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A virtual server is identical to a physical server in almost every way, except it's not physical. From within a massive pool of next-generation computing power is created the instance of a server, configured and controlled by way of a management application.
What are the advantages of a virtual server over a physical server? They're much less expensive!
You are not paying for hardware
A physical computer and all its hardware must be purchased. Thousands of dollars spent before even turning it on. A virtual server, on the other hand, is created as simply as a new word processing document. After one minute's configuration, a server custom-fit to your specifications is created, running, online and ready for your use. As of that moment, you pay only the monthly rate for computing resources used, not hardware. Processing power, memory, hard drive capacity simply become account settings rather than physical assets.
You are not paying for space
A dedicated server is like any physical object, stacked in the server room like boxes in a warehouse. A high-tech facility like a server room has a lot of expensive considerations to which it must attend: temperature control, humidity control, redundant power supplies in case of outages, security systems and so on. With only so many computers fitting into that establishment, the very space your server occupies represents a premium price. A virtual server, being a digital creature, is priced for computing parameters, not rack space.
No maintenance labour costs
From time to time a physical computer needs maintenance and upgrades. Nobody will ask you to pay them, however, to dust a virtual server, or switch out processor or install a bigger hard drive.
Much more flexible, and responsive
A virtual server can be created for you in minutes, configured according to your specific needs. As your needs change, the parameters can be adjusted in seconds, according to your request. No hardware vendors for new parts, no shipping of parts, no onsite installation process or fees.
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