A bare metal environment is a computer system or network in which a
virtual machineis installed directly on hardware rather than within the host operating system (OS)... (Continued)
An IT showback system tracks the data center utilization rates of an organization’s business units or end users.
Server virtualization is the masking of server resources, including the number and identity of individual physical servers, processors, and operating systems, from server users.
In computing, virtual is a digitally replicated version of something real. The replication, which is created with software, may not be an exact copy of the real thing, but it is similar enough in essence to be described as a digital rendition.
VM stall is the point where it becomes just as cost-effective to deploy a physical server as it is to deploy a virtual server.