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The improvement of pattern matching algorithm is a key to improve the efficiency of network intrusion detection. Firstly, this thesis analyzes the current mainstream of single mode and multi-mode matching algorithm; then an improved multi-mode matching KR-BM2 algorithm based on KR algorithm and BM2 algorithm is proposed. BM2 algorithm using dual characters… (More)
The pattern matching algorithm has important influence on the performance of intrusion detection system. Firstly, this paper analyzes matching principles of some traditional single-mode matching algorithms including KR, BM2 and frequency statistics algorithm. BM2 algorithm has a larger rightward deviation distance when mismatching and KR algorithm… (More)