Explore the evolution of virtualization technology in this 28-minute conference talk by Michael S. Tsirkin from Red Hat. Delve into the differences between virtual and physical hardware, examining the Virtio interface and its adaptations for new hardware. Learn about split and packed virtqueues, performance optimizations, and solutions for live migration challenges. Understand cross-vendor compatibility issues and techniques for descriptor fragmentation avoidance. Gain insights into the latest developments in virtualization, including partial ordering, page fault handling, and post-copy migration strategies.