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Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/E4A95C13-8C46-4689-B0E0-3D79E7072A0A | ||
| Year | 2007 | ||
| Type of Item | Conference Full Paper | ||
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| Bibliographic Citation | I. Papaefstathiou, D. Pnevmatikatos, V. Dimopoulos, "A Memory-Efficient Reconfigurable Aho-Corasick FSM Implementation for Intrusion Detection Systems," in International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation, 2007, pp. 186 - 193. doi: 10.1109/ICSAMOS.2007.4285750 https://doi.org/10.1109/ICSAMOS.2007.4285750 | ||
| Appears in Collections |
The Aho-Corasick (AC) algorithm is a very flexible and efficient but memory-hungry pattern matching algorithm that can scan the existence of a query string among multiple test strings looking at each character exactly once, making it one of the main options for software-base intrusion detection systems such as SNORT. We present the Split-AC algorithm, which is a reconfigurable variation of the AC algorithm that exploits domain-specific characteristics of intrusion detection to reduce considerably the FSM memory requirements. SplitAC achieves an overall reduction between 28-75% compared to the best proposed implementation.
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