文档介绍：高速IP网络流量测量系统的设计与实现
王风宇1,2,云晓春1,3,申伟东4
1(中国科学院计算技术研究所信息智能与信息安全研究中心,北京 100080)
2(中国科学院研究生院,北京 100039)
3(哈尔滨工业大学计算机网络与信息安全技术研究中心, 黑龙江哈尔滨 150001)
4(西安交通大学,电子与信息工程学院, 陕西西安710049)
摘要:网络流量测量是网络流量分析建模的基础,也是网络性能监测的主要方法。不断提高的网络带宽,使网络流量测量面临很大的困难。本文在分析传统网络流量测量系统存在的问题的基础上,采用零拷贝分组捕获和裸设备存储(零拷贝存储)等关键技术,设计并实现了一个被动式网络流量测量系统,使系统性能得到大幅提高,并具有较好的时间精确度。
关键词:网络流量测量;分组捕获;零拷贝;裸设备;TSC(Timestamp Counter)时间戳
Design and Implementation of a High-work Traffic Measurement System
Wang Feng-Yu* **, Yun Xiao-Chun* ***, Shen Wei-Dong****
*(Research Center of Information Intelligent and Information Security, Institute puting Technology, Chinese Academy of Sciences, Beijing 100080)
**(Graduate University of Chinese Academy of Science, Beijing 100039)
***(Research Center work and Information Security Technology, Harbin Institute of Technology, Harbin,150001)
****(Institute of Electronic and information Engineering, Xi’an Jiaotong University, Xi’an 710049)
Abstract Through analyzing the problems of work traffic measurement system, a work traffic measurement system is designed based on zero-copy packet capture, raw device storage and so on. The performance and the precision work traffic measurement are improved greatly. This system is suitable for the traffic measurement of 1Gb/work.
work traffic measurement; packet capture; zero copy; raw device; TSC(Timestamp Counter)
引言
的服务类型不断增多,业务量成倍增长,对网络服务质量的要