Among top challenges for enterprises it should be no surprise that application performance ranks highly. In this instance, the importance of maintaining SLAs for cloud based applications seems especially difficult. This is where APM shows promise:
What will the network impact be as more premise-based applications move to the Cloud? Enterprises and institutions will struggle to accurately model and maintain application SLAs through the process. How will SLAs change for an application that was once run on premise and now is running in the Cloud?
You can read more here: Top 5 Internet Challenges for Enterprises in 2013: Application Performance