The architecture within a data center consists of an Oracle Grid Infrastructure (12.2 or later) deployment running the Rapid Home Provisioning centralized Service(also referred to as the RHP Server, but in fact merely a service of the Grid Infrastructure) Rapid Home Provisioning and Maintenance enables you to install clusters, and provision, patch, scale, and upgrade Oracle Grid Infrastructure, Oracle Restart, and Oracle Database homes. The supported versions are 11.2, 12.1, 12.2, and 18c. You can also provision applications and middleware using Rapid Home Provisioning.