This post explains virtio and vhost, device virtualization techniques used in Linux kernel virtual machine (KVM). Here, I focus only on block device and network device virtualization. Virtio (Virtual I/O) # Virtio is one of I/O (block, NIC, etc) virtualization techniques that are used in virtualization. It is a paravirtualized I/O solution that implements a set of communication framework for I/O interaction between guest applications and hypervisor 1 2, which means a device driver that is awa...
