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Paper Abstract and Keywords
Presentation 2007-01-19 14:05
Scalable Performance Monitoring of VoIP Flows Exploiting Feature of Actual VoIP Flows
Yoshinori Kitatsuji (NICT), Satoshi Katsuno (KDDILABS), Katsuyuki Yamazaki (NagaokaUT), Masato Tsuru, Yuji Oie (KIT) IA2006-40
Abstract (in Japanese) (See Japanese page) 
(in English) Performance monitoring of VoIP traffic has become vital because users generally expect VoIP service quality that is as high as that of PSTN service. A method of extracting VoIP flows from Internet traffics with lightweight processing is proposed in this paper. Estimating delay variation and packet loss ratio using knowledge of specific features and characteristics of VoIP flows, i.e., inter-packet gap (IPG) which are constant in VoIP flows, is also proposed. Simulation of actual traffic is used to evaluate the method, and it is showed that delay variations (IPG variance) can be accurately estimated by monitoring only few percentage of all flows. The proposed method can be used as a first alert tool that monitors large amounts of flows to detect signs of VoIP flow performance degradation and alerts network operators if such signs are detected. The method can be used by ISP to estimate whether VoIP performance is adequate within their networks and at ingress from another ISPs.
Keyword (in Japanese) (See Japanese page) 
(in English) performance monitoring / VoIP / IP flow / delay variation / packet loss rate / Inter packet gap / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 465, IA2006-40, pp. 55-60, Jan. 2007.
Paper # IA2006-40 
Date of Issue 2007-01-11 (IA) 
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)
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Conference Information
Committee IA  
Conference Date 2007-01-18 - 2007-01-19 
Place (in Japanese) (See Japanese page) 
Place (in English) International Conference Center Hiroshima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet and Application, etc. 
Paper Information
Registration To IA 
Conference Code 2007-01-IA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Scalable Performance Monitoring of VoIP Flows Exploiting Feature of Actual VoIP Flows 
Sub Title (in English)  
Keyword(1) performance monitoring  
Keyword(2) VoIP  
Keyword(3) IP flow  
Keyword(4) delay variation  
Keyword(5) packet loss rate  
Keyword(6) Inter packet gap  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshinori Kitatsuji  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Satoshi Katsuno  
2nd Author's Affiliation KDDI R&D Laboratories Inc. (KDDILABS)
3rd Author's Name Katsuyuki Yamazaki  
3rd Author's Affiliation Nagaoka University of Technology (NagaokaUT)
4th Author's Name Masato Tsuru  
4th Author's Affiliation Kyushu Institute of Technology (KIT)
5th Author's Name Yuji Oie  
5th Author's Affiliation Kyushu Institute of Technology (KIT)
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Speaker Author-1 
Date Time 2007-01-19 14:05:00 
Presentation Time 25 minutes 
Registration for IA 
Paper # IA2006-40 
Volume (vol) vol.106 
Number (no) no.465 
Page pp.55-60 
#Pages 6 
Date of Issue 2007-01-11 (IA) 

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