Server virtualization/consolidation is becoming a norm and data centers and enterprises are now looking towards the horizon at how to bring dynamic, agile, and flexible capabilities to their IT infrastructure.
What I will focus on here is one specific technology that helps meet this goal called Live Migration, the capability to move active Virtual Machines (VMs) across a pool of physical servers with no downtime. If a VM is running on a server that is reaching high utilization or where resources are becoming constrained, Live Migration can migrate the active VM to a different physical server with absolutely no downtime. Now this is what I call truly dynamic and agile! (more…)