Flexible data center infrastructure distribution

A method of minimizing excess installed infrastructure capacity to support computing capacity provided by a plurality of rack computer systems installed in a data center at any given time, the method comprising:

• determining an excess support capacity of presently-installed infrastructure modules in the data center to provide additional support of a particular type of infrastructure, of a plurality of separate types of infrastructure, beyond a present total support requirement to support computing operations of presently-installed rack computer systems in the data center;
• determining a support requirement, of the particular type of infrastructure, to support computing operations of at least one additional rack computer system, based at least in part upon receiving an indication that the additional rack computer system is presently inbound for delivery to the data center to provide additional computing capacity at the data center;
• determining a support capacity deficit of the presently installed infrastructure modules, for the particular type of infrastructure, based at least in part upon the excess support capacity of the presently-installed infrastructure modules and the support requirement of the at least one additional rack computer system, wherein the support capacity deficit comprises a magnitude of infrastructure support by which the support requirement of the at least one additional rack computer system exceeds the excess support capacity of the presently-installed infrastructure modules;
• selecting a minimum quantity of a particular set of infrastructure modules which provides incremental support, of the particular type of infrastructure, which at least equals the support capacity deficit for the particular type of infrastructure, wherein each infrastructure module in the particular set of infrastructure modules is configured to provide an incremental magnitude of support of the particular type of infrastructure;
• and
• commanding installation of the selected minimum quantity of the particular set of infrastructure modules in the data center, concurrently with installation of the at least one additional rack computer systems in the data center, such that, subsequent to installation of the at least one additional rack computer systems, the excess support capacity of presently-installed infrastructure modules in the data center at least meets the total support requirement of the installed rack computer systems in the data center.