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Paper Abstract and Keywords
Presentation 2017-03-03 10:40
A Study on SIP Server Software Update Method Applied Server Virtualization/NFV Technology
Minoru Sakuma, Keisuke Kurokawa, Shun Kawaguchi, Kazuhiro Kikuma (NTT) NS2016-215
Abstract (in Japanese) (See Japanese page) 
(in English) Telecom carriers are continuously required to reduce the CAPEX/OPEX because of the expansion of the
broadband market. About digital exchange, deployed in 1982, all of the systems were composed of own developed
hardware/software, so specific development and maintenance technologies are needed, but for low-cost and high-quality
service, digital exchange and telephone SIP server are promoted to reduce hardware and software cost. As for hardware,
general CPU and telecom specifications ATCA are adopted. As for software, IROS, standardized OS for telecom systems,and Linux are promoted. NGN (Next Generation Network) is also needed to adopt general hardware such as IA server, and to adopt new technologies such as server virtualization and NFV, but for telephone services which is needed high quality/reliability/availability, can't be covered with general technologies. In this paper, we clarify the functional requirements of telecommunications middleware which are not covered with general technologies, as an example, we propose and evaluated program update method without service interruption.
Keyword (in Japanese) (See Japanese page) 
(in English) Server Virtualization / Middleware / Program Update / Service Interruption / NFV / Telephone / NGN / SIP  
Reference Info. IEICE Tech. Rep., vol. 116, no. 484, NS2016-215, pp. 331-336, March 2017.
Paper # NS2016-215 
Date of Issue 2017-02-23 (NS) 
ISSN Print edition: ISSN 0913-5685    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 NS2016-215

Conference Information
Committee NS IN  
Conference Date 2017-03-02 - 2017-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) OKINAWA ZANPAMISAKI ROYAL HOTEL 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2017-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on SIP Server Software Update Method Applied Server Virtualization/NFV Technology 
Sub Title (in English)  
Keyword(1) Server Virtualization  
Keyword(2) Middleware  
Keyword(3) Program Update  
Keyword(4) Service Interruption  
Keyword(5) NFV  
Keyword(6) Telephone  
Keyword(7) NGN  
Keyword(8) SIP  
1st Author's Name Minoru Sakuma  
1st Author's Affiliation NTT Corporation (NTT)
2nd Author's Name Keisuke Kurokawa  
2nd Author's Affiliation NTT Corporation (NTT)
3rd Author's Name Shun Kawaguchi  
3rd Author's Affiliation NTT Corporation (NTT)
4th Author's Name Kazuhiro Kikuma  
4th Author's Affiliation NTT Corporation (NTT)
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Speaker Author-1 
Date Time 2017-03-03 10:40:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2016-215 
Volume (vol) vol.116 
Number (no) no.484 
Page pp.331-336 
#Pages 6 
Date of Issue 2017-02-23 (NS) 

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