Abstract: The present invention discloses a multi-agent hot-standby system and a failover method for the same, which utilize a plurality of cascaded standby servers to monitor and detect a plurality of application servers, wherein a standby server is parallel connected with all the application servers, and the cascaded standby servers monitor each other. When one application server malfunctions and sends an abnormal heartbeat signal to the standby server directly connected thereto, the standby server immediately replaces the malfunctioning application server. At the same time, another standby server cascaded to the original standby server immediately replaces the original standby server and succeeds to detect and monitor all the application servers. Thereby, the multi-agent hot-standby system and the failover method for the same of the present invention can exempt the programs and tasks executed in application servers from interruption.

Abstract: A method for application of portable software stores a coordination program and at least an application program in a portable storage device. When the storage device is plugged to a computer system, the coordination program will be automatically run to set up a runtime environment of the application program (including carrying out authentication and authorization to ensure proper use of hardware and software). The application program can thus be executed in the computer system. After the user has finished the tasks, the application program is terminated, and the coordination program will restore the computer system to the original setting and automatically terminate itself. The user can then remove the storage device. In this way, easy usage and better integration can be accomplished, and the advantage of portable software can also be achieved.