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Practical fault management in service-oriented systems requires dynamic monitoring of services for SLA violations, failures and undesirable changes in the system runtime environment. It should also include effective fault recovery strategies, and be transparent and lightweight to enhance trust and to minimise the load on the consumer and providers. This paper describes a technology-independent fault...
Enterprises are increasingly pervasive with users and services belonging to different domains. Cross-enterprise business collaborations are soaring and so are business relationships with complex access control rules. Business rules no longer come from a single source. There is a need for multiple administrators to define rules that apply to their part of the collaboration. Traditional access control...
In this demonstration we present an approach to engineering service brokering requirements and capabilities using the concepts of Service Modes. The demonstration illustrates building service modes in UML2 with Rational Software Modeller, transforming modes in WS-Engineer and generating artefacts for runtime service brokering.
SLA driven service transaction has been identified as a key challenge to take advantage of a SOA. FAST System provides a software framework for the automated creation of SLAs. In particular it have been developed as an extension to the ESB (Enterprise Service Bus) paradigm to create a transparent SLA management layer that drives any service invocation. Our framework has been successfully applied in...
In this demonstration we introduce Gelee, our online platform for the hosted specification and cooperative execution of lifecycles of artifacts of any kind. With Gelee we aim at filling two lacks we identify in current cooperative software systems when it comes to unstructured, artifact-based works (e.g., the writing of a project deliverable): the lack of state and the complete lack of automated actions...
Traditional integration practices like Enterprise Application Integration and Enterprise Information Integration approaches typically focus on the application layer and the data layer in software systems, i.e., on limited and specific development aspects. Current web mashup practices, instead, show that there is also a concrete need for (i) integration at the presentation layer and (ii) integration...
The Sec-MoSC Tooling supports modelling and enforcement of security abstractions in business processes and service composition. It offers a novel approach consisting of abstractions and methods for capturing and enforcing security requirements in service composition.
Pervasive systems, and domotics in particular, is an application area where heterogeneity is the norm, with thousands of autonomous heterogeneous devices live together and need to interoperate. One of the greatest difficulties in developing middleware for smart homes is that this kind of systems are extremely difficult to test and verify. We propose to reduce the testing costs by replacing actual...
In the Internet of Services vision, services are traded via internet service marketplaces. Service provisioning is regulated by service level agreements (SLAs). In this demonstration we present an infrastructure which supports SLA creation and negotiation as well as service provisioning and monitoring based on SLAs in the context of service marketplaces. It is an implementation of the work presented...
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