What are work process in ABAP?

Answer Posted / ashish

work processes are responsible to execution of the programs. Each request sent from the presentation server is collected by the dispatcher and assigned to different work processes in First In First Out Basis.

There are only 5 work process:

Dialog Work Process - at least 2 work process/ dispatcher
Update Work Process - at least 1 work process/ dispatcher
Spool Work Process - at least 1 work process/ dispatcher
Enqueue Work Process - There is only one Enqueue Work process for each system.
Background Work Process - at least 2 work process/ dispatcher

Message Server, Gateway Server, and ICM are services!

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