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Virtualisation

The Cloud and Virtualisation often go hand in hand.

Virtualisation, in computing terms, is as simple as it sounds; It is the creation of a virtual version of the resource or device.

Virtualisation

You can virtualise different elements of your IT such as:

  • Servers – partitioning of one physical server into several 'separate' servers
  • Network – segmenting of a physical network into 'virtual networks' or V/Lans
  • Storage – combining multiple storage devices into a single virtual storage device

There are a few others but these are the main ones used at an SME level.

Virtualisation often means doing more with less and using economies of scale – combining several tasks into one task.

Virtualisation has been around for a long time now, however small to medium-size businesses are often behind the curve when it comes to adopting virtualisation to date, but the technology can deliver significant benefits to companies of nearly any size because it allows the enterprise to make more efficient use of IT resources.

Virtualisation enables one server to behave as several servers, each with its own operating system and unique set of applications. A virtual machine consists solely of software, yet it has all the components of a physical machine: It has a CPU, a hard disk, a network controller, and so on. The operating system and other applications run on a virtual machine just as they would on a physical machine--they see no difference between the two environments.

In virtualisation, a program known as a hypervisor places an abstraction layer between the operating systems and the hardware. The hypervisor can operate multiple virtual machines with the same operating system or different OS’s on the same physical server. Microsoft and VMware are among the top virtual-machine developers.

How does virtualisation make more efficient use of your IT resources? Servers are designed to accommodate peak--versus average--loads, so they’re underutilized most of the time. In fact, the typical server utilizes only between 5 and 15 percent of its overall resources. Running several virtual machines on one physical server uses those resources more efficiently, boosting utilization to between 60 and 80 percent. Instead of operating one physical server for email, one for database management, one for your intranet, and yet another for CRM, you can run all of those applications on several virtual machines running on the same physical hardware.

Virtualisation eliminates the need for additional physical servers, and the support overhead, power, cooling, backup, physical space, and other requirements that go along with them. What’s more, you can deploy a new virtual server in just a matter of hours.

Speak to our team today about the costs and benefits of adopting a virtual environment in your IT systems.

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