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Paper Abstract and Keywords
Presentation 2008-03-06 10:30
Online Method For Detecting High Packet-Rate Flows
Takanori Kudo, Tetsuya Takine (Osaka Univ.) IN2007-165
Abstract (in Japanese) (See Japanese page) 
(in English) We present an online method which detects high packet-rate flows, such as DDoS attack flows, ensuring scalability. In our method, we collect traffic data by random packet-sampling to ensure scalability. At the same time, we use a sliding window technique in order to realize online detection when we renew sampled data which we have to examine. In this method, we have to determine the values of control parameters, such as the sampling rate and window size, to minimize the probability of the wrong detection, while keeping the probability of the detection error sufficiently low. We formulated the problem of determining control parameters as a nonlinear programming problem with constraints such as a permissible ratio of detection errors and permissible time for detection, and provide a way to determine the optimal control parameters. we then evaluate this method using measured traffic data and confirm that this method works well as designed.
Keyword (in Japanese) (See Japanese page) 
(in English) Anomaly Detection / Packet Sampling / Sliding Window Technique / Nonlinear Programming Problem / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 525, IN2007-165, pp. 37-42, March 2008.
Paper # IN2007-165 
Date of Issue 2008-02-28 (IN) 
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 IN2007-165

Conference Information
Committee NS IN  
Conference Date 2008-03-06 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Bankoku Shinryokan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General issues 
Paper Information
Registration To IN 
Conference Code 2008-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Online Method For Detecting High Packet-Rate Flows 
Sub Title (in English)  
Keyword(1) Anomaly Detection  
Keyword(2) Packet Sampling  
Keyword(3) Sliding Window Technique  
Keyword(4) Nonlinear Programming Problem  
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1st Author's Name Takanori Kudo  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Tetsuya Takine  
2nd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2008-03-06 10:30:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2007-165 
Volume (vol) vol.107 
Number (no) no.525 
Page pp.37-42 
#Pages 6 
Date of Issue 2008-02-28 (IN) 

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