The image shows an OCI region containing a VCN within an Availability Domain and an Oracle Services Network containing Integration, Autonomous Database, and Functions.

The VCN contains:

• A Private Subnet with a Private API Gateway. Bidirectional arrows connect the Private API Gateway to Integration, Autonomous Database, Functions, and Load Balancer in a Public Subnet.
• A Public Subnet with a Load Balancer and a Public API Gateway. Monodirectional arrows connect the Public API Gateway to Integration, Autonomous Database, Functions. Birectional arrows connect the Public API Gateway to the Load Balancer and 3rd Party Cloud containing virtual machine and containers via DRG and Site-to-Site VPN or FastConnect.

Integration connects to Oracle SaaS contaning Fusion and ERP.

Bidirectional arrows connect the Load Balancer to the:

• On-premises data center via DRG and Site-to-Site VPN or FastConnect.
• Internet via Internet Gateway.