Mastering KVM Virtualization

Introducing VMM/hypervisor

As its name suggests, the VMM or hypervisor is a piece of software that is responsible for monitoring and controlling virtual machines or guest operating systems. The hypervisor/VMM is responsible for ensuring different virtualization management tasks, such as providing virtual hardware, VM life cycle management, migrating of VMs, allocating resources in real time, defining policies for virtual machine management, and so on. The VMM/hypervisor is also responsible for efficiently controlling physical platform resources, such as memory translation and I/O mapping. One of the main advantages of virtualization software is its capability to run multiple guests operating on the same physical system or hardware. The multiple ...