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Paper Abstract and Keywords
Presentation 2010-07-15 16:10
Research of Performance Predictin Technology for Power Saving Routers
Masaki Yamada, Minoru Hidaka, Takeki Yazaki, Yuichi Ishikawa (Hitachi) NS2010-41
Abstract (in Japanese) (See Japanese page) 
(in English) According to the increasing power consumption of network equipment, a demand for reducing the power consumption of network routers exists. We suggest a power saving method by controlling the performance of the router to a suitable amount by referring the amount of received network traffic. The assignment of our method is to take balance between preventing the lack of quality of service and improving the efficiency of power saving. In this study, we have evaluated two algorithms by using real measured traffic. One algorithm is the long term fluctuation algorithm, which predicts the suitable performance by measured traffic over a past month. The other algorithm is the short term fluctuation feedback algorithm, which enables a real-time performance prediction according to the parameters measured inside the router, such as the amount of packets held inside the buffer of the router. As a result of the evaluation, a router adopting the short term fluctuation feedback algorithm was successful in reducing 33% more forwarding performance compared to a router adopting the burst detecting algorithm. We also evaluated the effect of the delay time of the forwarding performance to actually change since the suitable performance is detected, and met a conclusion that the delay time effects over the drop rate and the delay time of the packets been forwarded by the router.
Keyword (in Japanese) (See Japanese page) 
(in English) Dynamic performance control / Power saving / Traffic monitoring / Traffic Prediction methods / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 126, NS2010-41, pp. 17-22, July 2010.
Paper # NS2010-41 
Date of Issue 2010-07-08 (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 RCS NS  
Conference Date 2010-07-15 - 2010-07-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Abashiri Public Auditorium 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Fixed/Wireless Network, Hand Over, Distributed MIMO, Mobile Ad-hoc Network 
Paper Information
Registration To NS 
Conference Code 2010-07-RCS-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Research of Performance Predictin Technology for Power Saving Routers 
Sub Title (in English)  
Keyword(1) Dynamic performance control  
Keyword(2) Power saving  
Keyword(3) Traffic monitoring  
Keyword(4) Traffic Prediction methods  
1st Author's Name Masaki Yamada  
1st Author's Affiliation Hitachi Ltd. (Hitachi)
2nd Author's Name Minoru Hidaka  
2nd Author's Affiliation Hitachi Ltd. (Hitachi)
3rd Author's Name Takeki Yazaki  
3rd Author's Affiliation Hitachi Ltd. (Hitachi)
4th Author's Name Yuichi Ishikawa  
4th Author's Affiliation Hitachi Ltd. (Hitachi)
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Date Time 2010-07-15 16:10:00 
Presentation Time 20 
Registration for NS 
Paper # IEICE-NS2010-41 
Volume (vol) IEICE-110 
Number (no) no.126 
Page pp.17-22 
#Pages IEICE-6 
Date of Issue IEICE-NS-2010-07-08 

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