Abstract
The combination of the Internet of Things (IoT) and Cloud computing paradigms gave rise to a new concept known as Cloud of Things (CoT). In this new paradigm, the cloud essentially acts as an intermediate layer between smart objects and applications that make use of data and resources provided by these ob-jects. By leveraging such paradigm, the IoT can benefit from the almost unlimited resources of a cloud computing to implement the management and composition of services related to smart objects and the data they produce. On the other hand, the cloud can benefit by broadening its operation scope to deal with real-world objects. Despite the potential advantages of CoT, there are several research challenges to be investigated for the full realization of such paradigm and to achieve the promised benefits. A key issue concerns the development of a virtualization model for things that simultaneously meets the requirements of various applications while respecting the resource constraints of IoT devices. Other major issues concern (i) properly and efficiently assigning tasks to the several entities involved in CoT (things, cloud platforms and intermediary gateways), (ii) dealing with the huge amount of data produced by things, (iii) providing several types of security for applications, data and devices, and (iv) building applications for such envi-ronments. In this context, the goal of this project is to investigate and propose solutions to address all these challenges, in order to contribute to enable the full realization of the CoT paradigm. The proposed solutions will be developed as a set of services, integrated into a software framework at the middleware level, built from a Reference Architecture (RA) specifically tailored for CoT environments. (AU)
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