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随着移动IP的发展和应用,最初的移动IPv4已经暴露出先天不足。由于移动IPv4的缺陷(如三角路由问题),移动IPv6的设计借鉴了开发移动IPv4的经验,并且利用了IPv6提供的新特性。移动IPv6正在成为IP不可缺少的部分,而且比移动IPv4有很多显著的改进。通过对其工作原理和基于移动IPv4存在的问题进行了分析,比较了移动IPv6和移动IPv4的差异,介绍了移动IPv6的主要工作过程。移动IPv6的真正推广,一方面需要借助下一代网络的快速发展需求,另一方面也需要克服目前存在的一些问题。
With the development and application of Mobile IP, the initial mobile IPv4 has revealed inherent deficiencies. Due to the drawbacks of mobile IPv4 (such as triangular routing), Mobile IPv6 is designed to draw on the experience of developing Mobile IPv4 and to take advantage of the new features offered by IPv6. Mobile IPv6 is becoming an indispensable part of IP and has many significant improvements over Mobile IPv4. By analyzing its working principle and the existing problems based on Mobile IPv4, the differences between Mobile IPv6 and Mobile IPv4 are compared. The main work process of Mobile IPv6 is introduced. The real promotion of Mobile IPv6, on the one hand need to take advantage of the rapid development of next-generation network needs, on the other hand also need to overcome some of the existing problems.