The image shows an OCI Region (Ashburn) and an Azure Region (EU West).

The OCI Region contains a VCN with OCI GG Service Data Plane VCN 1 and OCI Customer Tenancy VCN 2.

OCI GG Service Data Plane VCN 1 contains OCI GoldenGate connecting to Internet Users via an Internet Gateway. OCI GG Replication is connected to Azure Region (EU West) via DRG, OCI FastConnect, Azure ExpressRoute and Gateway.

OCI Customer Tenancy VCN 2 contains:

Subnet A with an EBS application.
Subnet B with a Database System. Database System is connected to the EBS application and OCI GoldenGate via a Private Endpoint.

Azure Region (EU West) contains Azure Synapse Analytics and Azure Data Lake Gen2.