How do virtual machines work?

[nukemberg]

• What is a VM, hypervisor
• Type I, Type II hypervisor
• Paravirtualization, virtio
• Hardware assisted virtualization: Intel VT-X, ring 0
• AWS Nitro
• Performance https://www.brendangregg.com/blog/2017-11-29/aws-ec2-virtualization-2017.html

[nukemberg]

https://youtu.be/0AiQcNyRtxg