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Published in:
2013 | OriginalPaper | Chapter
High Throughput Signature Based Platform for Network Intrusion Detection
Authors : José Manuel Bande Serrano, José Hernández Palancar, René Cumplido
Published in: Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications
Publisher: Springer Berlin Heidelberg
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In this work we propose the intensive use of embedded memory blocks and logic blocks of the FPGA device for signature matching. In our approach we arrange signatures in memory arrays (MA) of embedded memory blocks, so that every signature is matched in one clock cycle. The matching logic is shared among all the signatures in one MA. In addition, we propose a character recodification method that allows memory bits savings, leading to a low byte/character cost. For fast memory addressing we employ the unique substring detection, in doing so we process four bytes per clock cycle while hardware replication is significantly reduced.