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Paper Abstract and Keywords
Presentation 2011-11-07 15:40
Optical Node Architecture with Separated Add/Drop Switches Considering Colorless, Directionless, Contentionless Capabilities
Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato (Nagoya Univ.) PN2011-26
Abstract (in Japanese) (See Japanese page) 
(in English) Deployment of single layer optical path networks that handle wavelength channels as a single entity is advancing because of continually traffic increase and low power consumption. Hierarchical optical path network that adopts waveband is recognized as a key technology to suppress the optical switch size and to meet the expected traffic expansion in the near future. For both single layer and hierarchical optical path networks, a large part of switches is devoted to realize add/drop operations for originating/terminating paths at nodes. In this paper, we propose new hierarchical optical node architectures that separate add/drop switches from the cross-connect part for routing and reconfiguration of optical paths. The proposed node architecture can not only reduce the total size of the cross-connect part but also minimize the add/drop switch scale for realizing colorless/ directionless/contentionless capabilities by introducing a novel switch configuration based on waveband routing. Numerical results show that the proposed hierarchical node architecture can attain 45% switch size reduction at a maximum.
Keyword (in Japanese) (See Japanese page) 
(in English) Colorless/Directionless/Contentionless / Optical Node Architecture / Hierarchical Optical Path Network / Waveband / Waveband Add/Drop Ratio / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 274, PN2011-26, pp. 19-23, Nov. 2011.
Paper # PN2011-26 
Date of Issue 2011-10-31 (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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF PN2011-26

Conference Information
Committee PN  
Conference Date 2011-11-07 - 2011-11-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Inst. of Tech. (Seiichi Teshima Memorial Meeting Room) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PN 
Conference Code 2011-11-PN 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optical Node Architecture with Separated Add/Drop Switches Considering Colorless, Directionless, Contentionless Capabilities 
Sub Title (in English)  
Keyword(1) Colorless/Directionless/Contentionless  
Keyword(2) Optical Node Architecture  
Keyword(3) Hierarchical Optical Path Network  
Keyword(4) Waveband  
Keyword(5) Waveband Add/Drop Ratio  
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1st Author's Name Yoshiyuki Yamada  
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
Date Time 2011-11-07 15:40:00 
Presentation Time 25 
Registration for PN 
Paper # IEICE-PN2011-26 
Volume (vol) IEICE-111 
Number (no) no.274 
Page pp.19-23 
#Pages IEICE-5 
Date of Issue IEICE-PN-2011-10-31 


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