Commercial Linux distributor Red Hat is kicking out the first beta of its Enterprise Virtualization 3.0 hypervisors for servers and desktops. This brings the free-standing hypervisor up to par with the KVM hypervisor that was embedded in the company's Enterprise Linux 6.1 distro for servers , which came out in May. KVM is an …
"KVM is an open source alternative to the Xen hypervisor for x64-based machines"
Surely you mean: "KVM which is an alternative Open Source hypervisor to Xen"
They way it is worded in the article implies that Xen is not open source, and I understand that it is
It's not grammar.
It's fricking semantics.
based on LDAP and Kerberos, which would be the same two packages that Active Directory is based on plus BIND