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| Paper Abstract and Keywords | ||
| Presentation | 2010-09-16 13:00 A Regular Expression Matching Circuit Based on an NFA with Multi-Character Consuming Hiroki Nakahara, Tsutomu Sasao, Munehiro Matsuura (KIT)  RECONF2010-20 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper shows an implementation of a regular expression circuit based on an NFA~(Non-deterministic finite automaton). Also, it shows that the NFA based one is superior to the DFA~(Deterministic finite automaton) based one, with respect to the area complexity and the time complexity. A regular expression matching circuit is produced as follows: First, the given regular expressions are converted into a non-deterministic finite automaton~(NFA). Then, to reduce the number of states, the NFA is converted to a modular non-deterministic finite automaton~(MNFA(p)) with p-character-consuming transition. Finally, a finite-input memory machine~(FIMM) to detect p-characters is generated, and the matching elements~(MEs) realizing the states for the MNFA(p) are generated. We designed MNFA(p) for different p on Xilinx FPGA. As for the performance per area, our method is 6.2-18.6 times better than the DFA-based methods, and is 1.8 times better than the NFA-based method. Then, we derive an optimal value p that efficiently uses both LUTs and embedded memories of the FPGA. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | FPGA / regular expression / NFA / pattern matching / SNORT / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 204, RECONF2010-20, pp. 13-18, Sept. 2010. | |
| Paper # | RECONF2010-20 | |
| Date of Issue | 2010-09-09 (RECONF) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | RECONF2010-20 |
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| Conference Information | |
| Committee | RECONF |
| Conference Date | 2010-09-16 - 2010-09-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shizuoka University (Faculty of Eng., Hall 2) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Reconfigurable Systems, etc. |
| Paper Information | |
| Registration To | RECONF |
| Conference Code | 2010-09-RECONF |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Regular Expression Matching Circuit Based on an NFA with Multi-Character Consuming |
| Sub Title (in English) | |
| Keyword(1) | FPGA |
| Keyword(2) | regular expression |
| Keyword(3) | NFA |
| Keyword(4) | pattern matching |
| Keyword(5) | SNORT |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroki Nakahara |
| 1st Author's Affiliation | Kyushu Institute of Technology (KIT) |
| 2nd Author's Name | Tsutomu Sasao |
| 2nd Author's Affiliation | Kyushu Institute of Technology (KIT) |
| 3rd Author's Name | Munehiro Matsuura |
| 3rd Author's Affiliation | Kyushu Institute of Technology (KIT) |
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| Speaker | Author-1 |
| Date Time | 2010-09-16 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RECONF |
| Paper # | RECONF2010-20 |
| Volume (vol) | vol.110 |
| Number (no) | no.204 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2010-09-09 (RECONF) |
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