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Paper Abstract and Keywords
Presentation 2015-03-20 14:50
[Encouragement Talk] Proposal and Evaluation of Redirect Process for Congestion Tolerance of EPC Signaling by Using Network Function Virtualization
Takeshi Usui, Yujin Noishiki, Takeshi Hashimoto, Yoshinori Kitatsuji (KDDI Lab) ICM2014-72
Abstract (in Japanese) (See Japanese page) 
(in English) Virtualized functions of EPC(Evolved Packet Core) which is mobility management system in LTE(Long Term Evolution) have been developed. Therefore, operators can flexibly add the functions of EPC into the network. The auto-scale mechanism defined in ETSI(European Telecommunications Standards Institute) NFV(Network Function Virtualization)ISG(Industry Specification Group)can add the virtualized functions into the network. However, the auto-scale mechanism cannot suppress the delay of signaling process in the functions of EPC, when the congestion occurred because of the concentration of the signaling generated after UEs(User Equipments) are Attached. The signaling causing the congestion cannot be transferred into the function added by the auto-scale mechanism. This paper proposes redirect process navigating UEs into the functions added by the auto-scale mechanism in the combination with re-Attach procedures defined in 3GPP, when the congestion occurred. And, this paper shows that the proposed method makes UEs communicate with the corresponding node within the time when the UEs cannot feel unsatisfied.
Keyword (in Japanese) (See Japanese page) 
(in English) Network Function Virtualization / Congestion tolerance / EPC / Network Management / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 523, ICM2014-72, pp. 109-114, March 2015.
Paper # ICM2014-72 
Date of Issue 2015-03-12 (ICM) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ICM2014-72

Conference Information
Committee ICM  
Conference Date 2015-03-19 - 2015-03-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Ishigaki-City-Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Element Management, Management Functionalities, Operations and Management Technologies 
Paper Information
Registration To ICM 
Conference Code 2015-03-ICM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal and Evaluation of Redirect Process for Congestion Tolerance of EPC Signaling by Using Network Function Virtualization 
Sub Title (in English)  
Keyword(1) Network Function Virtualization  
Keyword(2) Congestion tolerance  
Keyword(3) EPC  
Keyword(4) Network Management  
1st Author's Name Takeshi Usui  
1st Author's Affiliation KDDI R&D Laboratories,inc (KDDI Lab)
2nd Author's Name Yujin Noishiki  
2nd Author's Affiliation KDDI R&D Laboratories,inc (KDDI Lab)
3rd Author's Name Takeshi Hashimoto  
3rd Author's Affiliation KDDI R&D Laboratories,inc (KDDI Lab)
4th Author's Name Yoshinori Kitatsuji  
4th Author's Affiliation KDDI R&D Laboratories,inc (KDDI Lab)
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Date Time 2015-03-20 14:50:00 
Presentation Time 20 
Registration for ICM 
Paper # IEICE-ICM2014-72 
Volume (vol) IEICE-114 
Number (no) no.523 
Page pp.109-114 
#Pages IEICE-6 
Date of Issue IEICE-ICM-2015-03-12 

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