宽带IP城域网的设计与实现

Design and Implementation of Operational High bandwidth IP Metro Area Network

宝安信息网以光纤为骨干传输通道 ,采用基于宽带 IP的技术路线 ,网络骨干层带宽2 .5 Gbps,网络提供与广域网互联、VPN、用户网接入等基本服务和视频应用等增值服务 ,并建立了包括网元管理、网络管理、业务管理、信息源管理等方面的管理体系 .文中结合在宝安城域网建设中的实际工程经验 ,对宽带 IP城域网的设计原则、网络技术和设备选择、网络业务、网络的可靠性和自愈能力 。

Banan information network is based upon the fiber and adopts the IP technology, its backbone bandwidth is 2.5Gbps. In addition to this, it provides such services as connection to the internet, VPN, VOD and erects plenty of management projects, including network cells manament, operation management and information source management etc. According to the practical engineering experience on the metro area network, this paper discusses the designing principles, selecting of network technology and devices, network operation, network reliability and network management.