SAP NW AS Java System Architecture
The SAP NW AS Java internal system architecture meets the Java EE (Enterprise Edition) 5 specification and consists of the following three logical layers, as shown in Figure 3-9:
FIGURE 3-9 SAP Java system architecture internals
• Java Enterprise runtime Java Enterprise runtime consists of several lower-level subsystems, referred to as managers. This group of managers provides core functions for runtime, such as class loading, port management, and so on.
• Java system components This includes interfaces, libraries and services, HTTP provider, security provider, and so on.
• Applications These are implemented ...
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