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A Distributed Dynamic Mobility Management Strategy for Mobile IP Networks

机译:移动IP网络的分布式动态移动性管理策略

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摘要

The Mobile IP can provide continuous Internet access services for the mobile user and does provide a simple and scalable solution to user mobility. Yet, Mobile IP is not a good solution for users with high mobility because it may cause excessive signaling traffic and long latency. The hierarchical mobile IP (HMIP) protocol was proposed to employ the hierarchy of foreign agents (Fas) and the gateway Fas (GFAs) to reduce the number of registration operations and to reduce the signaling latency. However, since user mobility characteristics and network traffic load are always in changing, the centralized and pre-planned network topology of HMIP would become invalid or even lead more signaling cost if no adjustment to be adopted. This paper introduces a novel distributed and dynamic mobility management strategy for Mobile IP where the signaling burden is evenly distributed and the regional network boundary is dynamically adjusted according to the real-time measurement of handover strength or traffic load in the networks. The simulation results show that the strategy can significantly reduce the system signaling latency and enhance the system robustness.
机译:移动IP可以为移动用户提供连续的Internet访问服务,并且确实为用户移动性提供了一种简单且可扩展的解决方案。但是,移动IP对于高移动性用户不是一个好的解决方案,因为它可能会导致过多的信令流量和较长的延迟。提出了分层移动IP(HMIP)协议,以采用外部代理(Fas)和网关Fas(GFA)的层次结构来减少注册操作的数量并减少信令延迟。但是,由于用户移动性和网络流量负载始终在变化,如果不进行调整,HMIP的集中式和预先计划的网络拓扑将变得无效,甚至导致更多的信令成本。本文介绍了一种新颖的移动IP分布式动态移动性管理策略,该策略根据网络中切换强度或流量负载的实时测量,均匀地分配信令负担,并动态调整区域网络边界。仿真结果表明,该策略可以显着减少系统信令时延,增强系统的鲁棒性。

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