Applications represent three of the top four of software concerns of IT executives .Knee-jerk reactions imply that hardware change is a pancea , but organizations should consider the varying nature of application workloads in order to make smarter platform choices .In the real world, its not an either or decision on infrastructure but a thorough evaluation of availability, stability and agility that will determine the best infrastructure but a thorough evaluation of availability, stability, and agility that will determine he best infrastructure approach for an organization's environment.