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Paper Abstract and Keywords
Presentation 2008-09-12 11:00
Proposal of Network-controlled SIP Server Switching Methods for Active SIP Sessions
Satoshi Komorita, Takeshi Kubo, Teruyuki Hasegawa, Hidetoshi Yokota (KDDI R&D Lab.) IN2008-57
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, SIP (Session Initiation Protocol) is mainly used for call controls of many services over IP network. SIP messages are often routed through SIP proxy servers (SIP Server) for accounting and communication control. However, the SIP servers are fixed after establishing a session. Therefore, the SIP servers must continue to process the SIP messages of the session until the end of it. Hence, it raises the cost of SIP servers due to the necessity of redundancy mechanisms and high performances. In addition, operators have to wait until all sessions are finished before the SIP server is turned off for a maintenance.
In this paper, we foucs on switching SIP server and propose the Network-controlled SIP server switching methods for the active sessions in order to solve the above problems. Further, we implement and evaluate our proposed methods and show the performances.
Keyword (in Japanese) (See Japanese page) 
(in English) SIP / Session / Switch / Change / Active / Control / Server / cost  
Reference Info. IEICE Tech. Rep., vol. 108, no. 204, IN2008-57, pp. 81-86, Sept. 2008.
Paper # IN2008-57 
Date of Issue 2008-09-04 (IN) 
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 IN2008-57

Conference Information
Committee CS IN NS  
Conference Date 2008-09-11 - 2008-09-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Overlay networks, VPN, DDos, network security, p2p communications, network software, etc. 
Paper Information
Registration To IN 
Conference Code 2008-09-CS-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Network-controlled SIP Server Switching Methods for Active SIP Sessions 
Sub Title (in English)  
Keyword(1) SIP  
Keyword(2) Session  
Keyword(3) Switch  
Keyword(4) Change  
Keyword(5) Active  
Keyword(6) Control  
Keyword(7) Server  
Keyword(8) cost  
1st Author's Name Satoshi Komorita  
1st Author's Affiliation KDDI R&D Laboratories, Inc. (KDDI R&D Lab.)
2nd Author's Name Takeshi Kubo  
2nd Author's Affiliation KDDI R&D Laboratories, Inc. (KDDI R&D Lab.)
3rd Author's Name Teruyuki Hasegawa  
3rd Author's Affiliation KDDI R&D Laboratories, Inc. (KDDI R&D Lab.)
4th Author's Name Hidetoshi Yokota  
4th Author's Affiliation KDDI R&D Laboratories, Inc. (KDDI R&D Lab.)
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Speaker Author-1 
Date Time 2008-09-12 11:00:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2008-57 
Volume (vol) vol.108 
Number (no) no.204 
Page pp.81-86 
#Pages 6 
Date of Issue 2008-09-04 (IN) 

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