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Paper Abstract and Keywords
Presentation 2018-12-13 14:45
Towards application of network topology information to network log causal anlaysis
Satoru Kobayashi (NII), Kazuki Otomo (Univ. Tokyo), Kensuke Fukuda (NII) IA2018-40
Abstract (in Japanese) (See Japanese page) 
(in English) To detect root causes of failures in large-scale networks, we need to extract contextual information from operational data automatically. Causal inference is one of the approaches to achieve it, but has a problem of enormous processing time with large-scale data. In this research, we propose a preprocessing method for PC algorithm, a causal structure estimation algorithm based on causal inference. We prune self-evidently failure causal edges from initial graph with a prior knowledge of network topology. With this preprocessing, we decrease 25% processing time of causal structure estimation of log data in nation-wide R&E network. We also show our method detects more useful information for troubleshooting compared to area-based existing method.
Keyword (in Japanese) (See Japanese page) 
(in English) System log / Causal inference / Pruning / Network topology / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 360, IA2018-40, pp. 1-8, Dec. 2018.
Paper # IA2018-40 
Date of Issue 2018-12-06 (IA) 
ISSN 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 IA2018-40

Conference Information
Committee IA IN  
Conference Date 2018-12-13 - 2018-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Performance Analysis and Simulation, Robustness, Traffic and Throughput Measurement, Quality of Service (QoS) Control, Congestion Control, Overlay Network/P2P, IPv6, Multicast, Routing, DDoS, etc. 
Paper Information
Registration To IA 
Conference Code 2018-12-IA-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Towards application of network topology information to network log causal anlaysis 
Sub Title (in English)  
Keyword(1) System log  
Keyword(2) Causal inference  
Keyword(3) Pruning  
Keyword(4) Network topology  
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1st Author's Name Satoru Kobayashi  
1st Author's Affiliation National Institute of Informatics (NII)
2nd Author's Name Kazuki Otomo  
2nd Author's Affiliation The university of Tokyo (Univ. Tokyo)
3rd Author's Name Kensuke Fukuda  
3rd Author's Affiliation National Institute of Informatics (NII)
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Speaker Author-1 
Date Time 2018-12-13 14:45:00 
Presentation Time 25 minutes 
Registration for IA 
Paper # IA2018-40 
Volume (vol) vol.118 
Number (no) no.360 
Page pp.1-8 
#Pages 8 
Date of Issue 2018-12-06 (IA) 

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