Abstract
Problem statement: IETF has introduced Hierarchical Mobile IPv6 (HMIPv6) to support mobility problem in the next generation Internet Protocol (IPv6). The key concept behind this protocol is the usage of Mobility Anchor Point (MAP) located at any level router of network to support hierarchical mobility management and seamless handover. The distance MAP selection in HMIPv6 causes MAP overloaded as the network grows. Approach: To address the issue in designing MAP selection scheme, we proposed a dynamic speed detection mechanism that integrates with the load control mechanism. Results: From the experimental results we obtained that the proposed scheme gives better distribution in MAP load and reduced binding update cost. Conclusion/Recommendations: The Next Generation Networks (NGN) is expected to provide seamless handover in high speed wireless network environment. There is crucial need of very sophisticated protocols to support NGN QoS requirements.
Highlights
Without specific support for mobility in IPv6, packets destined to a Mobile Node (MN) would not be able to reach it while the MN is away from its home IP subnet
The MN starts register with the Home Agent (HA) and undergoes intra-domain handovers as it move within same domain and inter-domain handover as it changes moving into another Mobility Anchor Point (MAP) domain
It is obvious to discover that the proposed scheme can reduce the total binding update list and is better than the nearest.Especially in the best case with slow MNs move within the same domain, it is still superior because the proposed scheme possibly let each MN choose the suitable MAP which efficiently reduces the binding update cost. 1436
Summary
Without specific support for mobility in IPv6, packets destined to a Mobile Node (MN) would not be able to reach it while the MN is away from its home IP subnet. The furthest MAP selection in HMIPv6 can be a MAP overload and increase frequent binding update problem as the network grows It is only suitable for fast MNs that will perform frequent handoffs because the MNs reduce the performance and supporting seamless handover. Hierarchical mobile IPv6 (HMIPv6): The design of MIPv6 does not attempt to solve all general problems related to the use of MNs or wireless networks. This protocol does not solve local or hierarchical forms of mobility management. In HMIPv6 the usage of a new node, MAP can be used to improve the performance of Mobile IPv6 in terms of handover speed. It can be located at any level in a hierarchical network of routers so that it can be classified as a micro-mobility
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