Virtualisation has progressed from an emerging early adopter technology to a mainstream business ecessity at a record pace. Nearly half of all small, medium and large enterprises worldwide are considering implementing some amount of virtualisation within their IT environment.
It’s also expected that virtual machines will continue to supplant dedicated physical servers until all the servers that can be virtualised, will be. It’s likely that the only dedicated physical servers that will continue to exist will be for applications that require dedicated computing resources - and even those servers might be encapsulated as a single, rapidly moveable virtual machine.
The reasons are obvious. Virtualisation Return on Investment (ROI) is almost instantaneous because multiple underused physical servers are replaced by virtual machines resident upon a single physical host. It also reduces IT resource Total Cost of Ownership (TCO) because instead of applying dedicated resources (servers, storage, etc.) to applications that don’t use them fully, existing resources are used more fully, reducing the amount of capital investment required.