Many companies have experienced exponential growth over the years. To make this growth sustainable, the IT infrastructure has to grow accordingly. Business-critical applications are now a cornerstone of the day-to-day operations, outreach, and commerce with customers. The growing importance of a safe and operational IT infrastructure, means an ill-performing application or network can significantly impact brand value, customer relationships, and profit. Application availability and responsiveness are no longer just goals, they have become strategic requirements.