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The architecture of SAP Web Application Server can be separated into 5 areas: Presentation layer In the presentation layer, the user interface can be developed with JavaServer Pages (JSP), Business Server Pages (BSP), or with Web Dynpro technology. The underlying business layer provides the business content in Java or ABAP. Business layer
RFC communication with the remote system takes place as a part of the CALL FUNCTION command. RFC function modules in an SAP system must be proper function modules and must be registered in the SAP system as remote. If the calling program and the called program are both ABAP programs, the RFC interface provides both communication partners.
SAP Project System (PS) SAP Rapid Deployment Solutions (RDS) SAP Service and Asset Management; SAP Supply Network Collaboration (SNC) SAP Solutions for mobile business; SAP Sales and Distribution (SD) SAP Solution Composer; SAP Strategic Enterprise Management (SEM) SAP Test Data Migration Server (TDMS) SAP Training and Event Management (TEM)
SAP NetWeaver is a software stack for many of SAP SE's applications.The SAP NetWeaver Application Server, sometimes referred to as WebAS, is the runtime environment for the SAP applications and all of the mySAP Business Suite runs on SAP WebAS: supplier relationship management (SRM), customer relationship management (CRM), supply chain management (SCM), product lifecycle management (PLM ...
All SAP data exists and all SAP software runs in the context of a SAP system. A system consists of a central relational database and one or more application servers ("instances") accessing the data and programs in this database. A SAP system contains at least one instance but may contain more, mostly for reasons of sizing and performance.
SAP GUI is the graphical user interface client in SAP ERP's 3-tier architecture of database, application server and client.It is software that runs on a Microsoft Windows, Apple Macintosh or Unix desktop, and allows a user to access SAP functionality in SAP applications such as SAP ERP and SAP Business Information Warehouse (BW).
The newly released versions usually follow the SAP Fiori design principles. [2] One of its main design features is that the user interface is defined in an entirely declarative manner. Web Dynpro applications can be developed using either the Java (Web Dynpro for Java, WDJ or WD4J) or ABAP (Web Dynpro ABAP, WDA or WD4A) development ...
Java servers allows for single sign-on into Java application servers. [9] However, there are prerequisites: Usernames need to be the same for all SAP system that the user wants single sign-on for. Passwords can be different. Web browsers need to be configured to accept cookies. Any web servers for ABAP servers need to be placed on the same DNS