RDO Manager OpenStack deployment and management in production environments from the community.
DoubleCloud => Private Cloud + Public Cloud - OpenStack: 7 Core Projects You Should Know
Cloudscaling - “Vanilla OpenStack” Doesn’t Exist and Never Will
Ask OpenStack - Can I migrate VM between two datacenters with openstack
Server Fault - Import existing VM into Openstack/Cloudstack
slideshare - Moving AWS workloads to OpenStack
Ubuntu Insights - OpenStack+VMware deployment stories: webinar Q&A
Rackspace Blog - Going Hybrid With vSphere And OpenStack
Stack Overflow - Migrating VM'S from KVM to Openstack