Quality of Service (QoS) in Industrial Networks — Prioritizing Control Traffic for Deterministic Performance
Introduction Programmable Logic Controllers (PLCs), drives, and sensors must exchange control data within precise time intervals. Even small variations in latency can cause jitter, disrupt synchronization, or trigger system faults. However, as modern plants integrate more devices—vision systems, data loggers, HMIs, and cloud gateways—the shared…

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