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Paper Abstract and Keywords
Presentation 2015-11-17 14:55
Redundancy design of optical transport network considering failure impact and deployed volume for each components
Hiroshi Yamamoto, Hiroki Date, Shohei Kamamura, Rie Hayashi, Takahumi Hamano, Kouichi Genda, Yoshihiko Uematsu (NTT) PN2015-25
Abstract (in Japanese) (See Japanese page) 
(in English) The transport network consists of various types of components, which differ in the amount of accommodated traffic, the reliability, and the number of deployed components. Thus, it is essential for redundancy design of transport networks to select the suitable method, and adjust the degree of redundancy and maintenance condition considering the unavailability determined by the deployed number for each type of component. However, conventional designs have considered just link and node failure, and haven’t taken into account the failure for each component. In this paper, we analyze the potential of relaxation of maintenance condition by evaluating relationship between the amount of backup resource deployed in network and the end-to-end reliability of paths focusing on the failure for each component. As a result, we found that only quite small amount of backup resource is required to prevent impairment of redundancy even after occurrence of failure, if we are required to prepare only the failure of a transponder, of which the number deployed in network is quite huge.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Transport Network / Redundancy Design / Reliability Evaluation / JPN48 / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 312, PN2015-25, pp. 15-18, Nov. 2015.
Paper # PN2015-25 
Date of Issue 2015-11-10 (PN) 
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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF PN2015-25

Conference Information
Committee PN  
Conference Date 2015-11-17 - 2015-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Japan Women's Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Elastic Optical Networks, Flexible Networks, Optical Network Control/Protocol, Transport SDN, IP Backbone, SDM, Mode Division Multiplexing, Photonic Network Devices, JPN Model, EXAT, etc. 
Paper Information
Registration To PN 
Conference Code 2015-11-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Redundancy design of optical transport network considering failure impact and deployed volume for each components 
Sub Title (in English)  
Keyword(1) Optical Transport Network  
Keyword(2) Redundancy Design  
Keyword(3) Reliability Evaluation  
Keyword(4) JPN48  
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1st Author's Name Hiroshi Yamamoto  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Hiroki Date  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Shohei Kamamura  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Rie Hayashi  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
5th Author's Name Takahumi Hamano  
5th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
6th Author's Name Kouichi Genda  
6th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
7th Author's Name Yoshihiko Uematsu  
7th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker Author-1 
Date Time 2015-11-17 14:55:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2015-25 
Volume (vol) vol.115 
Number (no) no.312 
Page pp.15-18 
#Pages 4 
Date of Issue 2015-11-10 (PN) 

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