Before use, standard ERP systems such as SAP R/3 need to be customized to meet the concrete requirements of the individual enterprise. This book provides an overview of the process models, methods, and tools offered by SAP and its partners to support this complex and time-consuming process. It begins by characterizing the foundations of the latest ERP systems from both a conceptual and technical viewpoint, whereby the most important components and functions of SAP R/3 are described. The main part of the book then goes on to present the current methods and tools for the R/3 implementation based on newer process models (roadmaps).Before use, standard ERP systems such as SAP R/3 need to be customized to meet the concrete requirements of the individual enterprise. This book provides an overview of the process models, methods, and tools offered by SAP and its partners to support this complex and time-consuming process. It begins by characterizing the foundations of the latest ERP systems from both a conceptual and technical viewpoint, whereby the most important components and functions of SAP R/3 are described. The main part of the book then goes on to present the current methods and tools for the R/3 implementation based on newer process models (roadmaps).Business Application Systems.- Introduction.- Enterprise Architecture; Standard Software; Integration of Software; Tasks and Business Processes.- Tasks; Business Processes; Architectures.- Multi-level Client/Server Architectures; Relational Database Systems; Object-oriented Architectures; The R/3 System.- Client/Server Architecture of the R/3 System; Internet Connection; Components of the R/3 System; Function-related Components; Cross-Function Components; System Components; ABAP/4 Development Workbench; Organizational Structures of the R/3 System; R/3 Reference Model; Procedure Models for the Application System Development.- Development and Implementation.- Development of Standard Software Systems; Tasks of the Develol³«