Quoting from the XenSource official announcement:
Platform Computing, a leading systems infrastructure software company, and XenSource, the leading provider of enterprise-class virtualization solutions based on the open source Xen hypervisor, today announced an OEM agreement that enables Platform to integrate and bundle XenEnterprise v4 with the new version of their VM Orchestrator (VMO) solution.
…
Under terms of the agreement, Platform will embed XenEnterprise v4 with VMO as part of a complete VM life cycle management solution, offering best of breed dynamic resource management, self-service functionality, and resource aware high availability (HA), all from a common web-based management console. A core element of VMO is Enterprise Grid Orchestrator (EGO) – a proven management environment and policy engine that dynamically allocates shared resources based on application priority and workload. The two companies will participate in joint marketing activities including an upcoming webinar…