The image shows two-node Oracle RAC database on Oracle Base Database Service with Oracle Data Guard across two regions: OCI Region 1 and OCI Region 2. The components are described in the surrounding text.

In addition to the described components, each OCI Region hosts:

• Oracle Database Autonomous Recovery Service in the OCI Managed Services region.
• The Application in the Application subnet has an arrow to the two-node Oracle RAC database on Oracle Base Database Service.
• Oracle RAC database on Oracle Base Database Service in the Database subnet shows an arrow to Oracle Database Autonomous Recovery Service through the Service Gateway.