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Paper Abstract and Keywords
Presentation 2021-06-25 11:35
Optimal scheduling of virtual network function for minimizing a duration of QoS degradaton
Msayoshi Iwamoto, Akito Suzuki, Masahiro Kobayashi (NTT) NS2021-31
Abstract (in Japanese) (See Japanese page) 
(in English) Network services provisioning with Service Function Chaining(SFC) consists of various controls such as Virtual Network Function(VNF) placement/resource allocation and traffic flow routing, which are executed dynamically. These controls take time to execute from start to finish, and the execution time varies depending on the type of control. The control with long execution time may lead to prolonged QoS degradation. In order to optimize the network performance, a control method should execute the controls taking into account the difference in execution time. While existing control methods don't focus on the difference. In this paper, we propose a control scheduling method that takes into account the difference and minimizes the duration of delay degradation. The proposed method uses stochastic search based on the load degree of VNF instances to obtain a sub-optimal solution with small computational complexity. Simulation evaluations show that the proposed method minimizes the delay degradation compared to the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) Service Function Chaining / Network Function Virtualization / Network latency / optimal control / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 74, NS2021-31, pp. 33-38, June 2021.
Paper # NS2021-31 
Date of Issue 2021-06-17 (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 NS2021-31

Conference Information
Committee PN NS OCS  
Conference Date 2021-06-24 - 2021-06-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NS 
Conference Code 2021-06-PN-NS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optimal scheduling of virtual network function for minimizing a duration of QoS degradaton 
Sub Title (in English)  
Keyword(1) Service Function Chaining  
Keyword(2) Network Function Virtualization  
Keyword(3) Network latency  
Keyword(4) optimal control  
1st Author's Name Msayoshi Iwamoto  
1st Author's Affiliation NTT (NTT)
2nd Author's Name Akito Suzuki  
2nd Author's Affiliation NTT (NTT)
3rd Author's Name Masahiro Kobayashi  
3rd Author's Affiliation NTT (NTT)
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Date Time 2021-06-25 11:35:00 
Presentation Time 25 
Registration for NS 
Paper # IEICE-NS2021-31 
Volume (vol) IEICE-121 
Number (no) no.74 
Page pp.33-38 
#Pages IEICE-6 
Date of Issue IEICE-NS-2021-06-17 

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