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Paper Abstract and Keywords
Presentation 2022-11-21 13:55
Massive & Passive RTT Estimation
Kaito Sawada (Keio), Ryo Nakamura (UTokyo), Keisuke Uehara (Keio) IA2022-39
Abstract (in Japanese) (See Japanese page) 
(in English) Quality of Experience (QoE) is important in Internet services, and Round Trip Time (RTT) is one of the indicators. While it is easy to measure the RTT from a host to many destinations. But, it is difficult for network administrators to know the RTT between a third-party user and the destination with which the user is communicating. In this study, we aimed to solve this problem by implementing an algorithm based on the TCP RTT measurement method devised by Hao Jiang et al. on a P4 switch. As a result, we implemented a function to measure the RTT between a source and a destination in traffic forwarded by a P4 switch and confirmed that it works. On the other hand, in an environment where the throughput performance of P4 switches is maximized, we found that there are issues due to the size of the SRAM in the hardware P4 switches.
Keyword (in Japanese) (See Japanese page) 
(in English) RTT / P4 / Quality of Experience / TCP / Backbone Network / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 268, IA2022-39, pp. 14-19, Nov. 2022.
Paper # IA2022-39 
Date of Issue 2022-11-14 (IA) 
ISSN 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 IA2022-39

Conference Information
Committee IA  
Conference Date 2022-11-21 - 2022-11-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Bandai Civic Hall (Niigata) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Sessions, etc. (cosponsored by Committee on Internet Technology) 
Paper Information
Registration To IA 
Conference Code 2022-11-IA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Massive & Passive RTT Estimation 
Sub Title (in English)  
Keyword(1) RTT  
Keyword(2) P4  
Keyword(3) Quality of Experience  
Keyword(4) TCP  
Keyword(5) Backbone Network  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kaito Sawada  
1st Author's Affiliation Keio University (Keio)
2nd Author's Name Ryo Nakamura  
2nd Author's Affiliation The University of Tokyo (UTokyo)
3rd Author's Name Keisuke Uehara  
3rd Author's Affiliation Keio University (Keio)
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Speaker Author-1 
Date Time 2022-11-21 13:55:00 
Presentation Time 25 minutes 
Registration for IA 
Paper # IA2022-39 
Volume (vol) vol.122 
Number (no) no.268 
Page pp.14-19 
#Pages 6 
Date of Issue 2022-11-14 (IA) 

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