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Paper Abstract and Keywords
Presentation 2007-04-24 12:05
A determination method of telecommunication network reliability with weighted unavailability
Hiroyuki Funakoshi, Tatsuya Matsukawa (NTT) CQ2007-14
Abstract (in Japanese) (See Japanese page) 
(in English) In IP networks, the period from the design to the deployment tends to shorten, and there are many replacements of equipment or updates software while operation. Therefore, network administration through operation and maintenance is more important to keep or improve the reliability economically. The author had been proposed a simple estimation method of the network reliability with outage scale. This result is consistent with existing formula to compute unavailability, however, this result does not take account of the social influence. Therefore, the author also proposed a discriminant method for network reliability using outage scale and inquiries by users with weight generated by outage time and traffic pattern and presented an example of social disservice, which is basic concept for the reliability design for telecommunication networks. In this paper, we propose a method to analyze the reliability condition for networks which uses the reliability model derived from social disservice and weighted estimation method based on mentioned above. Morever, the strength of proposed method through outage data analysis is also shown.
Keyword (in Japanese) (See Japanese page) 
(in English) reliability / unavailability / traffic pattern / social disservice / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 19, CQ2007-14, pp. 75-80, April 2007.
Paper # CQ2007-14 
Date of Issue 2007-04-16 (CQ) 
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)
Download PDF CQ2007-14

Conference Information
Committee CQ CS  
Conference Date 2007-04-23 - 2007-04-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Media Quality, Quality Evaluation Model, Reliability, Security, Quality of Ubiquitous/Broadband Networks, etc 
Paper Information
Registration To CQ 
Conference Code 2007-04-CQ-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A determination method of telecommunication network reliability with weighted unavailability 
Sub Title (in English)  
Keyword(1) reliability  
Keyword(2) unavailability  
Keyword(3) traffic pattern  
Keyword(4) social disservice  
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1st Author's Name Hiroyuki Funakoshi  
1st Author's Affiliation NTT Service Integration Laboratories. (NTT)
2nd Author's Name Tatsuya Matsukawa  
2nd Author's Affiliation NTT Service Integration Laboratories. (NTT)
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Speaker Author-1 
Date Time 2007-04-24 12:05:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2007-14 
Volume (vol) vol.107 
Number (no) no.19 
Page pp.75-80 
#Pages
Date of Issue 2007-04-16 (CQ) 


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