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Paper Abstract and Keywords
Presentation 2011-03-04 09:50
The Method for detecting Silent failures in Virtual Networks
Nobuyuki Nakamura, Satoshi Ikada (OKI) IN2010-182
Abstract (in Japanese) (See Japanese page) 
(in English) Now we have lots of opportunities to use the Virtual Network technologies like VPN, Cloud, etc. These virtual networks treat many kind of application flows (which are VoIP, MoIP, and data transition), and exchange a huge amount of traffic. However for the internet (as an under layer network) they are only Virtual Network’s data packets and the internet operators can’t know what type of traffic they transferred. Moreover Virtual Network technologies may have autonomous self-organization functions, so they can avoid the internet’s silent failures and some kind of quality degradations to keep their network good. Thus we need the method to estimate the quality parameters (jitter and lost packets) from such data flows at the point of gateway equipments and the method to infer the silent failure points from the estimated quality parameters, estimated Virtual Network’s re-route, and network tomography. In this paper, we propose these methods and evaluate whether the estimating quality parameters are used as the useful quality parameters or not.
Keyword (in Japanese) (See Japanese page) 
(in English) Virtual Network / QoS Degradation / Silent Failures / Network Tomography / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 449, IN2010-182, pp. 229-234, March 2011.
Paper # IN2010-182 
Date of Issue 2011-02-24 (IN) 
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  
Conference Date 2011-03-03 - 2011-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General, NS+IN workshop (March 3-4) 
Paper Information
Registration To IN 
Conference Code 2011-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The Method for detecting Silent failures in Virtual Networks 
Sub Title (in English)  
Keyword(1) Virtual Network  
Keyword(2) QoS Degradation  
Keyword(3) Silent Failures  
Keyword(4) Network Tomography  
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1st Author's Name Nobuyuki Nakamura  
1st Author's Affiliation Oki Electric Industry Co.,Ltd. (OKI)
2nd Author's Name Satoshi Ikada  
2nd Author's Affiliation Oki Electric Industry Co.,Ltd. (OKI)
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Speaker Author-1 
Date Time 2011-03-04 09:50:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2010-182 
Volume (vol) vol.110 
Number (no) no.449 
Page pp.229-234 
#Pages
Date of Issue 2011-02-24 (IN) 


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