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Paper Abstract and Keywords
Presentation 2025-05-16 14:05
Experimental Evaluation of Bottleneck Aware Path Schedulers for Multipath TCP Video Streaming
Daiki Nobayashi, Yosuke Komatsu, Dirceu Cavendish, Takeshi Ikenaga (Kyutech) NS2025-32
Abstract (in Japanese) (See Japanese page) 
(in English) Video streaming makes most of Internet traffic nowadays, with most video applications transported over Hypertext Transfer Protocol/Transmission Control Protocol (HTTP/TCP). Being the predominant transport protocol, TCP stack performance in transporting video streams plays an important role, especially with regard to MultiPath Transmission Control Protocol (MPTCP) and multiple client device interfaces currently available. One overlooked aspect of multipath transport is the management of all possible paths between sender and receiver endpoints. In this research, we study the usage of all possible paths created by MPTCP vis a vis video streaming performance on wired networking environments. We show that a fullmesh path usage may result in degraded video streaming performance due to common bottlenecks between paths under a simple (default) path scheduler. We then propose a bottleneck aware path scheduler, and show its superior performance on various multipath scenarios. Our results cover both Bottleneck Bandwidth and Round-trip (BBR) propagation time TCP variant, as well as CUBIC variant in transporting video streams over wired networks. We use network performance level, as well as video quality level metrics to characterize quality of video streaming over TCP variants.
Keyword (in Japanese) (See Japanese page) 
(in English) Video Streaming / Congestion Control Algorithm / Multipath TCP / TCP BBR / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 24, NS2025-32, pp. 94-99, May 2025.
Paper # NS2025-32 
Date of Issue 2025-05-08 (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 NS2025-32

Conference Information
Committee NS  
Conference Date 2025-05-15 - 2025-05-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) High level protocol, Networking technologies (IP and high-layer routing/filtering, Multicast, Quality/Routing control), IP network application technologies (P2P, P4P, Overlay, SIP, NGN), Network system related technologies (System configuration, Interface, Architecture, Hardware/Software/Middleware), Security, Blockchain etc. 
Paper Information
Registration To NS 
Conference Code 2025-05-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Evaluation of Bottleneck Aware Path Schedulers for Multipath TCP Video Streaming 
Sub Title (in English)  
Keyword(1) Video Streaming  
Keyword(2) Congestion Control Algorithm  
Keyword(3) Multipath TCP  
Keyword(4) TCP BBR  
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1st Author's Name Daiki Nobayashi  
1st Author's Affiliation Kyushu Institute of Technology (Kyutech)
2nd Author's Name Yosuke Komatsu  
2nd Author's Affiliation Kyushu Institute of Technology (Kyutech)
3rd Author's Name Dirceu Cavendish  
3rd Author's Affiliation Kyushu Institute of Technology (Kyutech)
4th Author's Name Takeshi Ikenaga  
4th Author's Affiliation Kyushu Institute of Technology (Kyutech)
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Speaker Author-1 
Date Time 2025-05-16 14:05:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2025-32 
Volume (vol) vol.125 
Number (no) no.24 
Page pp.94-99 
#Pages 6 
Date of Issue 2025-05-08 (NS) 

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