“Five years ago, the open source Xen hypervisor was the primary technology that big vendors like IBM and Red Hat were adopting and pushing. In 2010, that’s no longer the case as the rival KVM effort is now getting the attention of both IBM and Red Hat, as well as many others in the Linux ecosystem. So what does this mean for the KVM community and the future of Xen? An IBM study looking at who’s most involved in KVM may provide some answers.”