As organizations implement practices to become more agile, these new processes introduce challenges that must be addressed. One challenge is the performance and availability of applications and visibility into the IT infrastructure:
That requires a very granular level of monitoring that provides insight into what is happening across the entire, system-wide infrastructure. I think of this as a closed-loop process where a performance monitoring solution is constantly evaluating the outcome of the changes and reporting on the actions of the software layer and the impact on the underlying physical infrastructure.
Check out the full post, Software-Defined Everything: Revolution or Evolution?, from Computerworld.