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Paper Abstract and Keywords
Presentation 2023-03-02 10:00
Resource-Efficient and Availability-Aware Virtual Network Function Placement and Service Chaining with Virtual Network Function Diversity and Redundancy
Kento Sugihara, Takanori Hara, Masahiro Sasabe, Shoji Kasahara (NAIST) NS2022-167
Abstract (in Japanese) (See Japanese page) 
(in English) To realize network services in the NFV network, we first construct a service chain graph which consists of virtual nodes representing virtual network functions (VNFs) and virtual links connecting VNFs. Then we simultaneously solve VNF placement and service chaining problems, which assign the virtual nodes and links to the physical nodes and links under the resource constraints and service chain requirements. Since it is difficult to maintain the service quality under the failures of physical nodes and VNFs, there are studies on the VNF placement and service chaining schemes jointly considering VNF diversity and redundancy.The existing work, however, does not sufficiently consider the tradeoff between diversity and redundancy of VNFs and network resource utilization. In this paper, we propose a scheme that simultaneously achieves resource-efficient VNF placement and service chaining while adjusting the appropriate VNF diversity and redundancy against the service chain requirements. Through the numerical experiments, we show that the proposed scheme can achieve more effective resource allocation while satisfying the availability requirement at the 28.58--44.55¥,s increase of execution time, compared with the existing scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) Network function virtualization / service chaining problem / virtual network function placement problem / integer linear programming / diversity and redundancy / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 406, NS2022-167, pp. 1-6, March 2023.
Paper # NS2022-167 
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 NS2022-167

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) Resource-Efficient and Availability-Aware Virtual Network Function Placement and Service Chaining with Virtual Network Function Diversity and Redundancy 
Sub Title (in English)  
Keyword(1) Network function virtualization  
Keyword(2) service chaining problem  
Keyword(3) virtual network function placement problem  
Keyword(4) integer linear programming  
Keyword(5) diversity and redundancy  
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1st Author's Name Kento Sugihara  
1st Author's Affiliation NARA Institute of Science and Technology (NAIST)
2nd Author's Name Takanori Hara  
2nd Author's Affiliation NARA Institute of Science and Technology (NAIST)
3rd Author's Name Masahiro Sasabe  
3rd Author's Affiliation NARA Institute of Science and Technology (NAIST)
4th Author's Name Shoji Kasahara  
4th Author's Affiliation NARA Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2023-03-02 10:00:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2022-167 
Volume (vol) vol.122 
Number (no) no.406 
Page pp.1-6 
#Pages 6 
Date of Issue 2023-02-23 (NS) 

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