In SAP S/4HANA, achieving a clean core is a key principle of modern SAP implementations. A clean core means minimizing customizations in the core system and leveraging standard APIs for integrations. SAP provides various API types, but not all are recommended for clean core integrations. Let’s analyze each option to determine the correct answers.
Explanation of Each Option:
B. OData
Correct : OData (Open Data Protocol) is a modern, RESTful API standard that SAP strongly recommends for clean core integrations. It is part of SAP's strategy for cloud-based and hybrid integrations and aligns with the principles of a clean core by providing standardized, lightweight, and scalable interfaces. OData APIs are used extensively in SAP S/4HANA Cloud and on-premise systems for real-time data exchange.
Reference : According to SAP documentation, OData APIs are the preferred choice for modern integrations, especially in cloud environments, as they support clean core principles by avoiding deep customizations.
C. IDoc
Correct : IDoc (Intermediate Document) is a legacy integration technology that SAP still supports for specific use cases, particularly in on-premise systems or when integrating with older SAP systems. While it is not as modern as OData, it is considered a clean core-compatible integration method because it uses standard SAP interfaces without requiring modifications to the core system. IDocs are often used for batch processing and asynchronous communication.
Reference : SAP documentation confirms that IDocs are a standard integration method that can be used in clean core scenarios, especially when modern APIs like OData are not feasible.
A. SOAP
Incorrect : SOAP (Simple Object Access Protocol) is an older web service protocol that SAP has largely replaced with modern RESTful APIs like OData. While SOAP is still supported in some legacy systems, it is not recommended for clean core integrations because it is less flexible and more complex compared to OData. SAP encourages customers to transition away from SOAP to more modern standards.
Reference : SAP promotes OData over SOAP for clean core integrations due to its simplicity, scalability, and alignment with modern IT architectures.
D. RFC
Incorrect : RFC (Remote Function Call) is another legacy technology used for direct function module calls between SAP systems. While RFC is widely used in traditional SAP landscapes, it is not recommended for clean core integrations because it often requires custom development and deep integration into the core system. This contradicts the clean core principle of minimizing customizations.
Reference : SAP advises against using RFC for clean core integrations, as it does not align with modern integration best practices.
Key References to SAP Documentation:
SAP Integration Suite Overview : Explains the role of OData APIs in modern SAP integrations and their alignment with clean core principles.
SAP Help Portal - OData Services : Provides detailed guidance on using OData APIs for cloud and on-premise integrations.
SAP IDoc Documentation : Highlights the use of IDocs as a standard integration method for specific scenarios, particularly in legacy systems.
SAP Clean Core Strategy : Describes the importance of using standard APIs like OData and IDoc to maintain a clean core and avoid customizations.
