Reference : IoTEF: A Federated Edge-Cloud Architecture for Fault-Tolerant IoT Applications
Scientific journals : Article
Engineering, computing & technology : Computer science
IoTEF: A Federated Edge-Cloud Architecture for Fault-Tolerant IoT Applications
Javed, Asad mailto [Aalto University > Department of Computer Science]
Robert, Jérémy mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Heljanko, Keijo mailto [University of Helsinki > Department of Computer Science]
Främling, Kary mailto [Umea ̊ University > Department of Computing Science]
Journal of Grid Computing
Kluwer Academic Publishers
Yes (verified by ORBilu)
[en] Internet of Things ; Distributed systems ; Edge ; Cloud ; Microservice ; Containers ; Smart buildings ; Kubernetes ; Kafka
[en] The evolution of Internet of Things (IoT) technology has led to an increased emphasis on edge computing for Cyber-Physical Systems (CPS), in which applications rely on processing data closer to the data sources, and sharing the results across heterogeneous clusters. This has simplified the data exchanges between IoT/CPS systems, the cloud, and the edge for managing low latency, minimal band- width, and fault-tolerant applications. Nonetheless, many of these applications administer data collec- tion on the edge and offer data analytic and storagecapabilities in the cloud. This raises the problem of separate software stacks between the edge and the cloud with no unified fault-tolerant management, hin- dering dynamic relocation of data processing. In such systems, the data must also be preserved from being corrupted or duplicated in the case of intermittent long-distance network connectivity issues, malicious harming of edge devices, or other hostile environ- ments. Within this context, the contributions of this paper are threefold: (i) to propose a new Internet of Things Edge-Cloud Federation (IoTEF) architec- ture for multi-cluster IoT applications by adapting our earlier Cloud and Edge Fault-Tolerant IoT (CEFIoT) layered design. We address the fault tolerance issue by employing the Apache Kafka publish/subscribe platform as the unified data replication solution. We also deploy Kubernetes for fault-tolerant manage- ment, combined with the federated scheme, offering a single management interface and allowing automatic reconfiguration of the data processing pipeline, (ii) to formulate functional and non-functional requirements of our proposed solution by comparing several IoT architectures, and (iii) to implement a smart build- ings use case of the ongoing Otaniemi3D project as proof-of-concept for assessing IoTEF capabilities. The experimental results conclude that the architecture minimizes latency, saves network bandwidth, and handles both hardware and network connectivity based failures
H2020 ; 688203 - bIoTope - Building an IoT OPen innovation Ecosystem for connected smart objects

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