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Paper Abstract and Keywords
Presentation 2018-07-06 11:00
OpenFlow-based packet delay variation monitoring per link to efficiently locate deteriorated links
Shunya Nagata, Masato Tsuru (Kyutech) ICM2018-19
Abstract (in Japanese) (See Japanese page) 
(in English) In recent year, OpenFlow is becoming popular as a technology supporting cloud services and server virtualizations.Accordingly, in order to maintain a high quality of large-scale OpenFlow networks, active measurement-based real-time performance and status monitoring schemes have been studied.Our previous study focused on the packet loss rate of each link on an OpenFlow network as an indicator of communication quality.In this report, we focus on the packet delay variation as an indicator of communication quality and propose a method to efficiently monitor the packet delay variation of each link in both direction.In the proposed method, measurement packets are multicast-transferred traversing all links in both directions from a measurement terminal at a constant time interval and each switch acquires statistics of the arrival time interval of the measurement packets, which can be used to estimate the link packet delay variation.We also efficiently identify the links with large delay variations (larger than a threshold) by an appropriate order of retrieving the observed statistics from switches.Its effectiveness has been shown through simulation on a large-scale network topology.We also have investigated the impact of the position of the measurement terminal.
Keyword (in Japanese) (See Japanese page) 
(in English) OpenFlow / Network monitoring / Active measurement / Multicast / Packet delay variation / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 118, ICM2018-19, pp. 47-52, July 2018.
Paper # ICM2018-19 
Date of Issue 2018-06-28 (ICM) 
ISSN 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 ICM  
Conference Date 2018-07-05 - 2018-07-06 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICM 
Conference Code 2018-07-ICM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) OpenFlow-based packet delay variation monitoring per link to efficiently locate deteriorated links 
Sub Title (in English)  
Keyword(1) OpenFlow  
Keyword(2) Network monitoring  
Keyword(3) Active measurement  
Keyword(4) Multicast  
Keyword(5) Packet delay variation  
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1st Author's Name Shunya Nagata  
1st Author's Affiliation Kyushu Institute of Technology (Kyutech)
2nd Author's Name Masato Tsuru  
2nd Author's Affiliation Kyushu Institute of Technology (Kyutech)
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Speaker Author-1 
Date Time 2018-07-06 11:00:00 
Presentation Time 25 minutes 
Registration for ICM 
Paper # ICM2018-19 
Volume (vol) vol.118 
Number (no) no.118 
Page pp.47-52 
#Pages 6 
Date of Issue 2018-06-28 (ICM) 

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