분류?
Type 1
Type 2
Type 1
하드웨어,hardware 위에 hypervisor 위에 guest(guest OS) - ex. Xen, VMware ESXi, KVM, Proxmox =,Proxmox { 
Proxmox 
Proxmox }
Type 1.5Proxmox Proxmox }Type 2
HW위에 host(host OS)위에 hypervisor 위에 guest - ex. VMware Server|Workstation|Fusion, VirtualBox, bhyve =,bhyve . bhyve { bhyve bhyve } , QEMU, NVMM(NetBSD)
Type 3은 없나? https://www.google.com/search?q=type 3 hypervisorbhyve bhyve } , QEMU, NVMM(NetBSD)