Virtualization as an operating system design feature predates that entire chart. A lot of the hard problems in the Xen/VMWare research related to implementing v

Virtualization as an operating system design feature predates that entire chart. A lot of the hard problems in the Xen/VMWare research related to implementing virtualization on a processor architecture (x86) that was extremely popular, but didn't actually support virtualization. Which is just the kind of stagnation he's talking about, I think.