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Paper Details

A Graphical Modeling Language for Specifying Concurrency based on CSP

Authors: Hilderink, Gerald H.


In this paper, we introduce a graphical specification language for modeling concurrency in software design. The language notations are derived from CSP and the resulting designs form so-called CSP diagrams. The notations reflect data-flow aspects, control-flow aspects, and they reflect CSP algebraic expressions that can be used for formal analysis. The designer does not have to be aware of the underlying mathematics. The techniques and rules presented provide guidance to the development of concurrent software architectures. One can detect and reason about compositional conflicts (errors in design), potential deadlocks (errors at run-time), and priority inversion problems (performance burden) at a high level of abstraction. The CSP diagram collaborates with object-oriented and structured methods. The CSP diagram is UMLable and can be presented as a new process diagram for the UML to capture concurrent, real-time, and event-flow oriented software architectures. The extension to the UML is not presented in this paper.


Communicating Process Architectures 2002, James S. Pascoe, Roger J. Loader, Vaidy S. Sunderam, 2002, pp 255 - 284 published by IOS Press, Amsterdam

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