DRaaS question

List, Looking for solutions using OpenStack Similar to 1. VMWare VCDR( VMware Cloud Disaster Recovery) as a Pilot Light DR Solution hassle free Failover and Failback. 2. AWS Cloud Replication Agent( Cloud Endurance ) Operational DR solution in Cloud ( Both 1 and 2 have capabilities of acting as an Operational DR in Cloud and serving both from AWS demonstrated as a PoC ). Any solution/directives to achieve a similar to better solution using OpenStack techniques and components? Please enlighten with your ideas. Thank you Krishane.