The image shows an Oracle Cloud Region containing an Availability Domain with Fault Domain 1 and Fault Domain 2.

Fault Domain 1 contains a VCN with:

• Subnet Public containing Bastion Service.
• Subnet Private XCenter Web/App containing a VM.
• Public Subnet XCenter Database with ATP-D.

Fault Domain 2 contains a VCN with:

• Subnet Public containing a Public Load Balancer and an API Gateway. The API Gateway connects to the 3rd Party Cloud via API Integration. The Public Load Balancer connects to the:
  • VMs in Fault Domain 1 and Fault Domain 2.
  • Retail Stores Xstore POS outside the Oracle Cloud Region via DRG and Site-to-Site VPN.
  • Internet users via WAF and Internet Gateway.
• Subnet Private XCenter Web/App containing a VM.
• Public Subnet XCenter Database containing an ATP-D.