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Paper Abstract and Keywords
Presentation 2025-06-05 13:55
A Proposal for a Load Balancing Method Using Flow Splitting between End-Hosts in Data Center Networks
Yuriko Yoshino, Takayuki Fujiwara, Satoshi Nakatsukasa (NTT) NS2025-43
Abstract (in Japanese) (See Japanese page) 
(in English) Data Center Network (DC-NW) is a network for providing various applications such as cloud services, IoT, and AI. It is known that flows generated in DC-NWs have different characteristics from flows distributed in conventional networks, and congestion and packet loss caused by these characteristics are issues to be solved to improve application quality. One of them is that congestion is easily to occur by a long and large flow called elephant flow, which consumes a large amount of link bandwidth by itself. So, many traffic load balancing methods have been proposed to avoid such congestion in DC-NWs. However, many of them require sophisticated processing for network devices such as switches and routers, and there is a problem in terms of cost to realize DC-NWs using such devices. In this paper, we propose a method to avoid congestion between end hosts that generate and receive flows. In this method, an elephant flow is first divided into subflows with different 5-tuples at the sending host. Since a relay network device selects a route by hash calculation based on 5-tuple, it is expected that subflows with different 5-tuple are distributed to different routes. Our aim is that as a result, the original elephant flow is divided into multiple paths, leading to traffic load balancing and congestion avoidance. In the evaluation of the proposed method, it was shown that the proposed method improved the deviation of the link utilization ratio by about 20% compared with the case where only the route selection based on 5-tuple was performed, and that the improved method aimed at reducing the processing load of the proposed method showed almost the same effect.
Keyword (in Japanese) (See Japanese page) 
(in English) Data Center Network / Load Balancing / Flow Splitting / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 58, NS2025-43, pp. 2-7, June 2025.
Paper # NS2025-43 
Date of Issue 2025-05-29 (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 NS2025-43

Conference Information
Committee OCS NS PN  
Conference Date 2025-06-05 - 2025-06-06 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NS 
Conference Code 2025-06-OCS-NS-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Proposal for a Load Balancing Method Using Flow Splitting between End-Hosts in Data Center Networks 
Sub Title (in English)  
Keyword(1) Data Center Network  
Keyword(2) Load Balancing  
Keyword(3) Flow Splitting  
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1st Author's Name Yuriko Yoshino  
1st Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
2nd Author's Name Takayuki Fujiwara  
2nd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
3rd Author's Name Satoshi Nakatsukasa  
3rd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
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Speaker Author-1 
Date Time 2025-06-05 13:55:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2025-43 
Volume (vol) vol.125 
Number (no) no.58 
Page pp.2-7 
#Pages 6 
Date of Issue 2025-05-29 (NS) 

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