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Published in:
2011 | OriginalPaper | Chapter
Multi-layered Monitoring and Adaptation
Authors : Sam Guinea, Gabor Kecskemeti, Annapaola Marconi, Branimir Wetzstein
Published in: Service-Oriented Computing
Publisher: Springer Berlin Heidelberg
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Service-based applications have become more and more multi-layered in nature, as we tend to build software as a service on top of infrastructure as a service. Most existing SOA monitoring and adaptation techniques address layer-specific issues. These techniques, if used in isolation, cannot deal with real-world domains, where changes in one layer often affect other layers, and information from multiple layers is essential in truly understanding problems and in developing comprehensive solutions.
In this paper we propose a framework that integrates layer specific monitoring and adaptation techniques, and enables multi-layered control loops in service-based systems. The proposed approach is evaluated on a medical imaging procedure for Computed Tomography (CT) Scans, an e-Health scenario characterized by strong dependencies between the software layer and infrastructural resources.