Abstract. In future Cloud ecosystems, brokers will mediate between service providers and consumers, playing an increased role in quality assurance, checking services for functional compliance to agreed standards, among other aspects. To date, most Software-as-a-Service (SaaS) testing has been performed manually, requiring duplicated effort at the development, certification and deployment stages of the service lifecycle. This paper presents a strategy for achieving automated testing for certification and re-certification of SaaS applications, based on the adoption of simple state-based and functional specifications. High-level test suites are generated from specifications, by algorithms that provide the necessary and sufficient coverage. The high-level tests must be grounded for each implementation technology, whether SOAP, REST or richclient. Two examples of grounding are presented, one into SOAP for a traditional web service and the other into Selenium for a SAP HANA rich-client application. The results demonstrate good test coverage. Further work is required to fully automate the grounding.

Part 18: Optimization in Collaborative NetworksInternational audienceWith the rise of cloud computing, enterprises increasingly rely for their daily operations on heterogeneous externally-sourced cloud services that span different levels of capability. Their IT environment is thus progressively transformed into an ecosystem of intertwined infrastructure, platform, and application services. To effectively manage the ensuing complexity, enterprises are anticipated to increasingly rely on cloud service brokerage (CSB). This work presents a conceptual architecture for a framework which provides solutions with respect to the quality assurance and optimisation dimensions of CSB in the context of virtual enterprises. The framework revolves around three general themes, namely governance and quality control, failure prevention and recovery, and optimisation

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The FUSION approach proposes both a conceptual framework and a system architecture that supports the composition of business processes using semantically annotated web services as bui/ding bloch. Results will be validated by supporting collaborative commercial proo/:orconcept pilots. The FUSION approach willfacilitate trans-national pilot cases having operations spanning the enlarged Europe. in particular: integration of transactions of a franchising .firm, provision of career and human resource management services, collaboration of companies in a chain of schools of /iJreign languages. The paper provides an overview on the FUSION approach and illustrates how it can be applied on one of the pilot cases.