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Paper Abstract and Keywords
Presentation 2026-03-06 09:20
IP Network Path Control Using SRv6 with Consideration of QoS Characteristics in 5G Networks
Hirotada Takata, Chisa Takano, Hiroyasu Obata (Hiroshima City Univ.), Yasuhiro Ohishi (IIJ) IN2025-94
Abstract (in Japanese) (See Japanese page) 
(in English) In the fifth-generation mobile communication system (5G), QoS requirements are defined on a per-class basis, and flow-level communication control is performed within the network. On the other hand, in Data Networks
located outside the 5G Core Network, priority control and queue control based mainly on the DSCP are used, and consistent flow-level path control is not assumed. As a result, there is a challenge in that the intent of the QoS control defined in 5G is not reflected in path selection on the Data Network side. In this study, to address this issue, we propose a method that conveys the IPv6 Flow Label to the Data Network as a flow identifier based on 5G QoS indicators (5QI) and utilizes it for path control using SRv6. By using the Flow Label, the proposed method enables consistent path selection on a per-flow basis, unlike hop-by-hop control based on DSCP. Based on the proposedmethod, an end-to-end system including a 5G Core Network and a Data Network was constructed, and its design and implementation were carried out. Furthermore, a comparative evaluation with path control based on the widely used OSPFv3 was conducted, confirming that path selection according to QoS characteristics of 5G is possible. This study presents an implementation example that enables the QoS characteristics of 5G to be directly reflected in Data Network path control and provides one design guideline for QoS-oriented end-to-end path control.
Keyword (in Japanese) (See Japanese page) 
(in English) 5QI / QoS / IPv6 Flow Label / SRv6 / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 386, IN2025-94, pp. 192-197, March 2026.
Paper # IN2025-94 
Date of Issue 2026-02-25 (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 IN2025-94

Conference Information
Committee IN NS  
Conference Date 2026-03-04 - 2026-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Ken Shichoson Jichi Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To IN 
Conference Code 2026-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) IP Network Path Control Using SRv6 with Consideration of QoS Characteristics in 5G Networks 
Sub Title (in English)  
Keyword(1) 5QI  
Keyword(2) QoS  
Keyword(3) IPv6 Flow Label  
Keyword(4) SRv6  
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1st Author's Name Hirotada Takata  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Chisa Takano  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
3rd Author's Name Hiroyasu Obata  
3rd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
4th Author's Name Yasuhiro Ohishi  
4th Author's Affiliation Internet Initiative Japan Inc. (IIJ)
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Speaker Author-1 
Date Time 2026-03-06 09:20:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2025-94 
Volume (vol) vol.125 
Number (no) no.386 
Page pp.192-197 
#Pages 6 
Date of Issue 2026-02-25 (IN) 

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