In presentation layer S/4 Hana have Fiori for access/perform transaction from any device.
Application Layer - S/4 Hana provides new functional benefits like FICO to Group Reporting, SD-AATP, MM/PP to MRP Live.
Database Layer – ECC DB dependency on third party database was the reason for slothfulness. Hana provides transactions/reports fasted as compared to previous databases.
SAP S/4 HANA’s unique architecture where the database runs in-memory, with data stored in columns allowing for faster, near to real time analytics and compute capabilities.
SAP S/4 Hana also gives customers the option to fully leverage the new HANA multi tenancy functionality provided by the SAP Hana platform for the cloud.
SAP S/4 HANA’s focuses on providing end users active decision support in real time, that is data driven and takes into consideration both internal and external sources of data.
SAP announced a maintenance commitment for SAP S/4HANA until the end of 2040. At the same time, SAP will provide mainstream maintenance for core applications of SAP Business Suite 7 software* until the end of 2027 followed by optional extended maintenance until the end of 2030.
SAP S/4 HANA delivers high volume transactions processing (OLTP) and high volume real time analytical processes (OLAP) based on unified data model without the redundant data layers typically required by traditional RDBMS based systems.
This reduces TCO while providing the new opportunities to increase business value from existing investments
Examples of redundant data layers are custom built layers based on database tuning efforts such as secondary indexes, or application built-in performance accelerators such as aggregate tables or multiple general ledger versions for different managerial reporting needs.