Engineering Service Oriented Applications: From StPowla Processes to SRML Models

Service Oriented Computing is a paradigm for developing software systems as the composition of a number of services. Services are loosely coupled entities, can be dynamically published, discovered and invoked over a network. The engineering of such systems presents novel challenges, mostly due to the dynamicity and distributed nature of service-based applications. In this paper, we focus on the modelling of service orchestrations. We discuss the relationship between two languages developed under the SENSORIA project: SRML as a high level modelling language for Service Oriented Architectures, and STPOWLA as a process-oriented orchestration approach that separates core business processes from system variability at the end-user's level, where the focus is towards achieving business goals. We also extend the current status of STPOWLA to include workflow reconfigurations. A fundamental challenge of software engineering is to correctly align business goals with IT strategy, and as such ...

• Type: Conference
• Year: 2008
• Where: FASE
• Authors: Laura Bocchi, Stephen Gorton, Stephan Reiff-Marganiec
• Keywords: Business Goals, FASE 2008, Process-oriented Orchestration Approach, Service Oriented Computing, Software Engineering