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Choose an integration pattern for each business flow
You do not need to use one pattern for every system. An ERP-to-CRM customer update, for example, may have different network and event requirements from a scheduled transfer to an on-premises finance application. Compare the options against the flow’s required records and operations, trigger or invoke behavior, network location, identity controls, API limits, recovery expectations, and operational ownership.
| Pattern | When it fits | Important checks |
|---|---|---|
| Native application adapter | Oracle Integration offers an adapter for the application and the flow needs operations it supports. | Verify the exact objects, actions, trigger and invoke roles, application release, and network type. Adapter support varies by product. Oracle recommends a native adapter when one is available; see SOAP Adapter Capabilities. |
| REST or SOAP service | The application exposes a suitable service and a native adapter is unavailable or does not fit the flow. | Check the endpoint’s authentication, API restrictions, deprecation policy, and payload constraints. The generic SOAP Adapter does not filter or change the endpoint’s APIs, and Oracle documents that inbound SOAP trigger endpoints do not support attachments. See Oracle’s SOAP Adapter documentation. |
| On-premises Connectivity Agent | A supported endpoint is inside a private corporate network behind a firewall. | Confirm adapter-specific agent support and whether the flow requires a trigger or polling. Oracle documents outbound TLS communication initiated by the agent, no inbound ports opened on the on-premises system, and no data persisted in the agent. The agent does not support REST/SOAP trigger or polling endpoints. See About the Connectivity Agent. |
| Private endpoint | A supported endpoint is in a private OCI VCN subnet and the required private-endpoint setup is complete. | Check prerequisites and use a fully qualified domain name. For the Oracle ERP Cloud Adapter, business events are not supported over a private-endpoint connection. See Oracle ERP Cloud Adapter Capabilities. |
| Existing middleware connection | Existing SOAP or REST composites in Oracle SOA Suite need to remain available while other flows are built or migrated. | Oracle documents connecting SOA Suite through the Connectivity Agent and Oracle SOA Suite Adapter. Reimplementation in Oracle Integration can be gradual; it is not a prerequisite for coexistence. See Connect to Oracle SOA Suite. |
Check adapter and event support before designing the flow
Oracle Integration provides adapters for Oracle ERP and other Oracle and third-party applications, but available operations and connection directions differ among products. For Oracle ERP Cloud specifically, the ERP Cloud Adapter can expose selected business objects and REST resources, and can subscribe to supported business events. Its capabilities are not a guarantee that every object, operation, or event your process needs is available.
For each source and target, identify whether Oracle Integration will invoke the application, receive a trigger from it, or both. Then check the adapter documentation for those exact operations and the deployment’s network type. This is especially important for a flow that depends on an event: Oracle’s ERP adapter documentation says ERP business events are not supported when that adapter uses a private endpoint.
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Do not assume a CRM is covered just because Oracle ERP has an adapter. Confirm the current adapter list and the specific CRM product’s supported actions and release. If no suitable native adapter exists, assess the CRM’s supported APIs or other integration interfaces and their limitations.
Plan access and network connectivity
Set up identities and permissions
Give the integration identity only the application roles and data access needed for its intended operations. The Oracle ERP Cloud Adapter connection documentation lists username/password token policies, OAuth authorization code credentials, and OAuth using JWT user assertion; the available choices and prerequisites depend on the adapter and version. Confirm tenant identity configuration and the selected policy rather than applying one authentication recipe to every endpoint. Oracle’s connection steps are documented in Create an Oracle ERP Cloud Adapter Connection.
Select a supported network route
Depending on the application and topology, the connection may use a public gateway, a private endpoint in OCI, or the on-premises Connectivity Agent. For private endpoints, complete the required setup in Oracle Cloud Console before testing the connection; Oracle notes that missing prerequisites cause connection testing to fail. For on-premises systems, verify the agent support table for the chosen adapter and operation. The outbound-agent pattern does not mean every adapter action or trigger type is supported through it.
Implement and validate one flow at a time
- Inventory the endpoints. Record each application and version, system owner, business objects, authoritative record for each data element, integration direction, expected volume and timing, and required business outcome.
- Verify capabilities. Check the current Oracle Integration adapter list and the documentation for each endpoint. Confirm supported objects and actions, trigger or invoke roles, event availability, authentication choices, and compatibility with the planned network route.
- Choose a pattern per flow. Select a native adapter, supported REST or SOAP service, file or bulk interface, or existing middleware connection according to the flow’s needs. Do not impose a single pattern across the whole ERP/CRM estate.
- Establish connectivity. Configure the selected identity and network path, complete any private-endpoint prerequisites, and test the connection before building flows that depend on it. For ERP adapter setup, follow Oracle’s connection guide.
- Define data and failure behavior. Specify mappings, validation, duplicate handling, retries, recovery, monitoring, and reconciliation for the business process. Adapter availability alone does not establish that these production requirements are met.
- Test with application owners. In a non-production environment, exercise representative successful and failed cases. Validate permissions, event behavior, payload constraints, and recovery with the owners of the source and target systems before release.
Keep or migrate existing Oracle SOA Suite integrations?
Oracle describes SOA Suite as customer-managed and Oracle Integration as an Oracle-managed PaaS. Its documented approach allows existing SOAP- and REST-based SOA composites to remain connected through the Connectivity Agent and Oracle SOA Suite Adapter while teams develop new integrations in Oracle Integration. Reimplementing composites over time is an option to weigh against operating needs, migration constraints, and the cost of changing working integrations—not a requirement for connecting the systems.
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Oracle’s product guides describe adapter capabilities and configuration, not a complete architecture for an unspecified ERP/CRM combination. They do not establish the mappings, licensing or API entitlements, throughput, latency, production topology, or recovery behavior for your particular systems. Those details require validation against the applications, service limits, network design, and business process involved. Oracle’s Oracle ERP Cloud Adapter with Oracle Integration 3 guide is identified as document F45581-52 and shows a September 2026 publication date.
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