The image shows an OCI region in relationship to users on the Internet. The region contains three fault domains, whicvh are spanned by a virtual cloud network. Access to the VCN through an Internet gateway or a service gateway. Within the VCN is a public subnet, which also spans the fault domains. Fault domain 1 contains a VM for the Queue provider, while fault domain 2 contains a VM for the Queue consumer. The region also contains an Oracle Services Network instance, comprising these services:

• Policies
• Logging
• Monitoring