On Pointer Forwarding Based Mobility Management for Cost-Optimized Proxy Mobile IPv6 Networks

In this paper, we propose optimized mobility management schemes based on pointer forwarding for Proxy Mobile IPv6 (PMIPv6) networks with the aim of reducing the overall network traffic caused by mobility management and packet delivery. The proposed schemes are per-user-based, i.e., the optimal threshold of the forwarding chain length that minimizes the overall network traffic is dynamically determined for individual mobile user based on the mobility and service patterns. We show that there is an optimal threshold of the forwarding chain length given a set of parameters characterizing the specific mobility and service patterns of a mobile user. We also describe that our schemes yield significantly better performance than schemes that be applicable a static threshold to all mobile users. A comparative analysis shows that our pointer forwarding schemes outperform routing-based mobility management protocols for PMIPv6 networks.