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Paper Abstract and Keywords
Presentation 2014-01-28 15:50
A Case for Low-Power Networks using FSO and On/Off Links
Tomoya Ozaki (Keio Univ.), Michihiro Koibuchi (NII), Hideharu Amano, Hiroki Matsutani (Keio Univ.) VLD2013-114 CPSY2013-85 RECONF2013-68
Abstract (in Japanese) (See Japanese page) 
(in English) Power consumption of interconnection networks incrases as the scale of supercomputers and high-end datacenters increases. To reduce network power consumption, on/off link control schemes that stop unnecessary or low-load have links have been proposed. Since conventional on/off link schemes introduce performance degradation due to inactive links, in this paper, we propose to use Free Space Optics (FSO) that can dynamically establish shortcut links between any pair of links so as to compensate for the performance degradation due to inactive links and further increase the
performance. Evaluation results show that the proposed on/off scheme that selects FSO-based shortcut links and inactive link based on application
traffic patterns improves the communication latency by 5.9% and reduce network power consumption by 40%.
Keyword (in Japanese) (See Japanese page) 
(in English) Free Space Optical (FSO) Communication / Low-power technique / network topology / on/off link regulation / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 417, CPSY2013-85, pp. 73-78, Jan. 2014.
Paper # CPSY2013-85 
Date of Issue 2014-01-21 (VLD, CPSY, RECONF) 
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)
Download PDF VLD2013-114 CPSY2013-85 RECONF2013-68

Conference Information
Committee IPSJ-SLDM CPSY RECONF VLD  
Conference Date 2014-01-28 - 2014-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiyoshi Campus, Keio University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) FPGA Applications, etc 
Paper Information
Registration To CPSY 
Conference Code 2014-01-SLDM-CPSY-RECONF-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Case for Low-Power Networks using FSO and On/Off Links 
Sub Title (in English)  
Keyword(1) Free Space Optical (FSO) Communication  
Keyword(2) Low-power technique  
Keyword(3) network topology  
Keyword(4) on/off link regulation  
Keyword(5)  
Keyword(6)  
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1st Author's Name Tomoya Ozaki  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Michihiro Koibuchi  
2nd Author's Affiliation National Institute of Informatics (NII)
3rd Author's Name Hideharu Amano  
3rd Author's Affiliation Keio University (Keio Univ.)
4th Author's Name Hiroki Matsutani  
4th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2014-01-28 15:50:00 
Presentation Time 25 minutes 
Registration for CPSY 
Paper # VLD2013-114, CPSY2013-85, RECONF2013-68 
Volume (vol) vol.113 
Number (no) no.416(VLD), no.417(CPSY), no.418(RECONF) 
Page pp.73-78 
#Pages 6 
Date of Issue 2014-01-21 (VLD, CPSY, RECONF) 

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