一、“信息高速公路”（国家信息基础设施（NII））早在1981年，现在的美国副总统戈尔就在美国科学与电视艺术研究院的一次讲演中，首次提出了信息高速公路的概念。从那时起，美国各地区‘备部门的计算机局域网和广域网就以前所未有的势头建立起广泛的连接，直到这一发展引起政 I. “Information Superhighway” (National Information Infrastructure (NII)) As early as 1981, the present U.S. Vice President Al Gore, for the first time in his speech at the United States Academy of Science and Television Arts, first proposed the concept of information superhighway . Since then, there has been an extensive connection between computerized LANs and WANs in various parts of the United States, a momentum that has never been seen before,