Server Virtualization:-
  1. Server virtualization is the partitioning of a physical server into several virtual servers. It is used to maximize the server resources.
  2. In this virtualization, the resources of the server are itself hidden from the users, and a software is used to partition the physical server into several virtual environments, called as virtual servers or private servers. This results the dedication of one server to a single application or task.

Usage of Server Virtualization:-There are many usage of Usage of Server Virtualization, which are following
  1. To make more efficient use of server resources.
  2. To help in disaster recovery.
  3. Development and testing
  4. To centralize the server administration and
  5. To make more efficient use of server resources.

Advantages of Server Virtualization:- There are many advantages of Server Virtualization, which are following:
  1. Each virtual server can be independently rebooted.
  2. Server virtualization reduces the costs because less hardware is required.