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Deep dives, tutorials, and insights on MQTT, IoT messaging, and enterprise architecture

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Modbus Protocol: RTU, TCP/IP, ASCII, and IIoT Explained
Protocols12 min read

Modbus Protocol: RTU, TCP/IP, ASCII, and IIoT Explained

The Modbus protocol connects industrial devices such as PLCs, meters, drives, and gateways through a compact, vendor-neutral request-response model.…

Philip Ackermann
Philip AckermannSeptember 11, 2026
BACnet Protocol: Technical Guide for Building Automation
Protocols12 min read

BACnet Protocol: Technical Guide for Building Automation

The BACnet protocol is the global standard (ANSI/ASHRAE 135, ISO 16484-5) for building automation and control networks. This guide explains how…

Philip Ackermann
Philip AckermannSeptember 10, 2026
What Is MQTT-SN? Protocol, Architecture and Use Cases Explained
Protocols11 min read

What Is MQTT-SN? Protocol, Architecture and Use Cases Explained

MQTT-SN (MQTT for Sensor Networks) adapts MQTT's publish/subscribe model for constrained devices that lack a full TCP/IP stack, running over datagram…

Philip Ackermann
Philip AckermannSeptember 9, 2026
MQTT vs. RabbitMQ: How to Choose the Right Broker
Comparison11 min read

MQTT vs. RabbitMQ: How to Choose the Right Broker

MQTT is a lightweight publish-subscribe protocol; RabbitMQ is a multi-protocol message broker with an MQTT plugin. This guide separates the protocol…

Philip Ackermann
Philip AckermannSeptember 9, 2026
OPC UA: The Standard Powering Industry 4.0
Protocols9 min read

OPC UA: The Standard Powering Industry 4.0

OPC UA is a vendor-independent communication standard that gives industrial machine data a shared meaning and builds security into the protocol…

Philip Ackermann
Philip AckermannSeptember 9, 2026
Message Broker: How Does It Work and When Does It Pay Off?
MQTT basics12 min read

Message Broker: How Does It Work and When Does It Pay Off?

A message broker is a middleware component that decouples data producers from consumers by handling routing, persistence, and delivery between…

Philip Ackermann
Philip AckermannSeptember 8, 2026
MQTT Client: How to Choose, Configure, and Operate the Right Tool for Your Environment
MQTT basics12 min read

MQTT Client: How to Choose, Configure, and Operate the Right Tool for Your Environment

Most MQTT client problems come from configuration, not the protocol: misconfigured TLS, wrong QoS assumptions, and clients that pass testing but…

Philip Ackermann
Philip AckermannSeptember 8, 2026
OT Security: A Practical Guide to Protecting Industrial Systems
MQTT security11 min read

OT Security: A Practical Guide to Protecting Industrial Systems

OT security protects the availability and safety of industrial control systems, SCADA, and IIoT devices, not just data confidentiality. This guide…

Philip Ackermann
Philip AckermannSeptember 8, 2026
NIS2: What OT and IIoT Teams Need to Know About Compliance
MQTT security11 min read

NIS2: What OT and IIoT Teams Need to Know About Compliance

NIS2 can make broker security, access control, and monitoring part of your legal obligations rather than internal best practices. This guide explains…

Philip Ackermann
Philip AckermannSeptember 7, 2026
IoT Integration: Connecting Devices, Systems & Industrial Workflows
Industry 4.012 min read

IoT Integration: Connecting Devices, Systems & Industrial Workflows

IoT integration succeeds when devices, data pipelines, and existing IT systems behave as one connected environment. This guide explains what IoT…

Alex Reisler
Alex ReislerSeptember 4, 2026
AMQP vs. MQTT: Technical Comparison for Enterprise Messaging and IIoT
Protocols12 min read

AMQP vs. MQTT: Technical Comparison for Enterprise Messaging and IIoT

AMQP and MQTT solve different problems: MQTT delivers lightweight publish/subscribe for IIoT and edge telemetry, while AMQP adds transactional…

Philip Ackermann
Philip AckermannSeptember 2, 2026
MQTT vs. CoAP: Which Protocol Fits Your IoT Architecture?
Protocols13 min read

MQTT vs. CoAP: Which Protocol Fits Your IoT Architecture?

MQTT and CoAP both target constrained IoT environments but make different architectural choices: MQTT uses TCP and a broker-based pub/sub model, CoAP…

Philip Ackermann
Philip AckermannSeptember 2, 2026

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