This image shows a Microsoft Azure region with a VNet that includes a custom application that connects to the internet through a load balancer. The Azure region uses a Virtual Network Gateway to connect to Microsoft Azure EspressRoute/VPN and the Customer DataCenter.

The Virtual Network Gateway also connects the Azure region uses either ExpressRoute or FastConnect to connect to the OCI region through a Dynamic Routing Gateway.

The OCI region includes a VCN with a Database. The OCI region connects to OCI FastConnect/VPN through the Dynamic Routing Gateway.