Support for Evolving Software Architectures in the ArchWare ADL

Software that cannot evolve is condemned to atrophy: it cannot accommodate the constant revision and renegotiation of its business goals nor intercept the potential of new technology. To accommodate change in software systems we have defined an active software architecture to be: dynamic in that the structure and cardinality of the components and interactions are changeable during execution; updatable in that components can be replaced; decomposable in that an executing system may be (partially) stopped and split up into its components and interactions; and reflective in that the specification of components and interactions may be evolved during execution. Here we describe the facilities of the ArchWare architecture description language (ADL) for specifying active architectures. The contribution of the work is the unique combination of concepts including: a -calculus based communication and expression language for specifying executable architectures; hyper-code as an underlying repres...

• Type: Journal
• Year: 2010
• Where: CORR
• Authors: Ronald Morrison, Graham N. C. Kirby, Dharini Balasubramaniam, Kath Mickan, Flávio Oquendo, Sorana Cîmpan, Brian Warboys, Bob Snowdon, R. Mark Greenwood
• Keywords: Active Software Architecture, Architectures, CORR 2010, Education, Software