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Paper Abstract and Keywords
Presentation 2025-11-14 11:35
A Survey on VNF Placement and Traffic Routing in LEO Satellite Networks
Dabeen Yun, Soohyeong Kim, Jiseung Youn, Donghyun Kim, Seogwon Kim (Hanyang Univ.), Sunghyun Cho (Hanyang Univ. ERICA) SANE2025-70
Abstract (in Japanese) (See Japanese page) 
(in English) The deployment of Virtual Network Functions (VNFs) in Low Earth Orbit (LEO) satellites has emerged as a key enabler for diverse service and has attracted significant research attention. Among these, VNF Placement and Traffic Routing (VPTR) has been studied. However, VPTR remains challenging because placement decisions constrain feasible routes, while routing decisions influence the utilization of deployed VNFs. To address this problem, existing studies are classified into centralized and distributed approaches, reflecting a trade-off between throughput and the load of information exchange. These considerations motivate hybrid VPTR as the natural direction and this survey organizes the evidence behind that intuition.
Keyword (in Japanese) (See Japanese page) 
(in English) LEO Satellite / Space service function chaining / SDN/NFV in space / VNF placement and Traffic Routing / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 245, SANE2025-70, pp. 94-98, Nov. 2025.
Paper # SANE2025-70 
Date of Issue 2025-11-06 (SANE) 
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)
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Conference Information
Committee SANE  
Conference Date 2025-11-13 - 2025-11-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Ajou University, Republic of Korea 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ICSANE 
Paper Information
Registration To SANE 
Conference Code 2025-11-SANE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Survey on VNF Placement and Traffic Routing in LEO Satellite Networks 
Sub Title (in English)  
Keyword(1) LEO Satellite  
Keyword(2) Space service function chaining  
Keyword(3) SDN/NFV in space  
Keyword(4) VNF placement and Traffic Routing  
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Keyword(6)  
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1st Author's Name Dabeen Yun  
1st Author's Affiliation Hanyang University (Hanyang Univ.)
2nd Author's Name Soohyeong Kim  
2nd Author's Affiliation Hanyang University (Hanyang Univ.)
3rd Author's Name Jiseung Youn  
3rd Author's Affiliation Hanyang University (Hanyang Univ.)
4th Author's Name Donghyun Kim  
4th Author's Affiliation Hanyang University (Hanyang Univ.)
5th Author's Name Seogwon Kim  
5th Author's Affiliation Hanyang University (Hanyang Univ.)
6th Author's Name Sunghyun Cho  
6th Author's Affiliation Hanyang University, ERICA (Hanyang Univ. ERICA)
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Speaker Author-1 
Date Time 2025-11-14 11:35:00 
Presentation Time 15 minutes 
Registration for SANE 
Paper # SANE2025-70 
Volume (vol) vol.125 
Number (no) no.245 
Page pp.94-98 
#Pages 5 
Date of Issue 2025-11-06 (SANE) 

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