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Paper Abstract and Keywords
Presentation 2014-07-18 10:35
High-precise Delay Measurements of Prioritized Packets in Network Equipments
Takahisa Sekiguchi (Keio Univ.), Liang Zhang, Takao Okamawari (SOFTBANK MOBILE), Fumio Teraoka, Kunitake Kaneko (Keio Univ.) IN2014-42
Abstract (in Japanese) (See Japanese page) 
(in English) Highly precise time synchronization via network is required. Among various causes that make the precision of time synchronization via network worse, jitters of network equipments are the main cause. This paper focuses on IEEE 802.1p priority control , that does not specify the algorithm, in network switches and measured the jitter of prioritized packets in network switches in high precision. As a result, the measurements show that the jitter in some network switches is affected by priority. And, it shows that the priority control is not sufficient to achieve highly precise time synchronization over multiple network equipments.
Keyword (in Japanese) (See Japanese page) 
(in English) Time Synchronization / IEEE1588 / Jitter / Network equipments / Priority / IEEE802.1p / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 139, IN2014-42, pp. 71-76, July 2014.
Paper # IN2014-42 
Date of Issue 2014-07-10 (IN) 
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 IN2014-42

Conference Information
Committee IN NV  
Conference Date 2014-07-17 - 2014-07-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cloud Networking, SDN, OpenFlow, Virtual Private Network (VPN), Overlay Network/P2P, Network configuration, etc. 
Paper Information
Registration To IN 
Conference Code 2014-07-IN-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-precise Delay Measurements of Prioritized Packets in Network Equipments 
Sub Title (in English)  
Keyword(1) Time Synchronization  
Keyword(2) IEEE1588  
Keyword(3) Jitter  
Keyword(4) Network equipments  
Keyword(5) Priority  
Keyword(6) IEEE802.1p  
Keyword(7)  
Keyword(8)  
1st Author's Name Takahisa Sekiguchi  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Liang Zhang  
2nd Author's Affiliation SOFTBANK MOBILE Corp. (SOFTBANK MOBILE)
3rd Author's Name Takao Okamawari  
3rd Author's Affiliation SOFTBANK MOBILE Corp. (SOFTBANK MOBILE)
4th Author's Name Fumio Teraoka  
4th Author's Affiliation Keio University (Keio Univ.)
5th Author's Name Kunitake Kaneko  
5th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2014-07-18 10:35:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2014-42 
Volume (vol) vol.114 
Number (no) no.139 
Page pp.71-76 
#Pages 6 
Date of Issue 2014-07-10 (IN) 

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