SAP Three-Tier Architecture for Java Applications

SAP NW AS Java is based on the industry-standard three-tier architecture. The three tiers of the architecture are the Presentation layer, the Application layer, and the Database layer.

Presentation Layer

The Presentation layer for Java-based SAP applications are accessed with a standard web browser. Figure 3-1 shows the NetWeaver portal access with the help of the browser URL (http://<server name>:port number/irj/portal).

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Copyright by SAP AG

FIGURE 3-1 Browser-based access to the SAP Java application

You can log in to the Presentation layer of the SAP NetWeaver portal shown in the figure by providing ...

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