On service-oriented architectural concerns and viewpoints

Despite the many publications around the innovation and challenges introduced by SOSE and SOA, the `real´ differences with traditional software engineering and software architecture are still very fuzzy. To better understand the innovative points (if any), in this work we identified seven fundamental differences by conducting a literature review, linked them to some service relevant aspects and mapped the differences & service aspects on the well-known architecture-related concepts of `architectural concerns´ & `architectural viewpoints´. As such, we were able to identify an initial set of requirements for service-oriented viewpoints. If specialized in industrial contexts, we would be able to exemplify innovative points by capturing service relevant aspects. In perspective, this work seems to scale down `innovation´ of SOSE and SOA, to `relevance´ of service aspects to engineering and architecture.