双机协作的抽样测量与多次抽样技术研究  

Research into sampling measurement with two-computer cooperation and multiple sampling

作　　者：谭敏生[1] 赵治国[1] 

机构地区：[1]南华大学计算机科学与技术学院,湖南衡阳421001

出　　处：《计算机应用》2007年第2期324-326,共3页journal of Computer Applications

基　　金：国家自然科学基金资助项目(60572137);湖南省教育厅科学研究项目(05C487);衡阳市科技计划项目(2005KG01-015)

摘　　要：阐述了掩码匹配抽样的基本原理,给出了抽样获取Intranet出口流量的基本方法和拓扑结构;为实现长时间的连续抽样测量,设计并用Java语言实现了两台测量主机之间的协作算法;为逐步而平滑地减少部分数据而不造成原始流量性质失真,提出了基于掩码匹配的多次抽样方法,通过对流量数据的分析表明,多次抽样前后报文的长度分布及协议分布一致。This paper expounded the basic principle of sampling measurement based on mask matching, and provided the basic method and Top architecture for capturing the traffic of Intranet export. It also designed and implemented the cooperation algorithm between the two computers with java, so as to realize continuous sampling measurement for a long time. Finally, the authors proposed multi-sampling based on the mask matching to delete some traffic data gradually and smoothly without losing its character. Analysis of the traffic data shows that the length distribution and protocol distribution of message do not change after sampling.

关 键 词：抽样测量 双机协作 多次抽样 掩码匹配 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]