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Paper Abstract and Keywords
Presentation 2013-06-21 11:20
Cost Reduction Achieved by Introducing Wavelength/Waveband Convertors in Hierarchical Optical Path Networks
Zhi-shu Shen, Hiroshi Hasegawa, Ken-ichi Sato (Nagoya Univ.) PN2013-5
Abstract (in Japanese) (See Japanese page) 
(in English) Hierarchical optical path networks that utilize wavebands are regarded as an effective architecture to cope with the expected traffic expansion in the future. However, the constraint that wavelength/waveband paths with the same wavelength/waveband index cannot share a fiber prevents from improving fiber utilization. This constraint can be alleviated by introducing wavelength/waveband convertors. However, the trade-off between the convertor cost and the fiber utilization ratio has not been quantitatively evaluated so far. In this work, we summarize our optical path network design algorithms for hierarchical optical path networks introducing either or both of wavelength and waveband convertors. The short computation time and the sub optimality of solutions make the proposed multi-stage ILPs or heuristics practical. Numerical experiments prove that by employing either or both types of wavelength convertor/waveband convertors, hierarchical optical path networks can be cost-effective over wide traffic demand ranges. The acceptable cost bounds of wavelength/waveband convertors are also presented.
Keyword (in Japanese) (See Japanese page) 
(in English) Hierarchical Optical Path Network / Network Design / Wavelength Convertor / Waveband Convertor / Cost Bound / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 91, PN2013-5, pp. 25-30, June 2013.
Paper # PN2013-5 
Date of Issue 2013-06-13 (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)
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Conference Information
Committee OCS PN NS  
Conference Date 2013-06-20 - 2013-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) College of Engineering, Nihon University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Core/metro system, Photonic network system, Optical network operation and administration, Optical network design, Traffic engineering, Signaling, GMPLS, Inter-domain route control, Network monitoring, Ethernet, Optical transport network(OTN), High-speed interface, Optical control(wavelength conversion/switching/routing), optical node technology, Optical crossconnect(OXC), Optical add/drop multiplexer(OADM), Optical multipxing/demultiplexing equipment, Optical signal processing, Optical swtiching device, etc 
Paper Information
Registration To PN 
Conference Code 2013-06-OCS-PN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Cost Reduction Achieved by Introducing Wavelength/Waveband Convertors in Hierarchical Optical Path Networks 
Sub Title (in English)  
Keyword(1) Hierarchical Optical Path Network  
Keyword(2) Network Design  
Keyword(3) Wavelength Convertor  
Keyword(4) Waveband Convertor  
Keyword(5) Cost Bound  
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Keyword(7)  
Keyword(8)  
1st Author's Name Zhi-shu Shen  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Hiroshi Hasegawa  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Ken-ichi Sato  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2013-06-21 11:20:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2013-5 
Volume (vol) vol.113 
Number (no) no.91 
Page pp.25-30 
#Pages 6 
Date of Issue 2013-06-13 (PN) 

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