An Improved AC Algorithm for Intrusion Detection

XU Hong; QIN Zhi-guang

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An Improved AC Algorithm for Intrusion Detection

更新时间：2026-09-04

- An Improved AC Algorithm for Intrusion Detection
- Vol. 27, Issue 11, Pages: 109-112(2010)
- 作者机构：
  
  电子科技大学计算机科学与工程学院,四川,成都,610054
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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徐红, 秦志光. 一种面向入侵检测的改进AC算法[J]. 微电子学与计算机, 2010, 27(11): 109-112.

XU Hong, QIN Zhi-guang. An Improved AC Algorithm for Intrusion Detection[J]. 2010, 27(11): 109-112.
徐红, 秦志光. 一种面向入侵检测的改进AC算法[J]. 微电子学与计算机, 2010, 27(11): 109-112. DOI：

XU Hong, QIN Zhi-guang. An Improved AC Algorithm for Intrusion Detection[J]. 2010, 27(11): 109-112. DOI：

摘要

在研究入侵检测系统中AC算法应用3的基础上

提出一种改进的AC算法--双重压缩AC算法.在算法中设计了新的AC状态自动机存储空间压缩方法

并给出与之对应的匹配流程.在Snort中进行测试

测试结果显示双重压缩AC算法的空间和时间性能比基本AC算法分别提升了52.2%和73.5%.

Abstract

On the basis of analyzing AC algorithm in IDS

this paper presents an improved AC algorithm named double compression AC algorithm(DCAC)

describes its new state automaton storage compression and corresponding matching process. DCAC has been tested in Snort. The results show that DCAC can averagely enhance the performance of Snort by 52.2% in terms of memory usage and by 73.5% in terms of processing time compared to the standard AC algorithm.

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