Hosting and Using Services with QoS Guarantee in Self-adaptive Service Systems

Abstract : In service-oriented computing, the vision is a market of services with alternative providers offering the same services with different cost and quality of service (QoS) properties, where applications form and adapt dynamically through dynamic service discovery and binding. To ensure decent and stable QoS to end users and efficient use of resources, it is required that both client applications and service implementations are able to adapt both their internal configuration and their binding to other actors in response to changes in the environment. To this end, service level negotiation and agreements (SLA) are important to ensure coordinated end to end adaptation. In this paper we propose a solution based on the integration of an SLA mechanism into a compositional adaptation planning framework and describe a simple yet powerful implementation targeted for resource constrained mobile devices. As validation we include a case study based on a peer-to-peer distributed mobile application.
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Shanshan Jiang, Svein Hallsteinsen, Paolo Barone, Alessandro Mamelli, Stephan Mehlhase, et al.. Hosting and Using Services with QoS Guarantee in Self-adaptive Service Systems. 10th IFIP WG 6.1 International Conference on Distributed Applications and Interoperable Systems (DAIS) / Held as part of International Federated Conference on Distributed Computing Techniques (DisCoTec), Jun 2010, Amsterdam, Netherlands. pp.15-28, ⟨10.1007/978-3-642-13645-0_2⟩. ⟨hal-01061081⟩

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