This image shows a single Oracle Cloud Infrastructure (OCI) region that connects on-premises users and data sources to a landing zone (LZ) compartment with a virtual cloud network (VCN) and subnet. The region includes one availability domain divided into three fault domains. A dynamic routing gateway (DRG) and a service gateway provide private access to Oracle Services Network (OSN) services for document understanding and generative AI.

The architecture has the following components:

• On-Premises: Users access the solution through On Premises Equipment that connects to OCI by way of the dynamic routing gateway (DRG) (step 1). Remote Data Storage provides source documents for processing and a Data Engineer manages these sources (step 1).
• OCI Region: One availability domain is divided into three fault domains inside an LZ Compartment that contains a virtual cloud network (VCN) and a Subnet. The Input UI is deployed across the fault domains for redundancy and continuous service. The Oracle Cloud Infrastructure Service Gateway provides private access from the VCN to Oracle Services Network. Oracle Cloud Infrastructure Object Storage stores ingested documents, intermediate artifacts, and results (steps 2 and 3). Oracle Autonomous AI Database persists structured outputs created by downstream processing (step 4).
• Oracle Services Network (OSN): Oracle Digital Assistant interacts with the Input UI to handle conversational user requests (step 1). Oracle Integration reads from Remote Data Storage and writes documents to OCI Object Storage (steps 1 and 2). Oracle Cloud Infrastructure Document Understanding extracts information from documents; it reads from OCI Object Storage, calls generative AI services, and writes outputs back to OCI Object Storage (step 3). Oracle Cloud Infrastructure Generative AI Llama 4 Multimodal large language model (LLM) provides text-and-vision reasoning and is called by OCI Document Understanding (step 3). OCI Generative AI Cohere-CommandA Text LLM provides text generation and summarization and is called by OCI Document Understanding (step 3). Oracle AI Data Platform reads curated outputs from OCI Object Storage and writes structured datasets to Oracle Autonomous AI Database (step 4).