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Paper Abstract and Keywords
Presentation 2026-08-06 14:35
A Study on the Effect of Bandwidth-Aware Autonomous Container Image Downloading and Sharing in Task Scheduling
Tengfei Sun, Hidehiro Kanemitsu, Hidenori Nakazato (WAS) IN2026-22
Abstract (in Japanese) (See Japanese page) 
(in English) In containerized cloud environments, container image acquisition affects task start times and overall makespan, especially when multiple transfers compete for bandwidth. This paper considers a setting in which a task can obtain its required image either from a remote repository or from another host that already stores the same image. The proposed NHEFT scheduler autonomously chooses between these two image-acquisition paths and estimates the resulting image-ready time while explicitly considering bandwidth contention among concurrent transfers. We compare HEFT, DHEFT, and NHEFT under different levels of total communication intensity and under different relationships between data communication and image communication. The results suggest that the bandwidth-aware strategy tends to improve makespan mainly in communication-heavy conditions, especially when image communication occupies a larger share of the total communication cost and the required container image sizes are larger, but this gain is accompanied by the use of more computational resources.
Keyword (in Japanese) (See Japanese page) 
(in English) Workflow Scheduling / Container Image Acquisition / Bandwidth Contention / Image Reuse / HEFT / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 144, IN2026-22, pp. 48-54, Aug. 2026.
Paper # IN2026-22 
Date of Issue 2026-07-30 (IN) 
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 IN2026-22

Conference Information
Committee IN CCS  
Conference Date 2026-08-06 - 2026-08-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Sapporo Educaton and Culture Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Science, Future Network, Cloud/SDN/Virtualization, Contents Delivery/Contents Exchange, and others 
Paper Information
Registration To IN 
Conference Code 2026-08-IN-CCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on the Effect of Bandwidth-Aware Autonomous Container Image Downloading and Sharing in Task Scheduling 
Sub Title (in English)  
Keyword(1) Workflow Scheduling  
Keyword(2) Container Image Acquisition  
Keyword(3) Bandwidth Contention  
Keyword(4) Image Reuse  
Keyword(5) HEFT  
Keyword(6)  
Keyword(7)  
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1st Author's Name Tengfei Sun  
1st Author's Affiliation Waseda University (WAS)
2nd Author's Name Hidehiro Kanemitsu  
2nd Author's Affiliation Waseda University (WAS)
3rd Author's Name Hidenori Nakazato  
3rd Author's Affiliation Waseda University (WAS)
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Speaker Author-1 
Date Time 2026-08-06 14:35:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2026-22 
Volume (vol) vol.126 
Number (no) no.144 
Page pp.48-54 
#Pages 7 
Date of Issue 2026-07-30 (IN) 

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