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The Specification and Description Language provides both a graphical Graphic Representation (SDL/GR) as well as a textual Phrase Representation (SDL/PR), which are both equivalent representations of the same underlying semantics. Models are usually shown in the graphical SDL/GR form, and SDL/PR is mainly used for exchanging models between tools. A system is specified as a set of interconnected abstract machines which are extensions of finite state machines (FSM). ... The language is formally complete, so it can be used for code generation for either simulation or final targets. ... The Specification and Description Language covers five main aspects: structure, communication, behavior, data, and inheritance. The behavior of components is explained by partitioning the system into a series of hierarchies. Communication between the components takes place through gates connected by channels. The channels are of delayed channel type, so communication is usually asynchronous, but when the delay is set to zero (that is, no delay) the communication becomes synchronous.

Tags: language  

Last modified 22 May 2020