基于NetFlow的流量计费系统的设计与实现

Design and Implementation of the Network Traffic Accounting System Based on NetFlow

以宁波市互联网交换中心流量计费系统为例，阐述了一种基于NetFlow的流量计费系统的设计与实现，分析了该系统的网络结构,硬件配置及实现方案。其中主要分析了流量采集、流量监控和系统管理模块的设计与实现。

This paper analyses the net structure, hardware configuration and implement schema of traffic accounting system of Ningbo Internet Switch Center. It mainly analyses the design and implementation of the traffic accounting module、traffic monitor module and system manage module.