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Recently, we have witnessed numerous benefits of exploiting Cloud Computing models and technologies in the context of the Internet of Things and Edge Computing. However, utility-based provisioning paradigm, one of the most important properties of Cloud Computing, is yet to be realized in emerging IoT Cloud systems. In this paper, we introduce a novel middleware, which provides comprehensive support for multi-level provisioning of IoT Cloud systems. The main features of our middleware include: i) A generic, light-weight resource abstraction mechanism, which enables application-specific customization of Edge devices; ii) Support for automated provisioning of Edge resources and application components in a logically centralized manner, via dynamically managed APIs; and iii) Flexible provisioning models that enable self-service, on-demand consumption of the Edge resources. We evaluate our middleware using real-life applications in the domain of building management systems.
Nastić et al. (2016) studied this question.