Godfather of Xen On Why Virtualization Means Everything

coondoggie writes "While conventional wisdom says virtualized environments and public clouds create massive security headaches, the godfather of Xen, Simon Crosb, says virtualization actually holds a key to better security. Isolation — the ability to restrict what computing goes on in a given context — is a fundamental characteristic of virtualization that can be exploited to improve trustworthiness of processes on a physical system even if other processes have been compromised, he says."

Comments

OS design fail

[Animats]

If OSs hadn't failed so bad on isolation, we wouldn't need so much virtualization. "Virtual machine monitors" are just operating systems with a rather simple application API. Microkernels, if you will.