For integrating SAP S/4HANA Cloud Public Edition with another SAP public cloud solution, the strategic approach involves using SAP's designated cloud-native tools. The SAP Integration Suite, part of the SAP Business Technology Platform (BTP), is the recommended Integration Platform as a Service (iPaaS) for all cloud-to-cloud scenarios. It provides the necessary tools and runtime for process integration. To facilitate this, SAP solutions expose their functionalities through Predelivered APIs (e.g., OData, SOAP). These stable, documented APIs are the foundational building blocks that the SAP Integration Suite uses to connect systems and orchestrate data exchange, often through pre-packaged integration content available on the SAP API Business Hub.

C. SAP Process Orchestration: This is an on-premise integration middleware. It is not the strategic or recommended solution for a pure cloud-to-cloud integration landscape.

D. SAP Cloud Connector: This component is specifically designed to establish a secure connection from SAP BTP to on-premise systems. It is not required for cloud-to-cloud communication.

---

1. SAP S/4HANA Cloud

Public Edition - Integration Strategy: The official documentation states

"For cloud-to-cloud integration scenarios

SAP Integration Suite is the preferred choice." It also emphasizes that integration is based on released APIs.

Source: SAP Help Portal

SAP S/4HANA Cloud

"Integration Strategy".

2. SAP Integration Suite Documentation: This documentation defines the platform's purpose: "SAP Integration Suite is an enterprise integration platform as a service (iPaaS) that allows you to seamlessly integrate on-premise and cloud-based applications and processes..." This confirms its role as the primary tool for cloud integrations.

Source: SAP Help Portal

SAP Integration Suite

"What Is SAP Integration Suite?".

3. SAP API Business Hub: This is the central

official catalog for all pre-delivered APIs and integration packages for SAP solutions. The description on the portal confirms its role in discovering and consuming APIs and pre-built integrations for platforms like SAP Integration Suite.

Source: SAP API Business Hub (api.sap.com).

4. SAP Cloud Connector Documentation: The official documentation explicitly states its function: "The Cloud Connector serves as a link between SAP BTP applications and on-premise systems." This confirms it is not used for cloud-to-cloud scenarios.

Source: SAP Help Portal

Cloud Connector

"Cloud Connector".