Abstract
The Industrial Internet of Things (IIoT) is one of the most demanding IoT applications. The insertion of industries in the context of smart cities and other smart environments, allied with new communication technologies such as 5G, brings a new horizon of possibilities and new requirements. These requirements include low latency, the support of a massive quantity of devices and data, and the need to support horizontal communications between devices at the edge level. To make this feasible, it is necessary to establish an IIoT-to-cloud continuum distributing federated brokers across the infrastructure and providing scalability and interoperability. To attend this type of application, we present the Helix Multi-layered IoT platform and its operating modes. We report and discuss its real-world deployment in the Aveiro Tech City Living Lab in Aveiro, Portugal with functional and performance tests. We tested device-to-device communication across edge and core layers and also interconnected the infrastructure with one in São Paulo, Brazil, replicating the use of a global industry. The successful deployment validates the use of a Helix Multi-layered IoT platform as a suitable backend platform for IIoT applications capable of establishing the IIoT-to-cloud continuum. It also helps for the deployment of other applications in such a domain.
Highlights
Technological advances in diverse areas of knowledge enable the emergence of complex, responsive, resourceful, and capable smart environments that can supply better conditions for human activities
Data are sent via message queuing telemetry transport (MQTT) to the ThingsBoard Internet of Things (IoT) platform located in the cloud, showing that the approach significantly reduces the amount of data sent to the cloud
We proposed an integrated architecture and presented experiments with the Helix Multi-layered platform at the Aveiro Tech City Living Lab to validate the operating modes used to establish an Industrial Internet of Things (IIoT)-to-cloud continuum integrating a smart city’s infrastructure to the industry’s ecosystem
Summary
Technological advances in diverse areas of knowledge enable the emergence of complex, responsive, resourceful, and capable smart environments that can supply better conditions for human activities. The Internet of Things (IoT) stands out as one of the enabling technologies responsible for this transformation and for the emergence of applications such as smart meters, logistics systems, and fleet monitoring, which assume millions of devices connected in the same coverage area. The overall infrastructure must fully meet the application requirements to accommodate the high density of devices, low latency, and the communication between devices at all infrastructure layers while promoting interoperability, highlighting the need to rethink conventional cloud computing for efficient support for IoT applications. Applications (e.g., smart factory, smart plant, and smart supply chain) present important factory and process automation scenario requirements that follow a production cycle involving stages, such as receiving raw materials, preparing machines, producing parts, counting, quality analysis, packaging, distribution logistics, and personnel management. Low latency in operations and high availability of services, together with a secure and resilient technological infrastructure, can add tremendous value to the entire production chain
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