Formalizing Architectural Connection
Authors: Robert Allen and David Garlan
Proceedings of the 16th International Conference on Software
Engineering, May 1994.
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As software systems become more complex the overall system
structure, or software architecture, becomes a central design
problem. An important step towards an engineering discipline of
software is a formal basis for describing and analyzing these
designs. In this paper we present a theory for one aspect of
architectural description: the interactions between components.
the key idea is to define architectural connectors as explicit
semantic entities. These are specified as a collection of
protocols that characterize each of the participant roles in an
interaction and how these roles interact. We illustrate how this
scheme can be used to define a variety of common architectural
connectors. We provide a formal semantics and show how this leads
to a sound deductive system in which architectural compatibility
can be checked in a way analogous to type checking in programming
Keywords: Software Architecture, Formal Description, Architectural Connector, Formal Semantics, Compatibility Checking
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