Abstract
A system model can be developed and designed using data flow diagram (DFD) in a system development life cycle (SDLC). DFD is a set of graphical diagrams with different levels for specifying, constructing, visualizing and showcasing the transformation of flow of data to model a system. Though not obsolete, DFD is used in defining and specifying the functional requirements of a system in a graphical view. Although formalization and semantics consistency is missing in traditional DFD representation. In this paper, we focus on transformation of DFD into Petri net representation to represent the system in a more systematic way. Hence, we quote a need for translation DFD to Petri net. The translation into Petri net is based on the abstract syntax of DFD. DFD level 1 and level 2 types of diagrams are transformed into Petri net, as context level diagrams do not represent transition of data flow between processes.
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