校园网的发展迫切需要更多的地址空间和更好的服务质量，但当前的网络协议IPv4显露出越来越多的在地址空间、网络安全等方面的不足，以IPv6技术为代表的下一代互联网应运而生，因此，校园网从IPv4向IPv6的过渡将是必然的选择。%With development of campus network, there are urgent needs for more address space and better service qualifies, while the current network protocol reveals more and more defects in space, safety and so on. As a result, IPv6 - oriented next generation Intemet came into being. It is essential for the campus network to tramfer from IPv4 to IPv6.
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