国家“十五”计划明确提出，要大力发展高速宽带信息网，重点建设宽带接入网，扩大利用互联网，促进电信、电视、计算机三网融合。今年全国信息产业工作会议也将网络建设放到十分突出的位置，要求“十五”期间加快建设超大容量、技术先进、灵活高效、安全可靠的信息基础设施，? The 10th Five-year Plan of China explicitly stated that we should vigorously develop the high-speed broadband information network, focus on building a broadband access network, expand the use of the Internet, and promote the integration of telecommunications, television and computer networks. This year, the national conference on information industry work has also put network construction in a very prominent position. It calls for speeding up the construction of an information infrastructure with ultra-large capacity, advanced technology, flexible and efficient, safe and reliable during the “Tenth Five-year Plan” period.