BUSINESS PROCESS MANAGEMENT SYSTEM, METHOD THEREOF, PROCESS MANAGEMENT COMPUTER AND PROGRAM THEREOF

A business process management computer, when the load of a service execution computer etc. is increased, determines the condition of a service call step which is calling a service execution unit, etc. of said service execution computer, etc. If said condition is the bottleneck condition, it determines the condition of the service call step in other process which is calling said service execution unit, etc. If there is no condition other than the bottleneck in that condition, the addition of the resource for said service execution computer, etc. is determined and if there is a condition in which the throughput can be limited, it is determined that the throughput should be limited. In a process which is configured with a plurality of service call steps, when the resource insufficiency has occurred, a means to make the adequate addition of the resource possible can be provided.