1. A method of providing formalized Information Technology (IT) business decision making, the method comprising: determining a relationship between at least one Information Technology (IT) environmental element and at least one Information Technology (IT) performance metric; and determining a business value based on said at least one Information Technology (IT) environmental element and said at least one Information Technology (IT) performance metric to optimize an Information Technology (IT) business decision based on at least one predetermined business objective, wherein said at least one predetermined business objective is based on a set of system constraints.