Oracle VM Manager provides auto restart of VMs in the event of a VM failure Oracle Enterprise Manager monitors and issues early warning alerts at all levels of the computing stack, including quality-of-service levels for applications, to help IT proactively prevent and easily identify root causes of issues Oracle Real Application Clusters (Oracle RAC) ensure business availability at the application layer and are integrated with Oracle VM to ensure business availability on the server as well as application data in a single or multiple geographic locations