未来无线通信网络的两个最重要的研究问题就是宽带和无缝漫游，而移动性管理是实现网络间无缝漫游的关键难题之一。
The terms broadband and seamless are the main keywords for future wireless communication systems and the mobility management is the most important problem in seamless roaming across systems.
移动IP是支持IP网络移动性的标准，当移动主机(节点)在不同的ip子网之间移动时，它通过隐藏ip地址的变换提供移动时无缝的切换。
Mobile IP is now the standard for supporting mobility in IP networks. It provides seamless mobility by hiding the change of IPaddress when a mobile host moves between IP subnets.
移动IP是支持IP网络移动性的标准，当移动主机(节点)在不同的ip子网之间移动时，它通过隐藏ip地址的变换提供移动时无缝的切换。
Mobile IP is now the standard for supporting mobility in IP networks. It provides seamless mobility by hiding the change of IPaddress when a mobile host moves between IP subnets.
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