Citrix officially announced acquisition of XenSource, a major contender in the Virtualization space with the new product offering called Citrix XenServer v4.
Mark Templeton announced it's release at Citrix iForum 2007, and communicated that this new product addition will move Citrix closer to Dynamic Virtualization for Business Agility.
Referencing the review of VM technologies(VMWare, XenSource, Virtuozzo and Virtual iron XenSource Enterprise v4 scored second, providing all of the same features as VMWare, except the Lab Manager features that provide developers powerful features to roll back changes. According to the review, it scored well in ease of use.
New features in Citrix XenServer v4?
XenMotion: Seamlessly move virtual machines without downtime
XenCenter: Unified virtualization management interface, including servers, storage and networking
Native 64-bit hypervisor: Scalability and support for enterprise applications
Resource Pools: Efficient configuration, allocation and authentication for virtualization resources
XenAPI: Integration with existing management invesments, infrastructure and processes
Citrix XenServer v4. Demo