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Paper Abstract and Keywords
Presentation 2023-03-02 10:20
Competitive Service Chaining among Service Brokers in NFV Networks
Ryohei Kokura, Masahiro Sasabe, Shoji Kasahara (NAIST) NS2022-172
Abstract (in Japanese) (See Japanese page) 
(in English) Running network functions as software on generic hardware is a promising technology called network functions virtualization (NFV). In NFV networks, a network service can be realized as a service chain, which is a sequence of VNFs. When a new service chain request arrives at the NFV network, an NFV orchestrator solves a service chaining problem by constructing a special path, called a service path, from the source to destination, which satisfies both the capacity constraints on nodes and links as well as executing the VNFs in order. In this paper, focusing on the situations with multiple service brokers, we propose competitive service chaining. In particular, we consider two kinds of service chaining: One is selfish service chaining where each service broker tries to select a service path to minimize its own service path delay and another is cooperative service chaining where each broker aims at optimizing the overall system performance. Through simulation experiments, we reveal that (1) both of them almost show the same performance under low network load and (2) the cooperative service chaining can achieve lower service path delay than the selfish one under high network load.
Keyword (in Japanese) (See Japanese page) 
(in English) Network functions virtualization / competitive service chaining / service path delay / game theory / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 406, NS2022-172, pp. 31-36, March 2023.
Paper # NS2022-172 
Date of Issue 2023-02-23 (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 NS2022-172

Conference Information
Committee IN NS  
Conference Date 2023-03-02 - 2023-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Centre + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2023-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Competitive Service Chaining among Service Brokers in NFV Networks 
Sub Title (in English)  
Keyword(1) Network functions virtualization  
Keyword(2) competitive service chaining  
Keyword(3) service path delay  
Keyword(4) game theory  
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1st Author's Name Ryohei Kokura  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Masahiro Sasabe  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Shoji Kasahara  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2023-03-02 10:20:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2022-172 
Volume (vol) vol.122 
Number (no) no.406 
Page pp.31-36 
#Pages 6 
Date of Issue 2023-02-23 (NS) 

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