You already might have heard about the extended maintenance period of SAP Fiori front-end server 6.0 as a long-term, stable UI technology foundation for SAP Fiori apps of SAP Business Suite and SAP S/4HANA systems, described in this blog.
But what is planned beyond and what is SAP’s strategy regarding the SAP Fiori front-end server and the recommended deployment options?
This blog delivers a short summary. For more details, please check out the updated version of the SAP Fiori deployment options and system landscape recommendations.
Today the SAP Fiori front-end server can be deployed embedded or as a standalone server/hub for SAP S/4HANA and SAP Business Suite systems. The embedded deployment for SAP S/4HANA systems is the recommended setup. The standalone server deployment for SAP S/4HANA systems is mainly used by customers due to security aspects for external access scenarios.
In addition, for SAP Business Suite systems, the SAP Fiori front-end server can serve as central hub to offer a single entry point to multiple systems. This is not possible for an SAP S/4HANA system landscape, because of the version dependencies of the SAP Fiori UI components and backend versions.
The SAP Fiori front-end server versions up to 6.0 support all SAP S/4HANA and SAP Business Suite releases, down to SAP NetWeaver 7.40 based installations. This enables customers to consume new UI technology innovations by a selective upgrade of the SAP Fiori front-end server without touching the backend components.
SAP plans to deliver the new SAP Fiori front-end server 2020 for S/4HANA for the latest three SAP S/4HANA releases: 1809, 1909 and 2020. SAP Business Suite and lower SAP S/4HANA releases will not be supported.
Technically SAP Fiori front-end server 2020 for S/4HANA requires SAP NetWeaver 7.52 as the minimum release. This is required to be able to consume technology features, such as OData Version 4.0, and thus reduces technical limitations for future UI technology innovations.
As shown in the graph, you will be able to upgrade the front-end server component to SAP Fiori front-end server 2020 for SAP S/4HANA for 1809 and 1909 systems, without upgrading the S/4HANA product version. This is valid for the embedded and for a standalone server deployment.
For lower SAP S/4HANA releases an upgrade to the long-term maintenance version SAP Fiori front-end server 6.0 is recommended. The same is valid for SAP Business Suite systems. Please refer also to this blog.
In consequence, the scenario with a central front-end server hub with one SAP S/4HANA system and several SAP Business Suite systems connected (the so-called “mixed” scenario) is no longer supported with SAP Fiori front-end server 2020 for S/4HANA. An upgrade of a connected SAP S/4HANA system to SAP S/4HANA 2020 then would mean, that it has to be disconnected from the central hub. For this SAP S/4HANA 2020 system it’s recommended to apply the embedded front-end server deployment. An alternative might be a dedicated standalone front-end server.
SAP’s strategic direction is to evolve powerful alternatives for a SAP Fiori front-end server as a central hub or standalone server with a much lower TCO on customer-side.
The central front-end server hub as a single entry point to multiple systems with the required UX integration capabilities is planned to be covered by the central SAP Fiori launchpad on SAP Cloud Platform, which will evolve further over times.
Currently alternatives for securing the backend systems without a SAP Fiori front-end server (e.g. in the DMZ network zone) for external access scenarios are being evaluated.
Updated SAP Fiori Deployment Options and System Landscape Recommendations
Please check out the newly updated document SAP Fiori Deployment Options and System Landscape Recommendations for more detailed information.