PROBLEM TO BE SOLVED: To smoothly provide a service by determining a resource used for the service in consideration of the use situation of each resource node.;SOLUTION: By transmitting information related to a condition allowing execution of one service to a resource broker managing an allocation state of the resource nodes used between a plurality of services, the resource node allowing the execution of the one service is specified from the resource nodes used between the plurality of services. Information related to the use situation of the resource node is received from the specified resource node, and the resource node used for the one service is determined from the specified resource nodes on the basis of the received information related to the use situation.;COPYRIGHT: (C)2008,JPO&INPIT
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