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首页> 外文期刊>Vehicular Technology, IEEE Transactions on >An Adaptive Network Mobility Support Protocol in Hierarchical Mobile IPv6 Networks
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An Adaptive Network Mobility Support Protocol in Hierarchical Mobile IPv6 Networks

机译:分层移动IPv6网络中的自适应网络移动性支持协议

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摘要

The network mobility (NEMO) basic support protocol provides collective mobility for a group of nodes in vehicular area networks. Since the NEMO basic support protocol always performs the same operations, regardless of a mobile network's characteristics, it cannot achieve optimal performance. We propose an adaptive NEMO support protocol based on Hierarchical Mobile IPv6. The proposed protocol jointly optimizes binding update (BU) traffic and tunneling overhead by employing the adaptive BU strategy, depending on the session-to-mobility ratio (SMR). Specifically, both the mobile router (MR) and the visiting mobile nodes (VMNs) configure two care-of-addresses: 1) on-link care-of-address (LCoA) and 2) regional care-of-address (RCoA). If the SMR is lower than a predefined threshold, the MR and VMNs perform RCoA and LCoA BU procedures to their home agents (HAs), respectively. Otherwise, LCoA and RCoA BU procedures are conducted by the MR and VMNs, respectively. Via analytical models, we evaluate the performance of the adaptive NEMO support protocol against other NEMO support protocols and derive the optimal SMR threshold. Numerical results demonstrate that the adaptive NEMO support protocol is a valuable solution for promising NEMO applications.
机译:网络移动性(NEMO)基本支持协议为车载区域网络中的一组节点提供了集体移动性。由于NEMO基本支持协议始终执行相同的操作,而与移动网络的特性无关,因此无法实现最佳性能。我们提出了一种基于分层移动IPv6的自适应NEMO支持协议。所提出的协议通过采用自适应BU策略,根据会话移动率(SMR),共同优化绑定更新(BU)流量和隧道开销。具体来说,移动路由器(MR)和来访的移动节点(VMN)都配置两个转交地址:1)链路转交地址(LCoA)和2)区域转交地址(RCoA) 。如果SMR低于预定义的阈值,则MR和VMN分别对其本地代理(HA)执行RCoA和LCoA BU程序。否则,分别由MR和VMN进行LCoA和RCoA BU程序。通过分析模型,我们针对其他NEMO支持协议评估了自适应NEMO支持协议的性能,并得出了最佳SMR阈值。数值结果表明,自适应NEMO支持协议对于有前途的NEMO应用是有价值的解决方案。

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