论文部分内容阅读
吉通公司已经建成了覆盖全国主要省会、直辖市、计划单列城市的高速骨干网络，具有覆盖118城市的IP网络，覆盖118城市的IP电话网络，具有17城市ATM/FR网络，拥有8700公里SDH电路，已建VAST地面站180个，正在10个城市建设城域网及3个IDC中心。事实与数据
Jitong has built a high-speed backbone network covering major cities in China, municipality directly under the Central Government and cities under separate planning with IP network covering 118 cities, IP telephone network covering 118 cities, 17 cities ATM / FR network, 8,700 km SDH circuit, There are 180 VAST ground stations built and 10 metropolitan area networks and 3 IDC centers are under construction in 10 cities. Facts and figures