Network performance and security monitoring is not only helpful, it is required in today’s enterprise data centers to provide reliability and performance of today’s complex applications. Data center and IT managers should be focusing on efficient delivery of applications, and network performance and security are two big areas that affect overall application reliability and performance. While most enterprises are monitoring their data center ingress and egress, and possibly some critical areas within, they are not monitoring their entire data center. The primary reason is they believe it is not cost effective, but it leads to costly network blind spots.

More Here