Patent ID: 11954509
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The service continuation system of claim 1, wherein:
in a case where the active system virtual server does not receive a heartbeat from the standby system virtual server for a predetermined period of time and the service is operating, the active system virtual server, including one or more processors, is configured to: execute (i) instructing the standby system virtual server to restart the system of the standby system virtual server, and (ii) instructing a management system in a virtualization environment in which the standby system virtual server is operated to restart the standby system virtual server after the restart of the system is not successful, and
the standby system virtual server includes one or more processors configured to execute (i) restart of a process for providing the service, and (ii) restart of an operating system of the standby system virtual server after the restart of the process is not successful, in a case where an instruction for restarting the system is received.