SAP Basis

Unit 1: Fundamentals ADM100
The processing of a transaction that consists of multiple screens is usually
executed using multiple, different dialog work processes. This distribution
is called “work process multiplexing”. Work process multiplexing means
that a system function whose content is logically connected but which
consists of multiple substeps can be processed by various dialog work
processes. These steps whose content is connected are described as
transactions. A transaction that consists of multiple screens, such as screens
100 and 200 can also be processed by multiple dialog work processes.
Figure 4: Work Process Multiplexing
The figure shows two screens of a transaction (100 and 200), for which the
input is handled by two different dialog work processes. The multiplexing
procedure is used exclusively for dialog work processes. All other work
process types process entire functions; that is, complete business processes.
As dialog work processes may therefore process only parts of transactions
that are connected from a business point of view; the update procedure
with the update work process is widely used in SAP systems (see also
the SAPTEC course).
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