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SAP R/3 Handbook, Third Edition, 3rd Edition by Jim Keogh, Jose Hernandez, Franklin Martinez

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Services: Work Processes Types

Every work process is specialized in a particular task type: dialog, background, update, enqueue, spool, message, or gateway. The last two types are somewhat different than the rest. In client/server terms, a work process is a service, and the computing system that is running the particular services is known as a server. For example, if the system is just providing dialog services, this is a dialog server, although commonly called an application server.

The dispatcher assigns tasks to the free work processes, making optimal use of system resources and balancing the system load. The dispatcher knows and distributes accordingly the pending tasks according to the processing type of the defined processes. The work ...

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