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Paper Abstract and Keywords
Presentation 2018-10-18 12:05
Evaluation of efficiency and stability of VNF placements by extracting a core-peripheral structure
Yuki Tsukui, Shin'ichi Arakawa, Masayuki Murata (Osaka Univ) NS2018-110
Abstract (in Japanese) (See Japanese page) 
(in English) Network function virtualization (NFV) has begun to be introduced with the purpose of increasing the flexibility of providing network functions and reducing the cost of providing them. One of the problems to be solved in NFV is the problem of placing a virtual network function (VNF: Virtual Network Function).In this paper, focusing on a core-periphery structure as an approach to this problem, We evaluate the efficiency and stability when the extracted core function is placed. By the evaluations using service chain based on AS topology data and evaluations using generative model of service chain, about 24% service chain request can be processed when the core size is 128 (Functions). We also found that the efficiency and stability of the core increases as the request rate for VNF is less diverse.
Keyword (in Japanese) (See Japanese page) 
(in English) Network Function Virtualization (NFV) / Virtual Network Function (VNF) / Core Periphery model / Service chain / Directed graph / DC graph / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 250, NS2018-110, pp. 31-36, Oct. 2018.
Paper # NS2018-110 
Date of Issue 2018-10-11 (NS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 NS2018-110

Conference Information
Committee NS  
Conference Date 2018-10-18 - 2018-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Kyoiku Bunka Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network architecture (Overlay, P2P, Ubiquitous network, Scale-free network, Active network, NGN, New Generation Network), Next generation packet transport (High speed Ethernet, IP over WDM, Multi-service package technology, MPLS), Grid, etc. 
Paper Information
Registration To NS 
Conference Code 2018-10-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of efficiency and stability of VNF placements by extracting a core-peripheral structure 
Sub Title (in English)  
Keyword(1) Network Function Virtualization (NFV)  
Keyword(2) Virtual Network Function (VNF)  
Keyword(3) Core Periphery model  
Keyword(4) Service chain  
Keyword(5) Directed graph  
Keyword(6) DC graph  
1st Author's Name Yuki Tsukui  
1st Author's Affiliation Osaka University (Osaka Univ)
2nd Author's Name Shin'ichi Arakawa  
2nd Author's Affiliation Osaka University (Osaka Univ)
3rd Author's Name Masayuki Murata  
3rd Author's Affiliation Osaka University (Osaka Univ)
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Speaker Author-1 
Date Time 2018-10-18 12:05:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2018-110 
Volume (vol) vol.118 
Number (no) no.250 
Page pp.31-36 
Date of Issue 2018-10-11 (NS) 

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