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open62541
Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Why don't you use a standardized industrial protocol, that support these requirements? Would perhaps OPC UA meet your needs? There are a number of open source implementations and the standard itself is open, too.
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