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Sensors 2018, 18(8), 2611;

Performance Analysis of Latency-Aware Data Management in Industrial IoT Networks

Institute of Informatics and Telematics, National Research Council, 56124 Pisa, Italy
This paper is an extended version of our paper published in The 4th IEEE International Workshop on Cooperative Wireless Networks (CWN) 2017, which was co-located with the IEEE 13th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob).
Author to whom correspondence should be addressed.
Received: 6 July 2018 / Revised: 31 July 2018 / Accepted: 9 August 2018 / Published: 9 August 2018
(This article belongs to the Special Issue Middleware Solutions for Wireless Internet of Things)
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Maintaining critical data access latency requirements is an important challenge of Industry 4.0. The traditional, centralized industrial networks, which transfer the data to a central network controller prior to delivery, might be incapable of meeting such strict requirements. In this paper, we exploit distributed data management to overcome this issue. Given a set of data, the set of consumer nodes and the maximum access latency that consumers can tolerate, we consider a method for identifying and selecting a limited set of proxies in the network where data needed by the consumer nodes can be cached. The method targets at balancing two requirements; data access latency within the given constraints and low numbers of selected proxies. We implement the method and evaluate its performance using a network of WSN430 IEEE 802.15.4-enabled open nodes. Additionally, we validate a simulation model and use it for performance evaluation in larger scales and more general topologies. We demonstrate that the proposed method (i) guarantees average access latency below the given threshold and (ii) outperforms traditional centralized and even distributed approaches. View Full-Text
Keywords: Industry 4.0; data management; Internet of Things; performance analysis; experimental evaluation Industry 4.0; data management; Internet of Things; performance analysis; experimental evaluation

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Raptis, T.P.; Passarella, A.; Conti, M. Performance Analysis of Latency-Aware Data Management in Industrial IoT Networks. Sensors 2018, 18, 2611.

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