Invention Grant
US08977840B2 Failover to a standby system calculator in the loss of communication between currently-used system calculator and standby system calculator
有权
故障切换到备用系统计算器，在当前使用的系统计算器和备用系统计算器之间的通信丢失
- Patent Title: Failover to a standby system calculator in the loss of communication between currently-used system calculator and standby system calculator
- Patent Title (中): 故障切换到备用系统计算器，在当前使用的系统计算器和备用系统计算器之间的通信丢失
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Application No.: US13363768Application Date: 2012-02-01
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Publication No.: US08977840B2Publication Date: 2015-03-10
- Inventor: Akihiro Murata
- Applicant: Akihiro Murata
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: McGinn IP Law Group, PLLC
- Priority: JP2011-027243 20110210
- Main IPC: G06F9/06
- IPC: G06F9/06 ; G06F11/20
Abstract:
A standby system calculator communicates with a currently-used system calculator for retaining data about a service, providing the service by using the data, and updating the data along with provision of the service. The standby system calculator includes a retainer that retains a copy of the data and a provider that provides the service by using the copy of the data while restricting an updating operation for updating the copy of the data in the retainer when a predetermined signal that indicates that the currently-used system calculator is operating and that has been transmitted from the currently-used system calculator to the standby system calculator, cannot be received for a predetermined period of time.
Public/Granted literature
- US20120210117A1 STANDBY SYSTEM CALCULATOR, CLUSTER SYSTEM, METHOD OF PROVIDING SERVICE, AND RECORDING MEDIUM Public/Granted day:2012-08-16
Information query
