View article

Service-oriented architecture supports the definition and execution of complex business processes in a flexible way. A service-based application assembles the functionality provided by disparate, remote services in a seamless way. Since the architectural style prescribes that all features be provided remotely, these applications adapt to changes and new business needs by selecting new partner services to interact with. Despite the success of the architectural style, a clear link between the actual applications and the requirements they are supposed to meet is still missing. The embedded dynamism also imposes that requirements properly state how an application can evolve and adapt at runtime. We solve these problems by extending classical goal models to represent both conventional (functional and non-functional) requirements and adaptation policies. The goal model is then used to automatically …