SAP System Architecture

SAP System Architecture

SAP System Architecture

The SAP System Architecture follows a three tier architecture containing Presentation, Application and a database layer. Each of these layer  has it’s own software component. With this setup, the overall system can be distributed among a range of computers or it can also be in one system like MiniSAP which has all these components in one computer. A common configuration includes where in the database and the application server run concurrently in a single large computer. All the other application servers run on their computers. Let’s explain all these three components further so that you can develop a better understanding of the SAP system architecture.

SAP System Architecture
SAP System Architecture

So what makes a SAP System Architecture? It’s made up of three layers:  Presentation layer, Application Layer & Database Layer.

Presentation Layer

This is the view you see when you login into SAP from your computer. This is presentation layer that has been generated. The SAP GUI Software components ensure that the SAP system user interface is shown and that the user’s actions are passed to the application server for further processing.

Application Layer

The application layer is the one where the entire work is carried out for your. All your actions are processed at this place. This software component can have one or more than one based on the requirements and the processing needs of each and every organization.

The application server provides a range of services for the operation of the SAP system. The application servers processes are carried out through work processes. This is defined at the start of the SAP system. The work processes are components that are able to execute an application. One thing to note here is that each work process is registered as a user in the database system for the entire runtime of the SAP system.

Database Layer

Each SAP System Architecture will have a central database in which the entire data is stored. Everything, like the customer records, programs, just about anything which needs to be stored is maintained at this level.

In a nutshell, any actions you do on the presentation layer is passed to the application layer for processing which would retrieve any relevant data from the database layer and the application layer processes the data and presents it to you via the presentation layer. This similar SAP System Architecture is followed by any ERP system.

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