Long description

The figure shows a block containing two segments labeled from the bottom as Hardware and Type 1 hypervisor. A smaller block labeled virtual machine is placed above the previous block. It consists of three segments labeled ring 1, ring 2, and ring 3. The Type 1 hypervisor segment is labeled ring 0. Ring 1 contains a guest operating system (rewrite binary before execution plus emulate). The ring 3 consists of two open circles labeled user process.