BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 schematically illustrates the present invention.
FIG. 2 shows an exemplary system configuration of the invention.
FIG. 3 shows an exemplary hardware configuration of a gateway used in the invention.
FIG. 4 is a conceptual diagram illustrating a process according to a first embodiment.
FIG. 5 is a block diagram illustrating the processing function of the gateway and of a node according to the first embodiment.
FIG. 6 shows an exemplary data structure of a safe program list.
FIG. 7 is a sequence diagram illustrating a job execution procedure according to the first embodiment.
FIG. 8 is a flowchart illustrating a job execution process executed by the node.
FIG. 9 is a conceptual diagram illustrating a process according to a second embodiment.
FIG. 10 is a block diagram illustrating the processing functions of the gateway and the node according to the second embodiment.
FIG. 11 is a sequence diagram illustrating a job execution procedure according to the second embodiment.
FIG. 12 is a conceptual diagram illustrating a process according to a third embodiment.
FIG. 13 is a block diagram illustrating the processing functions of the gateway and the node according to the third embodiment.
FIG. 14 shows an exemplary data structure of a client safety management table.
FIG. 15 shows an exemplary data structure of a program safety management table.
FIG. 16 shows an exemplary data structure of a real-time monitoring process list.
FIG. 17 is a sequence diagram illustrating a job execution procedure according to the third embodiment.
FIG. 18 is a flowchart illustrating a job execution process executed by the node.