The greenfield approach, where a completely new system is set up without migrating data or configurations from an existing system, is typically used for the deployment options of SAP S/4HANA Cloud and SAP S/4HANA Cloud, extended edition. This approach is chosen to leverage cloud capabilities fully and ensure a clean implementation without legacy constraints.References= These deployment strategies are outlined in SAP's deployment guides and official documentation, which discuss the advantages of starting fresh with cloud-based solutions.

The contract for RISE with SAP S/4HANA Cloud, private edition includes various services to support the operational aspects of the platform. Infrastructure management is a critical service, ensuring that all hardware and network resources are appropriately maintained and optimized for performance and security. Technical managed services are also provided, which encompass the ongoing management of the software environment, including updates, patches, and technical support to ensure the system runs efficiently and issues are resolved swiftly.References= These services are specified in the contractual agreements and service descriptions provided by SAP for RISE with SAP S/4HANA Cloud, private edition, highlighting the support and maintenance commitments.

Choosing RISE with SAP S/4HANA Cloud, private edition over RISE with SAP S/4HANA Cloud for the functional requirement of variant configuration is advantageous due to the complex and customizable nature of this feature. Variant configuration in SAP S/4HANA Cloud, private edition allows for greater flexibility and deeper customization to accommodate specific business needs and complex product configurations, which might be restricted in a more standardized cloud environment.References= This distinction is highlighted in SAP documentation comparing the features and capabilities of different SAP S/4HANA deployment options, particularly focusing on the customization and flexibility provided by the private edition for complex configurations.