The most important function of virtualization is the capability of running multiple operating systems and applications on a single computer or server. ... Virtualization can usually improve overall application performance due to technology that can balance resources, and provide only what the user needs.

Why should you virtualize?

Virtualization can increase IT agility, flexibility and scalability while creating significant cost savings. Greater workload mobility, increased performance and availability of resources, automated operations – they're all benefits of virtualization that make IT simpler to manage and less costly to own and operate.

What is virtualization and why IT's needed?

Virtualization is technology that lets you create useful IT services using resources that are traditionally bound to hardware. It allows you to use a physical machine's full capacity by distributing its capabilities among many users or environments. ... It's the same hardware, you're just using more of it more efficiently.