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Paper Abstract and Keywords
Presentation 2008-05-23 10:40
Remote Site Failover in Next Generation Private Network System
Norihisa Matsumoto, Nodoka Mimura (Hitachi), Makoto Watanabe, Hidetoshi Nishiyama (HiKE)
Abstract (in Japanese) (See Japanese page) 
(in English) In the Next Generation Private Network System, a server executes communication control in combination with other servers. We study a method of redundant failover by servers in remote sites in order to provide a continuance of calls even if all servers in a site crash by disaster. Disaster relief systems need such high availability. Three modes of packet delivery were compared under two requirements – support of failover by servers in other subnets, and no intermediate packet forwarding node which distinguishes active servers from standby servers. The best mode is tunnel mode in which applications use virtual IP addresses and communicate with each other through IP tunnels. The tunnel mode is effective in reducing developing costs of adaptation of each application. We are developing a prototype system to evaluate our method from the viewpoint of functionality and performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Professional Mobile Radio / Disaster Relief / Redundant Failover / Virtual Address / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 44, MoMuC2008-18, pp. 103-108, May 2008.
Paper #  
Date of Issue 2008-05-15 (MoMuC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee MoNA IPSJ-MBL  
Conference Date 2008-05-22 - 2008-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-seinen-kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile computing, Mobile application, Ubiquitous communication, Mobile multimedia communication 
Paper Information
Registration To IPSJ-MBL 
Conference Code 2008-05-MoMuC-MBL 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Remote Site Failover in Next Generation Private Network System 
Sub Title (in English)  
Keyword(1) Professional Mobile Radio  
Keyword(2) Disaster Relief  
Keyword(3) Redundant Failover  
Keyword(4) Virtual Address  
1st Author's Name Norihisa Matsumoto  
1st Author's Affiliation Hitachi, Ltd. (Hitachi)
2nd Author's Name Nodoka Mimura  
2nd Author's Affiliation Hitachi, Ltd. (Hitachi)
3rd Author's Name Makoto Watanabe  
3rd Author's Affiliation Hitachi Kokusai Electric Inc. (HiKE)
4th Author's Name Hidetoshi Nishiyama  
4th Author's Affiliation Hitachi Kokusai Electric Inc. (HiKE)
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Date Time 2008-05-23 10:40:00 
Presentation Time 25 
Registration for IPSJ-MBL 
Paper # IEICE-MoMuC2008-18 
Volume (vol) IEICE-108 
Number (no) no.44 
Page pp.103-108 
#Pages IEICE-6 
Date of Issue IEICE-MoMuC-2008-05-15 

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