[CentOS-virt] which virtualization platform to choose

[compdoc]

>> If you want to use 32bit host OS, then you only have one choice - Xen.
>
>Yes... All software is 32 bits

I think he meant if you had a 32bit host to run the guests on, and did not
mean 32bit guests. If your hardware has virt extensions, then it's a 64bit
host. 

KVM certainly runs 32bit and 64bit guests, and it runs linux guests just as
well as windows...