Quoting from the Scalent official announcement:
Scalent Systems, a leading provider of server infrastructure repurposing software for large enterprise data centers, today announced that it has joined the VMware Community Source Program, a collaborative effort to develop industry-leading virtualization technology and products. As part of its participation, Scalent would contribute server repurposing technology to VMware ESX Server, which is part of VMware Infrastructure 3, the third generation of the industry-leading virtualization software suite.
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Using Scalent V/OE, customers can seamlessly repurpose servers to add, swap, and failover among any combination of machines, while transparently maintaining the consistency and integrity of their business systems. Scalent V/OE allows customers to increase their flexibility and asset utilization, rapidly deploy VMware ESX Server to consolidate their IT infrastructures, and reduce the cost of ensuring high performance and availability…