Patent ID: 8281032

Claim:
A server comprising: an IT resource evaluation system for evaluating a value of an IT resource with at least one of a plurality of business systems constituted with a computer operated independently from each other being targeted for evaluation, connected to a management system constituted with a computer having a mechanism of managing a plurality of IT resources working respectively in the plurality of business systems, and supplying a surplus of the IT resource in any one of the plurality of business systems to another business system demanding the IT resource on a chargeable basis, the IT resource evaluation system comprising: a supply-and-demand data recording part for recording supply-and-demand data representing a transition of at least either one of a demand and a supply of the IT resource in all the plurality of business systems; an actual dealing data recording part for recording actual dealing data in which an actual supply price of the surplus of the IT resource that is actually supplied from any one of the business systems to another business system, an amount of the supplied surplus, and a first surplus determination rule for determining the supplied surplus are correlated with one another and accumulated; an IT resource data input part for inputting, by the server, IT resource data containing a second surplus determination rule that is data representing at least a working situation of an IT resource as a requirement for determining a presence/absence of a surplus of the IT resource in the business system targeted for evaluation and the period targeted for determination, from the business system targeted for evaluation; and an evaluating part for determining whether a period targeted for the determination represented by the second surplus determination rule of the IT resource data is a peak period or an excess supply period based on at least one transition of the demand and the supply represented by the supply-and-demand data, specifying the first surplus determination rule which corresponds to the second surplus determination rule, and calculating, by the server, a supply price higher than the actual supply price correlated with the specified first surplus determination rule of the actual dealing data in a case where the period targeted for the determination is the peak period and a supply price lower than the actual supply price in a case where the period targeted for the determination is the excess supply period, wherein said accumulation comprises accumulating supply conditions and demand conditions.