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ji yu mih de pmipv6 chui zhi qie huan zeng qiang ji zhi
Author(s): 
Pages: 45-48,57
Year: Issue:  1
Journal: Railway Signalling & Communication Engineering

Keyword:  代理移动IPv6介质独立切换垂直切换;
Abstract: 当前的代理移动IPv6 (PMIPv6,Proxy Mobile IPv6)仅考虑了基本的注册、解注册和切换管理,并不能很好地支持具有多个异构网络接口的移动节点(MN,Mobile Node)的垂直切换.由于在基本PMIPv6的垂直切换过程中,本地移动锚点(LMA,Local Mobility Anchor)和移动接入网关(MAG,Mobile Access Gateway)在绑定更新完成时,移动节点可能并未配置好有效的地址,从而会引起严重的切换时延和数据包丢失.通过扩展介质独立切换(MIH,Media Independent Handover)原语和参数,可以支持高效的PMIPv6垂直切换.理论分析结果表明,所提机制能够有效减小垂直切换时延.
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