IT virtualisation is a way of running many servers at a fraction of the cost of onsite hardware. For example, with virtualisation, administrators can divide servers among multiple physical locations. In contrast, in a dedicated server setup, an IT administrator may have to configure a server for each position that is running.

Read more: https://melbournemix.weebly.com/blog/benefits-of-virtual-hosting-for-small-to-medium-businesses