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The performance of the Hierarchical Mobile IPv6 (HMIPv6) protocol is affected by the Mobility Anchor Point (MAP) selection. Many MAP selection algorithms have been proposed. Researchers have based their algorithms on different operating principles, movement patterns and evaluation metrics, while the network topology model has remained essentially the same - a simple tree. The authors' study abolishes this restriction by expanding the research to different types of topologies. They are compared both analytically and by simulation. The results show that trees differ from other topologies in an important aspect. They do not allow the simultaneous reduction of average distance from Mobile Node (MN) to MAP and frequency of MAP changes.
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