Algebras and Formal Languages
ISO has developed two formal description techniques, LOTOS and ESTELLE, for communication purposes. Both are composed of a mathematical model and language elements. The LOTOS model is based on the Calculus of Communicating Systems (CCS). This section deals with the fundamental notions and basic elements of the CCS and gives an introduction to its syntax, semantics and algebraic structure. Finally an example demonstrates how the CCS can be used for protocol specification.
KeywordsBehaviour Expression Production Rule Behaviour Tree Operation Symbol Abstract Data Type
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