changed impact of the multicast routing. Keyword: multicast, handover, HMIP, MAP, AR