The image shows an OCI Region 1 - Prod containing an availability domain 1 with the following components:

• Bastion Service within a public subnet inside VCN-0 (Hub)
• GoldenGate Cloud within a public subnet inside VCN-1
• ATP DB within a public subnet inside VCN-1

The AWS Cloud contains the following components:

• Oracle DB on EC2
• PowerBuilder apps

OCI and AWS connect via a Megaport Cloud Router.