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Paper Abstract and Keywords
Presentation 2017-03-02 11:40
A Study of Vulnerability of Campus-wide Information Communication Networks Considering Dependency on Power Distribution Networks
Yukio Ogawa (Muroran IT), Go Hasegawa, Masayuki Murata (Osaka Univ.) IN2016-104
Abstract (in Japanese) (See Japanese page) 
(in English) Information communication networks depend on power delivery from power distribution networks. We therefore evaluate vulnerability of information communication networks when power distribution networks partly/completely stop power supply. We first describe a topology model of the power distribution network in campus buildings from the perspective of power failure domains, and propose the vulnerability of the corresponding information communication network, in which the metric is the bandwidth of system-wide traffic flows. We then evaluate the vulnerability of a campus-wide information communication network. The results indicate that, in the case when all traffic flows concentrate in a data center, the probability of high vulnerability (which blocks all the communications) reaches 0.01 but this is improved by applying UPSs to the servers and their neighbor switches in the data center. On the other hand, in the case when traffic flows are distributed to each room in the campus, the probability is 0.003 but this vulnerability is little improved by applying more than a hundred of UPSs.
Keyword (in Japanese) (See Japanese page) 
(in English) power distribution network / campus-wide information communication network / dependency / vulnerability / UPS / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 485, IN2016-104, pp. 43-48, March 2017.
Paper # IN2016-104 
Date of Issue 2017-02-23 (IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 IN  
Conference Date 2017-03-02 - 2017-03-03 
Place (in Japanese) (See Japanese page) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To IN 
Conference Code 2017-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of Vulnerability of Campus-wide Information Communication Networks Considering Dependency on Power Distribution Networks 
Sub Title (in English)  
Keyword(1) power distribution network  
Keyword(2) campus-wide information communication network  
Keyword(3) dependency  
Keyword(4) vulnerability  
Keyword(5) UPS  
1st Author's Name Yukio Ogawa  
1st Author's Affiliation Muroran Institute of Technology (Muroran IT)
2nd Author's Name Go Hasegawa  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Masayuki Murata  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2017-03-02 11:40:00 
Presentation Time 20 
Registration for IN 
Paper # IEICE-IN2016-104 
Volume (vol) IEICE-116 
Number (no) no.485 
Page pp.43-48 
#Pages IEICE-6 
Date of Issue IEICE-IN-2017-02-23 

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