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

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 expl...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2018-08, Vol.18 (8), p.2611
Main Authors: Raptis, Theofanis P, Passarella, Andrea, Conti, Marco
Format: Article
Language:English
Subjects:
Computer simulation
data management
Data transfer (computers)
experimental evaluation
Industrial applications
Industry 4.0
Internet of Things
Nodes
performance analysis
Performance evaluation
Sensors
Wireless networks
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Summary: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.
ISSN:1424-8220
1424-8220
DOI:10.3390/s18082611