Virtualisation

1. Virtualization is a technique for hiding the physical characteristics of computing resources from the way in which other systems, applications, or end users interact with those resources. This includes making a single physical resource (such as a server, an operating system, an application, or storage device) appear to function as multiple logical resources; or it can include making multiple physical resources (such as storage devices or servers) appear as a single logical resource. Source: Wikipedia BCMBoK Competency Level BCMBoK 4: Business Continuity Strategy CL 2D: Intermediate (DR)

(Source: Business Continuity Management Institute - BCM Institute)