First we must understand what is Cloud Computing .
The term refers to the idea of using independent platform, the most varied applications over the internet, as if they are installed on our own computers.
There are three types of Cloud Computing Services:

In this article we will prioritize and detail the Private Cloud Services.
The current market, within the concept of centralized applications and securely shared information, have invested in Information Technology (IT) in order to improve the quality and control of their services, reduced TCO (Total Cost of Ownership ) and achieving faster ROI (return on investment).
Thus comes the Cloud to help these premises.
Even before planning to migrate to Cloud Computing Services, it is necessary to evaluate certain points, such as:
After reviewing each of the points above, it becomes possible to start the migration strategic plan, which among other things defines which servers are eligible to receive a virtualization infrastructure and which should remain as physical servers.
Advantages of Virtualization
Virtualized Environments can offer numerous advantages which would not be possible on a physical server infrastructure, such as:
The bad initial setting can cause various problems, such as the physical server does not support the virtual structure, the structure becomes inoperative or even becomes quite slow.