  This paper presents elements that form the structure of a network of data
using secure stable and mature technologies that meet the requirement of having
code free. The principle would be conflicting code open Tuesday where he wants
to keep maximum control over the data but is already evidence that open source
does not hide the famous backdoor possible in closed systems code.
  Basearemos this work experience gained in a real environment and using
paravirtualization to show a situation more critical and now real in most
companies, the virtualization of servers.
