SAP Web AS Communication Protocols and Interfaces
Inside R/3, communication is an overall process that involves most of the components of the systems both internally and to the exterior world (external systems). Communication among systems, modules, and components is based on protocols. The Web AS basis system supports most standard and de facto standard communication and networking protocols.
At the operating system level, the protocol used is TCP/IP. Communication with the database is accomplished using remote SQL calls. Between applications there are many different programming interfaces that use an underlying communication layer, such as CPIC, RFC, ALE, EDI, BAPIs, and HTTP and SOAP in SAP Web AS 6.40.
The communication interfaces are deployed ...
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