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Paper Abstract and Keywords
Presentation 2007-09-20 16:10
Online Network Observation to Detect Traffic Anomaly
Akinori Takahashi, Ryuji Igarashi (Akita Univ.), Hiroshi Ueda (Gunma Univ.), Yutaka Nasuno (TNCT), Yukio Iwaya, Tetsuo Kinoshita (Tohoku Univ.) NS2007-64
Abstract (in Japanese) (See Japanese page) 
(in English) In terms of network management or TE (Traffic Engineering), it is favorable to detect change trends immediately after flow changes are induced. In this work, an R/S analysis based Pox Diagram was made use of to detect the change trends. In case an abrupt change appears within a normal flow, a dispersion occurs in the Pox Diagram. To evaluate the dispersion the upper-most part and the lower-most part of plots group of a Pox Diagram were characterized into slopes as $H_{Sup}$ and $H_{Inf}$. With the time-dependent $H_{Sup}$ and $H_{Inf}$, namely $H_{Sup}(t)$ and $H_{Inf}(t)$, change points were successfully detected, thus supporting the preset proposal. The replacement of $H_{Sup}(t)$ and $H_{Inf}(t)$ were performed around every 0.5s, which appeals a real time application.
Keyword (in Japanese) (See Japanese page) 
(in English) Anomaly Detection / Hurst Papameter / Pox Diagram / Realtime Test / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 221, NS2007-64, pp. 57-62, Sept. 2007.
Paper # NS2007-64 
Date of Issue 2007-09-13 (NS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee NS CS IN  
Conference Date 2007-09-20 - 2007-09-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Overlay networks, VPN, DDos, network security, p2p communications, network software, etc. 
Paper Information
Registration To NS 
Conference Code 2007-09-NS-CS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Online Network Observation to Detect Traffic Anomaly 
Sub Title (in English)  
Keyword(1) Anomaly Detection  
Keyword(2) Hurst Papameter  
Keyword(3) Pox Diagram  
Keyword(4) Realtime Test  
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1st Author's Name Akinori Takahashi  
1st Author's Affiliation Akita University (Akita Univ.)
2nd Author's Name Ryuji Igarashi  
2nd Author's Affiliation Akita University (Akita Univ.)
3rd Author's Name Hiroshi Ueda  
3rd Author's Affiliation Gunma University (Gunma Univ.)
4th Author's Name Yutaka Nasuno  
4th Author's Affiliation Tomakomai National College of Technology (TNCT)
5th Author's Name Yukio Iwaya  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Tetsuo Kinoshita  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2007-09-20 16:10:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2007-64 
Volume (vol) vol.107 
Number (no) no.221 
Page pp.57-62 
#Pages
Date of Issue 2007-09-13 (NS) 


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