Abstract
The Internet of Things (IoT) ecosystem is gaining momentum in urban environments where several devices, originally deployed for a specific purpose and belonging to different technologies, are now linked together to harmonize heterogeneous and holistic scenarios. Early deployments have proven their value, but novel use cases such as automotive, public safety, and e-health are being considered in the context of smart cities. Such use cases demand new and stringent requirements that cannot be supported by current solutions in terms of both latency and computing power. In order to meet these requirements in a cost-efficient manner, the multi-access edge computing (MEC) paradigm is considered here as currently being defined by the ETSI MEC Industry Specification Group. In this article, we propose an ETSI-compliant MEC architectural solution that allows seamlessly integrating existing and future IoT platforms. In addition, an IoT gateway middleware is presented as a novel component that enables running low-latency and computationally intensive applications on generalized MEC-based systems.
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