Resumo

CORTES GALICIA, Jorge; MENCHACA GARCIA, Felipe R.  e  MENCHACA MENDEZ, Rolando. LeGESD: A framework oriented to the specification and formal validation of concurrent and distributed systems based on a graphical language and its process algebra semantics. Rev.fac.ing.univ. Antioquia [online]. 2012, n.63, pp.129-140. ISSN 0120-6230.

The specification and formal verification of distributed systems is usually a complex task. It requires extensive knowledge of algorithm theory and modeling of distributed or concurrent systems. In this context, we present LeGESD which is a framework oriented to support the specification and formal validation of concurrent and distributed systems. LeGESD has a graphical formal language for the specification and analysis of distributed systems which is used to describe functional and of communication requirements. The semantics of LeGESD is based on the process algebra. This semantics is also described in this paper and it is called Analysis and Design of Distributed Systems (ADSD). ADSD is an algebraic specification with operational semantics defined to be used with LeGESD. ADSD provides graphical-algebraic equivalence relations which can be used to generate formal specifications of distributed systems. Lastly, this paper presents an example which shows the usefulness and potential of the language and its semantics.

Palavras-chave : Specification; Distributed systems; process algebra.

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