May 2019
Beginner to intermediate
548 pages
12h 39m
English
Content preview from Mastering SAP ABAP
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ALE
ALE is a tool that is used for exchanging data between the SAP R/3 system and an external system. This functionality consists of three layers:
- The application layer
- The distribution layer
- The communications layer
Here, the application layer provides an interface in which to initiate and receive data from or to other systems.
The distribution layer restricts and changes data based on rulesets. Rulesets can be custom configurations or predefined; this is sometimes needed in order to connect to different versions of the SAP system.
In the communications layer, ALE communication can be synchronous and asynchronous. This layer performs a Remote Function Call (RFC). It uses the RFC destination defined by the client model and port for this ...
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