Second, the swimlane concept is quite versatile and can be applied to a number of diagrams, including UML activity diagrams, BPMN diagrams, or general diagrams. This makes them useful in "training materials for staff involved in completing pieces of an operational process" or to serve as "a visual accompaniment to written policies and procedures." They are also useful in problem-solving, as listed below. Stakeholders and others who may not have a lot of knowledge of a process will be able to quickly identify the actors responsible for each activity. There are quite a few advantages in using swimlane diagrams.įirst of all, a swimlane diagram serves as a clean, easy-to-follow way to identify multiple actors or phases in a system. What are the advantages of using a swimlane diagram? The end representation of the diagram is reminiscent of swimlanes in a pool, thus the moniker. (Vertical swimlanes are more common in UML Activity diagrams, while horizontal swimlanes are more common BPMN flowcharts.) Whether displayed in rows or columns, the information is always displayed in a logical, chronological order.Ī simple example of a swimlane diagram is below, showing the process employees use to request computer equipment, along with the actor who is responsible for each sub-process. Lanes may be displayed in horizontal rows or vertical columns. A swimlane diagram is a type of process flow diagram (also sometimes called a cross-functional diagram) that features divisions or "lanes." Each lane is assigned an actor (which may be an individual, department, division, group, machine, entity, and so on), or even a phase or stage in a process, that is responsible for the activity or work described in the lane.
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