When an IT company looks at virtualization it’s first thoughts will be “how can this improve productivity?”  or “how can this reduce costs”. This is understandable, however there is another, but much lesser known, advantage of using virtualization in a large corporation. The effect on the environment of having multiple servers and lots of different network resources is huge. The servers are huge and are very power hungry while without virtualization there would need to be many printers, network hard drives etc that would have to be powered.

Virtualization allows the creation of “virtual” i.e. not real machines and resources on the servers, allowing multiple tasks to be performed at the same time on one server. Programs such as Microsoft Hyper V offer these features. They will appear to be totally separate and the only clue that anything is different will be the amount of space saved when only one or two servers are required rather than a whole room or even building full. In the past all of these different network tasks required a separate server, and this was an environmental nightmare, leading to vast, heavily air conditioned rooms full of servers, all performing just the one task. Aside from the environmental issues, this was not at all cost effective as each server cost a fair amount of money but was using only a fraction of it’s processing power. Also, the cost of air conditioning and powering these rooms was vast.

It also makes the jobs of the network administrators much easier, as it frees them up to do other jobs that are a lot more useful and a lot less tedious.

There are many reasons why companies should use virtualization just from a cost effective efficiency point of view, and this is before the environmental reasons, which are very very important. These companies can help the environment and at the same time they can be helping themselves.

Last 5 posts by Deepak Shrivastava

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