A Survey of Industrial Internet of Things Platforms for Establishing Centralized Data-Acquisition Middleware: Categorization, Experiment, and Challenges

<div>Experiment architecture of IIoT data-acquisition middleware using a welding machine. (a) On-premises environment using wired communication. (b) On-premises environment using LTE communication.</div>

Scientific Programming

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Figure 3: A Survey of Industrial Internet of Things Platforms for Establishing Centralized Data-Acquisition Middleware: Categorization, Experiment, and Challenges 

Figure 3 | A Survey of Industrial Internet of Things Platforms for Establishing Centralized Data-Acquisition Middleware: Categorization, Experiment, and Challenges 