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Paper Abstract and Keywords
Presentation 2024-09-05 10:00
[Encouragement Talk] Improvement of RTT Fairness by BBR with Moderate Delivery Rate
Ryosuke Minami, Shotaro Ishikura, Miki Yamamoto (Kansai Univ.) NS2024-75
Abstract (in Japanese) (See Japanese page) 
(in English) BBR is a new TCP congestion control algorithm proposed by Google in 2016. Its original purpose is to operate at the ideal Kleinrock’s control point, but it has been reported that BBR fails to operate at this ideal point. Overestimation of estimated available bandwidth is the main reason for this behavior. We have proposed a new BBR modification, named BMR, which moderately regulates transmission rate in order to resolve this overestimation. BBR has also another technical problem, RTT fairness. The cause of RTT fairness is reported that stored packets at the bottleneck link depends on RTT of each bottleneck sharing flows. Our proposed BMR stores no queue at the bottleneck link because it can operate at the ideal control point. In this paper, we evaluate BMR from the viewpoint of RTT fairness. Our evaluation results show that flows with different RTTs have fair share throughput, which means BMR can resolve RTT fairness problem of BBR.
Keyword (in Japanese) (See Japanese page) 
(in English) Congestion Control / BBR / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 179, NS2024-75, pp. 1-5, Sept. 2024.
Paper # NS2024-75 
Date of Issue 2024-08-29 (NS) 
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 NS2024-75

Conference Information
Committee NS IN CS NV  
Conference Date 2024-09-05 - 2024-09-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Session management (SIP/IMS), Interoperability/Standardization, NGN/NwGN/Future networks, Cloud/Data center networks, SDN (OpenFlow, etc.)/NFV, IPv6, Machine learning, etc. 
Paper Information
Registration To NS 
Conference Code 2024-09-IN-NS-CS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of RTT Fairness by BBR with Moderate Delivery Rate 
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Keyword(1) Congestion Control  
Keyword(2) BBR  
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1st Author's Name Ryosuke Minami  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Shotaro Ishikura  
2nd Author's Affiliation Kansai University (Kansai Univ.)
3rd Author's Name Miki Yamamoto  
3rd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2024-09-05 10:00:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2024-75 
Volume (vol) vol.124 
Number (no) no.179 
Page pp.1-5 
#Pages 5 
Date of Issue 2024-08-29 (NS) 

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