Work process architecture - SAP

SAP BASIS

Work process is one of the main component of SAP WEB AS architecture and today I would like to share some information on work process…their architecture and dialog step.

Work Process Architecture: Work process architecture comprise 3 main components as shown in the figure below

Dialog Interpreter
ABAP Processor
Database Interface

Task Handler: It coordinates the activities within a work process. It manages the loading and unloading of the user session context at the beginning and end of each dialog step. It also communicates with the dispatcher and activates the Dynpro interpreter or the ABAP processor as required to perform its tasks.

ABAP processor: Is in charge of executing the ABAP programs
Dialog interpreter: (Also known as the Dynpro processor) is in charge of interpreting and executing the logic of R/3 screens.

Database interface: It establishes and terminates connection between the work process and database. It also allows to Access to database tables, access to Repository objects , Controlling transactions (commit and rollback handling)

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[rajaniduba]

Thank you, sir for explanation in detail.

[jedidiahprashanth]

Is this architecture same in all work processes?