virtualizer
A virtualizer is software that provides an abstraction of a computer’s hardware resources to create and manage virtualized environments. It enables running multiple operating systems or applications on a single physical host in isolation from one another by presenting each guest with its own virtual CPU, memory, storage, and network interface. In common usage, the term is closely aligned with hypervisors or virtualization engines.
There are two broad classes of virtualizers. Type 1, or bare-metal hypervisors, run directly on the host’s
A virtualizer consists of a virtualization layer that intercepts and translates privileged operations, a management interface,
Virtualizers are central to data centers and cloud environments, enabling server consolidation, rapid provisioning, and disaster
Examples of virtualizers and related technologies include KVM, VMware ESXi, Microsoft Hyper-V, Xen, and Oracle VirtualBox.