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在代理移动IPv6协议中,当移动节点发生切换,移动接入网关需代替移动节点向本地移动锚点发送注册消息以更新移动节点的位置信息.而当移动节点在空闲状态下发生切换时,大部分的注册消息对追踪移动节点没有实质作用,会造成网络资源的浪费.本文提出一种基于指针推进的代理移动IPv6优化方案,建议移动节点在空闲状态下切换时,新接入的移动接入网关只需要向前一个移动接入网关发送注册消息,以此来记录移动节点的位置信息.分析结果表明,本优化方案比代理移动IPv6的网络资源消耗更小,性能更优.
In the Proxy Mobile IPv6 protocol, when the mobile node is handed over, the mobile access gateway needs to replace the mobile node to send a registration message to the local mobile anchor to update the location information of the mobile node. When the mobile node is handed over in the idle state, Some registered messages have no real effect on tracing mobile nodes, which will result in a waste of network resources.This paper proposes a pointer-driven proxy mobile IPv6 optimization scheme, and recommends that when a mobile node switches in an idle state, the newly accessed mobile access The gateway only needs to send a registration message to the previous mobile access gateway, so as to record the location information of the mobile node.The analysis results show that the proposed optimization scheme consumes less network resources and has better performance than the Proxy Mobile IPv6 network.