Publications

Conference paper

KOŠAŘ Vlastimil and KOŘENEK Jan. Reduction of FPGA Resources for Regular Expression Matching by Relation Similarity. In: IEEE Design and Diagnostics of Electronic Circuits and Systems DDECS'2011. Cottbus: IEEE Computer Society, 2011, pp. 401-402. ISBN 978-1-4244-9753-9.

Publication language:

english

Original title:

Reduction of FPGA Resources for Regular Expression Matching by Relation Similarity

Title (cs):

Redukce zabraných zdrojů FPGA pro vyhledávání vzorů popsaných regulárními výrazy pomocí relace podobnosti

Pages:

401-402

Proceedings:

IEEE Design and Diagnostics of Electronic Circuits and Systems DDECS'2011

Conference:

IEEE International Symposium on Design and Diagnostics of Electronic Circuits and Systems 2011

Place:

Cottbus, DE

Year:

2011

ISBN:

978-1-4244-9753-9

Publisher:

IEEE Computer Society

Files:

Keywords

FPGA, NFA, reduction, regular expression matching

Annotation

Intrusion Detection Systems have to match large sets of regular expressions to detect malicious traffic on multi-gigabit networks. Many algorithms and architectures have been proposed to accelerate pattern matching, but formal methods for reduction of Nondeterministic finite automata have not been used yet. We propose to use reduction of automata by similarity to match larger set of regular expressions in FPGA. Proposed reduction is able to decrease the number of states by more than 32% and the amount of transitions by more than 31%. The amount of look-up tables is reduced by more than 15% and the amount of flip-flops by more than 34%.

BibTeX:

@INPROCEEDINGS{
   author = {Vlastimil Ko{\v{s}}a{\v{r}} and Jan Ko{\v{r}}enek},
   title = {Reduction of FPGA Resources for Regular Expression
	Matching by Relation Similarity},
   pages = {401--402},
   booktitle = {IEEE Design and Diagnostics of Electronic Circuits and
	Systems DDECS'2011},
   year = {2011},
   location = {Cottbus, DE},
   publisher = {IEEE Computer Society},
   ISBN = {978-1-4244-9753-9},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php.en?id=9766}
}

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