Virtualization: Fitting a Large Idea Into a Small Business

The term “virtualization” is easy to dismiss asFewer physical machines means less time spent on
yet another in a long string of high-tech buzzwords.physical maintenance. Similarly, a new virtual machine
However, implementing virtualization in your smallcan be set up quickly and easily, while the
business can result in real-world savings, increaseddeployment of a new physical server can be a
efficiency, and the ability to concentrate on whatlengthy and frustrating experience. When virtualization
really matters- running your business. Once theis used to pool many devices into a single virtual
domain of big companies with deep capital, thestorage device, backups and recovery can be much
combination of inexpensive or free virtualizationquicker and easier.
packages and the accessibility of powerful computingHow Much Will it Cost?
resources available today make virtualization a usefulVirtualization can cost as much – or as little –
(and increasingly common) tool for small businesses.as you like. There are a plethora of free and open
What Is Virtualization?source virtualization implementations available to
While virtual machines can be created on desktopchoose from, and a technically savvy user could
computers, the most common implementation isdeploy a virtualization environment with ease. Those
known as “server virtualization”.who are a little less confident in their abilities will find
Most applications – even on busy servers –all manner of paid software available that include help
are rarely used to their full capacity and potential.and support services. Some businesses even
Virtualization is, at its most basic level, the process ofspecialize in coming to your office and implementing
splitting or partitioning a computer into different,the technology for you.
distinct virtual computers. The computer is physicallyFinal Thoughts
a single machine, but the virtual computers canVirtualization is, like any investment in IT, an
interact with devices, users, software or networksimportant decision to make. The benefits of
as if it were a separate machine.Virtualization can vary depending on the complexity
Virtualization can also work the other way as well. Ifof infrastructure of your business. Similarly to other
you have a number of computers or servers,IT investments, virtualization comes with its own set
virtualization software can combine these individualof challenges. However, a quick review of your
machines into one single virtual computer.current set-up is time well spent.
How Can My Small Business Benefit fromConsider how your current physical resources are
Virtualization?being utilized – do you have a number of
First and foremost, the less time or money youdifferent servers doing different tasks, but also
spend on managing individual machines, the morespending significant time sitting idle? If so,
resources you can apply to your number one priority:virtualization may be an option worth pursuing.
managing the business. However, the benefits can beA quick web search will reveal a large number of
roughly grouped into a number of broad, overlappingvirtualization packages, but the following list of free
categories:platforms can get your research started on the right
1. It can be cheaper.foot:
The arithmetic is simple- if you have several virtual• Oracle VM – Oracle’s virtualization
machines on one physical machine; you have alreadyoffering can run a number of Windows- and
saved the expense of purchasing multiple servers.Linux-based server operating systems.
But the savings go further, as you can minimize the• Microsoft Virtual PC 2007 – Microsoft’s
space devoted to your server room, recoveringmost recent offering runs on XP and Vista and allows
valuable office space and avoiding future renovationsfor a basic but robust virtualization environment.
or retrofits. Similarly, having fewer physical machines• VirtualBox 3.0 – Sun Microsystems latest
to administer can result in decreased costs onruns on an impressive range of operating systems
software or hardware upgrades, and fewer hoursand hardware architectures, placing it amongst the
spent on IT consultants.most versatile of free packages.
1) It can help you go green.• Microsoft Hyper-V Server 2008 – This is a
Savings on electricity costs would obviously fit intopowerful platform that runs directly on the underlying
the above category, but there is a real environmentalhardware (unlike some other options which require a
benefit to using fewer machines as well. Even“host” operating system). It does, however,
today’s efficient servers draw plenty of power,require specific hardware, so ensure your equipment
and reducing the number of machines you requiremeets the specifications.
results in a smaller electrical bill. Servers also generate• VMware ESXi 4.0 – A bare bones – but
plenty of heat, and the air conditioning costs to coolfully functional – virtualization platform that uses
your server room grow exponentially with thethe same technology as its larger commercial cousin,
addition of each new server.VMware’s ESX Server.
2) It can save you time.