[CentOS] xen vs kvm for virtualization on centos/rhel?

On 08/09/2010 08:16 PM, Robert P. J. Day wrote:
>> how much of this courseware is open source licensed ? Would you be
>> willing to contribute some /all of it towards the CentOS wiki / docs
>> effort ?
>
>    sorry, it's not my C/W, it's being licensed for this course.

 From whom ?

- KB