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NetFlow是网络设备流量信息输出的一种协议,也是广受支持的业界标准。以NetFlow技术的工作架构为基础,针对大型IP网络进行流量统计的几种方式进行研究,并分析典型案例,以说明NetFlow技术在规划评估网络和扩容方面的重要意义。
NetFlow is a protocol for network device traffic information output and is a widely supported industry standard. Based on the work structure of NetFlow technology, this paper studies several ways of traffic statistics on large IP networks and analyzes typical cases to illustrate the significance of NetFlow technology in planning network assessment and capacity expansion.