Then it gives a scheme to support the IP mobility while using SIP, and analyses the theory of the scheme and the specific communication flow.
接着给出一种利用SIP协议支持IP移动性的实现方案，并详细分析了该方案的原理和具体的通信流程。
Cisco wireless plant networks offer applications including those for worker mobility, voice over IP communications, tracking of personnel and assets, and video applications.
思科无线工厂网络提供的应用包括这些用于工人移动性、基于IP的语音通信、跟踪工作人员和资产以及视频应用。
This identifier is linked to a network resolvable advertisement, listing all physical and virtual addresses to a member, thus enabling fault tolerance, mobility and non-ip transport support.
该标识符被链接到网络上，向成员显示所有物理和虚拟地址，这样就可以支持容错性、灵活性和非ip传输。
Mobile IP is the current standard solution for mobility management in IP networks.
当前解决IP网络移动性管理的标准是移动IP协议。
This paper analyzes mobility scenarios, especially mobile IP scenario.
分析了IP的移动性方案，特别是移动IP方案。
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。
In the next generation all-IP mobile communication networks, mobility management is very important.
在下一代的全ip移动通信网中，移动性管理是一个非常关键的问题。
Finally, the research trend of mobility management in all-IP networks is outlined.
指出了全ip网络中移动性管理的研究方向。
Compared with complex wireless cell networks, the mobility management and handoff in mobile IP is very simple.
与复杂的无线蜂窝网相比，移动IP的移动管理和切换非常简单，并能支持异质网络间的漫游。
Based on the research outcome so far, this paper proposes an approach of mobility management in an all-IP cellular mobile communication system platform.
基于已有的研究成果，本文在全IP蜂窝移动通信系统平台上，提出了一种移动性管理方案。
Mobile IP technology, take full advantage of the IP protocol inherent support for mobility, it provides a good mobile network solution.
移动IP技术充分利用了IP协议对移动性的内在支持，提供了一种良好的移动网络解决方案。
The results show that introducing hierarchical mobility lightens the processing load of HA and increases the protocol scalability comparing with only using mobile IP.
结果表明，引入分层流动性，减轻了处理负荷，医管局，并增加与只使用移动IP协议的可扩展性。
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。
The result shows that although Mobile IP may be appropriate for macro mobility applications, its long handoff periods make it unsuitable for micro mobility support.
通过仿真，认为移动IP基本满足网络宏移动的应用，但对于将来的微蜂窝网络下的快速移动应用还不能很好地支持。
For reducing the delay and signaling overhead in MIP, some IP-based micro-mobility protocols supporting fast and reliable handoff were proposed.
为了减少MIP中的时延和信令开销，提出了支持快速、可靠切换的IP微移动性协议。
Several main IP-based micro-mobility protocols were analyzed by comparing their performance, complexity of signaling and feasibility. Some possible optimizations were also proposed.
研究了全IP移动通信网中的IP微移动性协议，分析了协议的动机、特点，比较了性能、信令复杂度和可实用性，并给出了可能的优化途径。
Mobile IP is a solution for mobility support based on IP layer, which also has some problems in routing technology such as "triangle routing", ingress filtering.
移动IP是一种基于IP层提供移动支持功能的解决方案，在路由技术方面他还存在一些诸如“三角路由”、入口过滤的问题。
Nevertheless, Mobile IP is not designed to support fast handoff and seamless mobility in handoff-intensive environments.
然而，移动IP并没有被设计来支持切换频繁环境中的快速和无缝切换。
The route update time of micro-mobility protocol is shorter than mobile IP.
采用微观移动协议时的路径更新时间远小于只使用移动IP协议时的情形；
Nowadays the global communication industry displays the traits of Mobility, Broadband and IP-based Architecture.
全球通信产业呈现出移动化、宽带化、IP化的趋势。
Moreover, when performing a session handover between terminals which are mobility-managed by separate Mobile IP HA, it is impossible to normally handle an Uplink packet by the IETF standard technique.
另外，当在其移动性由各个移动IPHA管理的终端之间执行会话移交时，很难使IETF标准正常地应对上行链 路分组。
Moreover, when performing a session handover between terminals which are mobility-managed by separate Mobile IP HA, it is impossible to normally handle an Uplink packet by the IETF standard technique.
另外，当在其移动性由各个移动IPHA管理的终端之间执行会话移交时，很难使IETF标准正常地应对上行链 路分组。
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