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Paper Abstract and Keywords
Presentation 2012-09-21 15:35
Hierarchical Scheduling Method for Optical Layer-2 Switch Network
Masahiro Nakagawa, Kyota Hattori, Naoki Kimishima, Masaru Katayama, Akira Misawa (NTT) NS2012-77
Abstract (in Japanese) (See Japanese page) 
(in English) We are developing an Optical Layer-2 Switch Network which utilize both WDM and TDM technologies in order to provide energy-saving and flexible metro networks. In this network, bandwidth of each TDM path is dynamically controlled in response to traffic fluctuation. Hence, it is necessary to execute time-slot scheduling of TDM paths as brief a period as possible. Since 10,000 paths reside in our assumed metro network, conventional scheduling method cannot be finished in a short time. We have developed hierarchical scheduling method in order to reduce the calculation time. However, this method is unsuitable for non-uniform or inhomogeneous traffic distribution. In this paper, we propose novel hierarchical scheduling method by taking into consideration the characteristics of optical layer-2 switch network in terms of traffic distribution. And we verify the effectiveness of our proposed method through numerical experiment.
Keyword (in Japanese) (See Japanese page) 
(in English) WDM/TDM Ring Network / Time-Slot Scheduling / Hierarchical Calculation / Grouping / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 208, NS2012-77, pp. 141-146, Sept. 2012.
Paper # NS2012-77 
Date of Issue 2012-09-13 (NS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 IN NS CS  
Conference Date 2012-09-20 - 2012-09-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. Research Institute of Electrical Communication 2gokan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Post IP Networking, Next Generation Network, Network Model, Internet Traffic, TCP/IP, Multimedia Communication, Network Management, Resource Management, Private Network, NW Security, etc. 
Paper Information
Registration To NS 
Conference Code 2012-09-IN-NS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hierarchical Scheduling Method for Optical Layer-2 Switch Network 
Sub Title (in English)  
Keyword(1) WDM/TDM Ring Network  
Keyword(2) Time-Slot Scheduling  
Keyword(3) Hierarchical Calculation  
Keyword(4) Grouping  
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1st Author's Name Masahiro Nakagawa  
1st Author's Affiliation NTT Corporation (NTT)
2nd Author's Name Kyota Hattori  
2nd Author's Affiliation NTT Corporation (NTT)
3rd Author's Name Naoki Kimishima  
3rd Author's Affiliation NTT Corporation (NTT)
4th Author's Name Masaru Katayama  
4th Author's Affiliation NTT Corporation (NTT)
5th Author's Name Akira Misawa  
5th Author's Affiliation NTT Corporation (NTT)
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Speaker Author-1 
Date Time 2012-09-21 15:35:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2012-77 
Volume (vol) vol.112 
Number (no) no.208 
Page pp.141-146 
#Pages
Date of Issue 2012-09-13 (NS) 


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