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Paper Abstract and Keywords
Presentation 2014-03-06 11:00
High-Accuracy and High-Speed Calculation Method for Multi-layer Network Design Problem
Taiju Mikoshi, Koudai Takahashi, Toyofumi Takenaka (Nihon Univ.) NS2013-182
Abstract (in Japanese) (See Japanese page) 
(in English) Multi-layer network design, which excuses both light-path and IP routing designs at the same time, has attracted attention for IP over WDM network.
The solution of multi-layer network design problem can be obtained by solving a mixed integer linear programming~(MILP) problem.
However, the MILP problem for a large-scale network cannot be solved due to huge amount of variables used in the computation.
In order to cope with this problem, we proposed multi-layer space reduction method which excludes long hops routes at both lambda-layer
and IP-layer from the route candidates to reduce computation time.
However, when applying this method in case that the traffic volume is small, the calculation accuracy is relatively deteriorated.
In order to cope with this problem, we propose a novel improvement method which introduce a light-path ring for IP routes among all source-destination pairs.
This method includes route candidates on the light-path ring for the optimization.
We evaluate our proposed method by the computational experiments and show the effectiveness of our method.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-Layer Network Design / MILP / Light-path Ring / High-Speed Calculation / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 472, NS2013-182, pp. 31-36, March 2014.
Paper # NS2013-182 
Date of Issue 2014-02-27 (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)
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Conference Information
Committee NS IN  
Conference Date 2014-03-06 - 2014-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyazaki Seagia 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2014-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-Accuracy and High-Speed Calculation Method for Multi-layer Network Design Problem 
Sub Title (in English)  
Keyword(1) Multi-Layer Network Design  
Keyword(2) MILP  
Keyword(3) Light-path Ring  
Keyword(4) High-Speed Calculation  
1st Author's Name Taiju Mikoshi  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Koudai Takahashi  
2nd Author's Affiliation Nihon University (Nihon Univ.)
3rd Author's Name Toyofumi Takenaka  
3rd Author's Affiliation Nihon University (Nihon Univ.)
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Date Time 2014-03-06 11:00:00 
Presentation Time 20 
Registration for NS 
Paper # IEICE-NS2013-182 
Volume (vol) IEICE-113 
Number (no) no.472 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-NS-2014-02-27 

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