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流量识别是指根据网络流以及流中数据报文的某些信息将网络上的流分成若干既定的类别.随着网络的高速化,业务应用和协议日趋复杂,传统的基于端口的流量识别方法已经不够准确,因此各种新的识别方法成为研究热点.本文在介绍流量识别的基本概念、流量识别的评价指标的基础上,对目前正在使用或研究的流量识别方法进行了分析比较,指出了现有各种方法的优点和不足,最后给出未来流量识别技术的发展趋势和研究方向.
Traffic identification refers to dividing the traffic on a network into a number of predefined categories according to the network traffic and some information about the data messages in the traffic.With the increasing speed of the network, the service applications and protocols become more and more complicated. The traditional port-based traffic identification method Is not enough accurate, so all kinds of new identification methods become the research hot spots.This paper introduces the basic concepts of traffic identification, traffic identification based on the evaluation of the currently used or studied traffic identification methods are analyzed and compared, pointed out The advantages and disadvantages of various existing methods are given. Finally, the development trend and research direction of future traffic identification techniques are given.