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1.项目背景城域数据网自上世纪90年代建成之后,多年来在该网络建设上投入不大,该网络除了提供移动数据业务互联网接入、固定互联网接入、VPN、IDC等Internet服务外,还成为信息服务业务、GPRS承载、WLAN、综合业务网等的承载平台。近年来,随着全业务竞争时代的到来,现网带宽和性能、对新业务承载能力不足问题已经突出。正是在这种背景下,对互联网省出口、省互联网核心层、地市城域
1. Background of the Project Since the metro data network was completed in the 1990s, it has not invested much in the construction of this network over the years. Apart from providing Internet services such as mobile data services, fixed Internet access, VPN and IDC services, , But also has become the information service business, GPRS bearer, WLAN, Integrated Services Network and other hosting platform. In recent years, with the advent of the era of full-service competition, the existing network bandwidth and performance have highlighted the problem of insufficient carrying capacity of new services. It is in this context, the province of the Internet exports, the provincial core Internet layer, the city metro