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ＩＰ技术在Ｉｎｔｅｒｎｅｔ网络上获得的巨大成功，奠定了基于ＩＰ技术的网络在各类通信网络中的主导地位。Ｉｎｔｅｒｎｅｔ近年来的迅猛发展使得网络的宽带化和高速化需求越来越迫切，为此各国网络界纷纷提出了高性能ＩＰ骨干网方案，建设下一代Ｉｎｔｅｒｎｅｔ。国家高技
The immense success of IP technology on the Internet has laid the foundation for IP-based networks in all types of communications networks. The rapid development of the Internet in recent years has made the demand for broadband and high-speed Internet more and more urgent. To this end, the network industries all over the world have proposed a high-performance IP backbone network plan and the next-generation Internet. National high-tech