The image shows an OCI Region and a Microsoft Azure Region.

The OCI Region consists of Oracle Cloud ERP, Oracle Integration, and an Availability Domain.

Oracle Integration contains an Oracle ERP Cloud Adapter which receives the Oracle Cloud ERP business events, an OCI Streaming Adapter, and an Azure SQL DB Adapter.

The Availability Domain contains a VCN with two Private Subnets. The first Private Subnet has an Oracle Integration Connectivity Agent publishing Oracle Cloud ERP business events to Private Stream Kafka Topics to OCI Streaming in the second Private Subnet. The business events from Private Stream Kafka Topics in OCI Streaming are consumed by the Connectivity Agent. The Connectivity Agent is connected to the OCI Streaming Adapter in Oracle Integration via a Service Gateway.

The Microsoft Azure Region consists of a Private Subnet inside a VNet and an Azure SQL DB.

The Private Subnet contains an Oracle Integration Connectivity Agent with sends Oracle Cloud ERP business events to the Azure SQL DB via a Private Endpoint Connection.

The Oracle Integration Connectivity Agent connects to the Azure SQL DB Adapter in the OCI Region via a NAT Gateway through the Public Internet.