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Paper Abstract and Keywords
Presentation 2013-01-25 12:05
An Economic Impact Evaluation of Telecom Service Disruptions
Yasuto Nakanishi, Shuichi Karasawa, Hiroyuki Funakoshi, Yasunori Matsubayashi (NTT) NS2012-159
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, Telecom service permeates all levels of our lives and roots deeply as a social infrastructure. Therefore，the social influence of telecom service disruptions is increasing. Telecom service providers have a responsibility to raise reliability so that it may not be disrupted. They must quantify the social influence to decide how frequent the occurrence of telecom service disruptions they should suppress. There are some studies about quantification of the social influence of telecom service disruptions in the past. For example, the conceptual measure of the social disservice and the number of user inquiries.
On the other hand, precedent studies on social infrastructure disruptions include the influence evaluation of lifeline disruptions by natural disasters. In this paper, we proposed to adopt the economic impact as a measure of the social influence of telecom service disruptions and to evaluate it using the Cobb-Douglas production function. The influence of service disruptions is expressed as the loss of the labor input in the Cobb-Douglas function by means of the Resilience Factor. As the result, the economic impact can be calculated as the difference in the production of telecom service disruptions duration and normal duration. Moreover, when we suppose to fix the duration of telecom service disruptions, we show that the economic impact can be approximated as a linear function of the number of users suffered by the disruptions.
Keyword (in Japanese) (See Japanese page) 
(in English) Reliability / Economic Impact / Telecom Service / Social Influence / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 392, NS2012-159, pp. 105-110, Jan. 2013.
Paper # NS2012-159 
Date of Issue 2013-01-17 (NS) 
ISSN Print edition: ISSN 0913-5685    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 NS2012-159

Conference Information
Committee NS  
Conference Date 2013-01-24 - 2013-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Software, Network Application, SOA/SDP, NGN, IMS, API, Grid 
Paper Information
Registration To NS 
Conference Code 2013-01-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Economic Impact Evaluation of Telecom Service Disruptions 
Sub Title (in English)  
Keyword(1) Reliability  
Keyword(2) Economic Impact  
Keyword(3) Telecom Service  
Keyword(4) Social Influence  
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1st Author's Name Yasuto Nakanishi  
1st Author's Affiliation NTT (NTT)
2nd Author's Name Shuichi Karasawa  
2nd Author's Affiliation NTT (NTT)
3rd Author's Name Hiroyuki Funakoshi  
3rd Author's Affiliation NTT (NTT)
4th Author's Name Yasunori Matsubayashi  
4th Author's Affiliation NTT (NTT)
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Speaker Author-1 
Date Time 2013-01-25 12:05:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2012-159 
Volume (vol) vol.112 
Number (no) no.392 
Page pp.105-110 
#Pages 6 
Date of Issue 2013-01-17 (NS) 

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