Rackspace OpenStack Private Cloud
Rackspace Private Cloud Powered by Microsoft Cloud Platform
Rackspace Private Cloud Powered by Vmware
Rackspace Public Cloud
VMware (www.vmware.com) is headquartered in Palo Alto, California, U.S. Its Cloud Infrastructure as a Service offering is a VMware-virtualized, vCloud-API-enabled offering that comes in three variants: On-Demand (fully multitenant), Virtual Private Cloud (fully multitenant) and Dedicated Cloud (single-tenant compute with multitenant back-end). VMware also offers a disaster recovery service.