基于移动因特网的移动性管理面临新的挑战。单播移动性管理协议和算法层出不穷，目的是为了使移动节点能进行平滑切换。
Mobility Management base on Mobile Internet is facing new challenge, Although many unicast mobility management protocols and algorithms are proposed, in order to achieve smooth hand off.
当前解决IP网络移动性管理的标准是移动IP协议。
Mobile IP is the current standard solution for mobility management in IP networks.
论文又针对性地对网络各个层次具代表性的协议进行了概述，并对网络层的移动性管理技术——移动IP进行了重点介绍。
Then, this paper has outlined the representatives of various levels of network protocols, and the network layer mobility management techniques-Mobile IP is investigated in detail.
论文又针对性地对网络各个层次具代表性的协议进行了概述，并对网络层的移动性管理技术——移动IP进行了重点介绍。
Then, this paper has outlined the representatives of various levels of network protocols, and the network layer mobility management techniques-Mobile IP is investigated in detail.
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