August 2011
Intermediate to advanced
448 pages
10h 16m
English
The hypervisor is what makes virtualization possible. The hypervisor is the component that translates the virtual machines into the underlying hardware. There are two types of hypervisors: The type 1 hypervisor runs directly on the host hardware; the type 2 or hosted hypervisor runs in software. In addition, some proprietary hardware has a hypervisor built into the hardware. The hypervisors that we are concerned with are the type 1 and type 2 hypervisors.
The type 1 (or embedded) hypervisor is a layer that runs directly on the host hardware, interfacing with the CPU, memory, and devices. Oracle VM and VMware ESX Server both use the type 1 hypervisor. The hypervisor treats the host OS in much the same way as a ...