Yesterday, finally, Red Hat announced the availability of its new virtualization offering, which includes a platform based on KVM and an enterprise virtualization manager.
The company already released Enterprise Linux (RHEL) 5.4 in mid September, which features KVM in the same way (despite technical differences in the architecture) Microsoft Windows Server 2008 features Hyper-V.
The problem is that RHEL 5.4 plus KVM may be not enough to compete against lightweight, dedicated platforms like VMware ESX and Citrix XenServer. Additionally, RHEL 5.4 lacks of enterprise management tools that customers can use to control large scale virtual data centers.
This gap is filled today with the release of Enterprise Virtualization Hypervisor (REVH) and Enterprise Virtualization Manager for Servers (REVMS).
REVH is a stripped down version of RHEL 5.4, with the following characteristics (partial list):





