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Paper Abstract and Keywords
Presentation 2015-04-16 13:25
Evaluation of Network Configuration Architecture for Fast Path Recovery from Large Scale Failure in Backbone Networks
Hiroshi Yamamoto, Shohei Kamamura, Kouichi Genda (NTT), Yuki Koizumi, Shin'ichi Arakawa, Masayuki Murata (Osaka Univ.) NS2015-2
Abstract (in Japanese) (See Japanese page) 
(in English) Telecommunication services are required to continue serving even after a large-scale failure caused by a disaster. It is possible for carriers to continue providing telecommunication services by reconfiguring logical topologies even after the large-scale failure because the redundant equipment is available in their backbone networks. However, it may take long time to complete the reconfiguration when a large number of equipment are arranged and a large number of logical topologies are required to be reconfigured. To address this problem, our group proposed a novel network configuration architecture, which makes the reconfiguration time shorter by employing a hierarchical architecture with multiple controller and recovers amount of flowing traffic quickly by sorting the path recovery order in accordance with amount of traffic flowing on each path in descending order. In this paper, through practical experiments, we confirm that our network configuration architecture reduces the reconfiguration time to recover 80% of whole traffic by 1/7 in a network comprising 1,000 nodes per a domain.
Keyword (in Japanese) (See Japanese page) 
(in English) Large-scale Failure / Failure Recovery / Network Configuration / Practical Experiment / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 1, NS2015-2, pp. 7-12, April 2015.
Paper # NS2015-2 
Date of Issue 2015-04-09 (NS) 
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 NS2015-2

Conference Information
Committee NS  
Conference Date 2015-04-16 - 2015-04-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Hida-jibasan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Traffic, Network evaluation, Performance, Resource Management/Control, Traffic Engineering, Reliability, Resiliency 
Paper Information
Registration To NS 
Conference Code 2015-04-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Network Configuration Architecture for Fast Path Recovery from Large Scale Failure in Backbone Networks 
Sub Title (in English)  
Keyword(1) Large-scale Failure  
Keyword(2) Failure Recovery  
Keyword(3) Network Configuration  
Keyword(4) Practical Experiment  
1st Author's Name Hiroshi Yamamoto  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Shohei Kamamura  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Kouichi Genda  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Yuki Koizumi  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Shin'ichi Arakawa  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Masayuki Murata  
6th Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2015-04-16 13:25:00 
Presentation Time 25 
Registration for NS 
Paper # IEICE-NS2015-2 
Volume (vol) IEICE-115 
Number (no) no.1 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-NS-2015-04-09 

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