Whether they reside on the company's internal servers or are accessible via the Web from desktop PCs or mobile devices, the applications a business uses to run its operations are ever-growing. The number and complexity of enterprise applications, particularly those based on Java and other Web technologies are changing the nature of IT management. Today the entire organization must focus on delivering these applications to internal and external users when and how they need them. IT needs to ensure that applications meet optimal performance levels in terms of business priority and other requirements.