---
title: "Discussion on \"Building a UNS with Open-Source: HiveMQ, Sparkplug B, and Node-RED\" | Hashnode"
description: "Discussion on \"Building a UNS with Open-Source: HiveMQ, Sparkplug B, and Node-RED\". The exact tactical stack to bridge legacy OT networks to a modern Agentic AI infrastructure — without a seven-figure software investment"
url: "https://hashnode.com/posts/agentic-factory-part-2-open-source-stack/6a6807432738ab28c6ab88ee"
---

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# [Building a UNS with Open-Source: HiveMQ, Sparkplug B, and Node-RED](https://roniejoseph.hashnode.dev/agentic-factory-part-2-open-source-stack?utm_source=hashnode&utm_medium=feed)

The exact tactical stack to bridge legacy OT networks to a modern Agentic AI infrastructure — without a seven-figure software investment

Jul 28 · 5 min read · roniejoseph.hashnode.dev  
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-   [#industrial-automation-solutions](https://hashnode.com/tag/industrial-automation-solutions)
-   [#unified-namespace](https://hashnode.com/tag/unified-namespace)
-   [#mqtt](https://hashnode.com/tag/mqtt)
-   [#hivemq](https://hashnode.com/tag/hivemq)
-   [#node-red](https://hashnode.com/tag/node-red)

## Written by

[ronie joseph](https://hashnode.com/@roniejoseph)

@roniejoseph · Bangalore, India

  
[View profile](https://hashnode.com/@roniejoseph)

Industrial Automation Architect | Agentic AI | RAG | Loop Engineering

I am a Senior Automation Manager and Aspiring Technical Fellow specializing in the intersection of legacy industrial manufacturing and next-generation AI architectures. Throughout my career, I have navigated the complex realities of Tier-1 CapEx facility expansions, bridging the gap between high-speed physical automation (PLCs, SCADA, PackML) and modern digital infrastructure. My current focus is on transforming traditional, deterministic factory floors into autonomous, closed-loop ecosystems. On this blog, I write deep-dive technical breakdowns on: Agentic Orchestration: Deploying autonomous AI agents to manage factory exceptions and maintenance loops. Unified Namespace (UNS) & MQTT: Breaking down legacy point-to-point data silos. Loop Engineering & RAG: Implementing Retrieval-Augmented Generation at the edge to solve supply chain and flexibility bottlenecks in hyperscale manufacturing. I believe the future of industrial automation isn't just about faster machines—it is about deploying intelligent software architectures (like the Model Context Protocol) that can reason, decide, and act in real-time. Always open to discussing Agentic AI, UNS architectures, and the realities of modern manufacturing.

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