Comparing the Different Approaches to Application Performance Management for Virtualized and Cloud based Envionments

If you are going to try to virtualize performance critical applications in 2012, you should arm yourself with a tool that can measure how those applications perform in the eyes of their end users – which is their end-to-end response time. The approach you take should be a function of the mix of applications you have to support – including whether they are purchased or custom developed and if custom developed with what language or framework.