Patent ID: 7856572

Claim:
An information processing device, comprising: storage that files component information on components for constituting a plurality of service units, each of which satisfies a predetermined function required for a service; and a processor that calculates a combination of the components necessary for constituting a system required for a service based upon said component information, calculates risk information, being information on a risk that a physical failure affects a service request, and/or fragment information, representing a dispersed degree indicating that the components of the service unit are dispersedly allocated over a plurality of physical shelves, and ranks the selected combinations of the components based upon a predetermined policy, the calculated risk information, and/or fragment information, wherein said processor calculates a statistic of the risk in each combination of the components as the risk information, and said processor calculates an average and/or a variance, being a statistic of the risk in each combination of the components, as the risk information.