The image shows an OCI region which contains an app layer, AI services, and a custom retrieval-augmented generation. Outside of the OCI region are user groups that use Oracle Cloud Infrastructure Identity and Access Management within the OCI region to connect to the app layer, Oracle Visual Builder, and Oracle Integration Cloud Service.

The app layer connects to the REST APIs of the following OCI services:

Oracle Cloud Infrastructure Generative AI and the app layer connect to the custom RAG and Oracle Database 23ai.