校园用户长期在线,FTP应用、网络游戏、网上视讯等长时间消耗学校网络的带宽;同时,学校自身提供网上教学、E-Learning等业务也导致骨干带宽愈加捉襟见肘。学校校园网带宽匮乏,特别是核心网带宽匮乏,已经成为普遍现象。千兆交换机已不能适应大型校园骨干发展需求,由此,华为3Com? Long-term campus users online, FTP applications, online games, online video and other long-term consumption of school network bandwidth; the same time, the school itself to provide online teaching, E-Learning and other services also led to the backbone of the bandwidth even more stretched. The lack of bandwidth in the school campus network, especially the lack of bandwidth in the core network, has become a common phenomenon. Gigabit switches have been unable to adapt to the needs of large-scale development of the campus backbone, which, Huawei 3Com?