webMethods and Intelligent Business Operations 10.2 | Designing and Implementing Business Process Models | ARIS Method manual | IT City Planning | Chronological-logical operational sequences of IS elements
 
Chronological-logical operational sequences of IS elements
In the service allocation diagram, the relationships to the object types of the organization, data, and process views can be created for the service types, capabilities, and IS services specified in the service architecture diagram. Possible chronological-logical operational sequences of IS elements cannot be represented.
In IT City Planning, the service collaboration diagram is used to illustrate chronological-logical operational sequences of IS elements, that is, to describe the dynamic aspects within the information system. As a model type it is equivalent to the program flow chart of the IT view (see chapter Program flow chart). It provides events for displaying operational sequences. As with the allocation of IT elements and events in the program flow chart, events in the service collaboration diagram can serve to define the sequence of functional modules. In this context, the event is seen as a trigger that activates service types, capabilities, or IS services. Branches can be represented using the rules known from the EPC or the program flow chart. Operational sequences can also be defined without the use of events.

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