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整个网络从IPv4过渡到IPv6需要比较长的时间,所以两种网络将在今后长期共存。中国教育与科研计算机网络(CERNET)也将面临这种情况,所以研究基于IPv4向IPv6的过渡技术在校园网中的应用是十分必要的。文中主要研究IPv4向IPv6过渡的技术,并分析了双栈协议、隧道技术、地址/协议翻译技术这三种常用的过渡机制。结合目前校园网建设的现状,阐述了IPv6过渡技术在校园网改造的不同时期的应用现状,并提出过渡策略和解决方案。
It takes a long time for the entire network to transition from IPv4 to IPv6, so both networks will coexist for the long term. China Education and Research Computer Network (CERNET) will also face such a situation, so it is necessary to study the application of transition technology based on IPv4 to IPv6 in campus network. This paper mainly studies the technology of IPv4 to IPv6 transition and analyzes three common transition mechanisms of dual stack protocol, tunneling technology and address / protocol translation technology. Combined with the current situation of campus network construction, this paper expounds the application status of IPv6 transition technology in different periods of campus network transformation and proposes transition strategies and solutions.