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Paper Abstract and Keywords
Presentation 2023-12-15 11:45
A New BBR Sending Rate Calculation Resolving Overestimation of Bottleneck Bandwidth
Ryosuke Minami, Shotaro Ishikura, Miki Yamamoto (Kansai Univ.) NS2023-145
Abstract (in Japanese) (See Japanese page) 
(in English) A new congestion-based congestion control, BBR(Bottleneck Bandwidth and Round-trip propagation time)proposed by Google is expected to resolve bufferbloat problem. BBR is designed to operate at the optimal operating point proposed by Kleinrock where the maximum throughput can be obtained without any stored packet at a router buffer. In this paper, with simple analysis, we reveal that BBR increases its sending rate even when BBR flows utilize full available bandwidth. This means that BBR cannot operate at the optimal operating point and usually operates with queue at the bottleneck link. We propose a new BBR, BMR(BBR with Moderate Rate) which reduces transmission rate moderately in order to resolve overestimation of available bandwidth. Our simulation results show that BMR operates around the optimal operating point without any queue at the bottleneck link.
Keyword (in Japanese) (See Japanese page) 
(in English) BBR / congestion control / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 307, NS2023-145, pp. 113-118, Dec. 2023.
Paper # NS2023-145 
Date of Issue 2023-12-07 (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 NS2023-145

Conference Information
Committee NS RCS  
Conference Date 2023-12-14 - 2023-12-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology Tobata campus, and Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. 
Paper Information
Registration To NS 
Conference Code 2023-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A New BBR Sending Rate Calculation Resolving Overestimation of Bottleneck Bandwidth 
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Keyword(1) BBR  
Keyword(2) congestion control  
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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 2023-12-15 11:45:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2023-145 
Volume (vol) vol.123 
Number (no) no.307 
Page pp.113-118 
#Pages 6 
Date of Issue 2023-12-07 (NS) 

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