| 摘要 |
PURPOSE: A terminal device and method thereof are provided to protect a module which is installed on a user VM(Virtual Machine) and to secure the stable operation of an advertisement system by sensing the abnormal operation of an advertisement time controller. CONSTITUTION: A service time controller(124) requests the operation of a service module. A monitoring unit(136) monitors the service time control controller. If communication with the service time controller is abnormal, the monitoring unit requests the stop of user module operation. A client hypervisor(110) gives resource use right including an input/output control right to the user module.
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