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一种基于多元异常分析的网络自主防护机制
引用本文:谢丽霞,代其魁,杨宏宇.一种基于多元异常分析的网络自主防护机制[J].中国科学技术大学学报,2011,41(10).
作者姓名:谢丽霞  代其魁  杨宏宇
作者单位:中国民航大学计算机科学与技术学院,天津,300300
基金项目:国家自然科学基金,中国高技术研究发展(863)计划,天津市科技支撑计划重点项目,中国民航科技基金,中央高校基本科研业务费专项
摘    要:基于网络自保护理论和多元异常分析方法,提出一种网络攻击自主防护机制.根据PDRR理论模型,设计网络自保护系统主要功能模块.运用多元异常分析方法,提出基于网络流的多元异常分析网络攻击检测算法.该算法根据网络流测量指标的异常偏差值对其分类,并对分类网络流分配路由调度优先级,削弱网络攻击对正常网络通信流的影响.实验结果表明,提出的网络自主防护机制能显著提高网络系统应对攻击行为的防御能力.

关 键 词:自主防护  网络安全  异常分析  网络流

A network self-protection mechanism based on multivariate abnormality analysis
XIE Lixia,DAI Qikui,YANG Hongyu.A network self-protection mechanism based on multivariate abnormality analysis[J].Journal of University of Science and Technology of China,2011,41(10).
Authors:XIE Lixia  DAI Qikui  YANG Hongyu
Institution:XIE Lixia,DAI Qikui,YANG Hongyu(School of Computer Science and Technology,Civil Aviation University of China,Tianjin 300300,China)
Abstract:A network self-protection mechanism against network attacks was proposed based on the network self-protection theory and multivariate abnormality analysis.According to PDRR theory model,the main function modules of network self-protection system were designed.By applying multivariate abnormality analysis theory,a flow-based multivariate abnormality analysis network attack detection algorithm was proposed.The algorithm uses a metric of abnormal distance to classify network flow into different types and prior...
Keywords:self-protection  network security  abnormality analysis  network flow  
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