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Paper Abstract and Keywords
Presentation 2018-06-15 09:00
Packet Filter Reconstruction by rules encapsulation
Takashi Harada, Ken Tanaka (Kanagawa Univ.), Kenji Mikawa (Niigata Univ.) CAS2018-18 VLD2018-21 SIP2018-38 MSS2018-18
Abstract (in Japanese) (See Japanese page) 
(in English) Packet filtering is achieved by linear search of the rule list denoting a filtering policy. The increase in the number of filtering rules causes a latency. Thus various methods for an optimization problem whose output is the order such that the filtering latency is minimum have been developed. Although optimization problem is NP–hard[1], if the graph of its precedence relations is an oriented tree, the problem is solvable in a polynomial time. We proposed a rule reconstruction method based on this characteristic[2]. The performance of the method overwhelms that of the Sub Graph Merging (SGM) [3] which is the state of the art algorithm of rule reordering. Since our proposed method focus on a model which omits an action of the rule, in this paper, we propose a rule reconstruction algorithm in consideration of rule actions.
Keyword (in Japanese) (See Japanese page) 
(in English) packet filtering / optimal rule ordering / optimization of rule list / rule reconstruction / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 82, CAS2018-18, pp. 93-98, June 2018.
Paper # CAS2018-18 
Date of Issue 2018-06-07 (CAS, VLD, SIP, MSS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 CAS2018-18 VLD2018-21 SIP2018-38 MSS2018-18

Conference Information
Committee CAS SIP MSS VLD  
Conference Date 2018-06-14 - 2018-06-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. (Frontier Research in Applied Sciences Build.) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System and Signal Processing, etc 
Paper Information
Registration To CAS 
Conference Code 2018-06-CAS-SIP-MSS-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Packet Filter Reconstruction by rules encapsulation 
Sub Title (in English)  
Keyword(1) packet filtering  
Keyword(2) optimal rule ordering  
Keyword(3) optimization of rule list  
Keyword(4) rule reconstruction  
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1st Author's Name Takashi Harada  
1st Author's Affiliation Kanagawa University (Kanagawa Univ.)
2nd Author's Name Ken Tanaka  
2nd Author's Affiliation Kanagawa University (Kanagawa Univ.)
3rd Author's Name Kenji Mikawa  
3rd Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2018-06-15 09:00:00 
Presentation Time 20 minutes 
Registration for CAS 
Paper # CAS2018-18, VLD2018-21, SIP2018-38, MSS2018-18 
Volume (vol) vol.118 
Number (no) no.82(CAS), no.83(VLD), no.84(SIP), no.85(MSS) 
Page pp.93-98 
#Pages
Date of Issue 2018-06-07 (CAS, VLD, SIP, MSS) 


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