The image shows an OCI region with a virtual cloud network and two subnets: one public and one private. The public subnet contains Oracle Cloud Infrastructure API Gateway, while the private subnet contains OCI Kubernetes Engine Microservices.

OCI API Gateway interacts and sends traffic back and forth to the following elements in the diagram:

• Users and applications using the internet from human capital management and supply chain and manufacturing.
• Oracle Cloud Infrastructure Identity and Access Management.
• OCI Kubernetes Engine Microservices.
• Oracle Integration Cloud Service (Oracle Services Network)
• Oracle Cloud Infrastructure Functions (Oracle Services Network)
• Oracle Saas Applications