Chapter 3

SAP LAYERS AND ARCHITECTURE

In this chapter, SAP applications are discussed from a technical perspective. Currently, SAP supports four different technical architectures. The SAP BusinessOne Engine, which is the foundation of the SAP SMB Business Solutions and was acquired from a company called TopManage. The second technical architecture is the foundation of SAP Enterprise Portals, which was acquired from a company called TopTier1.

The third technical architecture is the foundation for all ABAP-based applications like ERP (R/3), CRM, SCM Server, BI, and SRM. This architecture is based on what we know as the SAP Web Application Server and use to be known as the SAP Basis layer or BC Component. The upgrade process and technology discussed ...

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