A Dynamic Architecture for Mobility Management in Hierarchical Mobile IPv6

Résumé fourni par la source

Hierarchical Mobile IPv6 (HMIPv6) is an enhanced Mobile IPv6 for reducing signaling cost of location management. Multi-level Hierarchical Mobile IPv6 (MHMIPv6) can organize mobile region as a multi-level hierarchy architecture, which is more flexible to support scalable services. However, MHMIPv6 will bring additional packet processing overhead, and produce negative impact especially on some mobile nodes (MNs) with relatively low movement characteristics. This paper proposes a dynamic hierarchical Mobile IPv6 (DHMIPv6) management, in which different hierarchies are dynamically set up to minimize the total cost for different MNs according to their movement characteristics respectively. Under such management MNs can select the monolayer or two-layer mobility anchor point(MAP) structure when they occur the handover at any time. Experimental results show that compared with HMIPv6 and MHMIPv6, DHMIPv6 achieves high adaptability with lower total cost under various scenarios.

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