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Paper Abstract and Keywords
Presentation 2009-11-12 13:40
Network reliability evaluation for managing maintenance time
Tatsuya Matsukawa, Hiroyuki Funakoshi (NTT) CQ2009-44
Abstract (in Japanese) (See Japanese page) 
(in English) The level of network reliability has to be achieved not only in the network-design phase but also in the network-operation phase because the period from the design to the deployment tends to shorten in IP networks. In our previous studies, some methods for estimating the level of network reliability for users have been proposed using failure data. In order to manage the level of reliability in carrier-grade network efficiently, the effects of failures on network operation have to be evaluated in addition to those on users. Therefore, in this paper, a procedure to evaluate the effects of failures on users and network operation is described. The feasibility of the proposed method is verified by using the network outage data. Moreover, we consider the effectiveness of the proposed procedure for determining the actions for improving the level of network reliability, and clarify the future issues.
Keyword (in Japanese) (See Japanese page) 
(in English) reliability / evaluation / failure / severity / frequency / maintenance time / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 274, CQ2009-44, pp. 33-38, Nov. 2009.
Paper # CQ2009-44 
Date of Issue 2009-11-05 (CQ) 
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)
Download PDF CQ2009-44

Conference Information
Committee CQ NS ICM  
Conference Date 2009-11-12 - 2009-11-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Institute of Technology (Ishikawa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) NGN and NwGN Architecture, Traffic Measurement and Control, Quality of Service, Network Management, general areas 
Paper Information
Registration To CQ 
Conference Code 2009-11-CQ-NS-ICM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Network reliability evaluation for managing maintenance time 
Sub Title (in English)  
Keyword(1) reliability  
Keyword(2) evaluation  
Keyword(3) failure  
Keyword(4) severity  
Keyword(5) frequency  
Keyword(6) maintenance time  
1st Author's Name Tatsuya Matsukawa  
1st Author's Affiliation NTT Service Integration Laboratories, (NTT)
2nd Author's Name Hiroyuki Funakoshi  
2nd Author's Affiliation NTT Service Integration Laboratories, (NTT)
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Date Time 2009-11-12 13:40:00 
Presentation Time 20 
Registration for CQ 
Paper # IEICE-CQ2009-44 
Volume (vol) IEICE-109 
Number (no) no.274 
Page pp.33-38 
#Pages IEICE-6 
Date of Issue IEICE-CQ-2009-11-05 

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