Marcio Cunha

Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

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DevOpsRedes•4 min

Package Integrity Validation in Arch Linux Based Systems with Custom Digital Signatures

Learn how to build a secure custom digital signature mechanism for packages in Arch Linux-based distributions, ensuring complete control over the software supply chain.

AutomaçãoRedes•5 min

Implementing Modbus TCP to MQTT Gateways at the Edge

Learn how to build efficient bridges between legacy industrial networks and cloud platforms using data type conversion and robust edge exception handling.

AutomaçãoRedes•5 min

Clock Synchronization in Industrial Networks with PTP for Telemetry Collection

Learn how the Precision Time Protocol delivers microsecond accuracy in automation networks, enabling real-time telemetry analysis and consistent diagnostics.

AutomaçãoRedes•4 min

Smart Home Device Orchestration with Load Balancing in Local Mesh Network Topologies

Learn how to structure a local mesh network to distribute smart device traffic, preventing bandwidth bottlenecks and connection drops in home automation.

RedesEngenharia•4 min

Industrial Ethernet Packet Loss Diagnosis Using Physical Layer Error Counters

Learn how to diagnose packet loss in industrial Ethernet networks through deep analysis of physical layer error counters and cable health.

RedesAutomação•3 min

Industrial Network Isolation: VLANs and eBPF Segmentation

Learn how to protect critical industrial environments by combining traditional VLANs and the power of eBPF for secure runtime packet interception and filtering without performance loss.

AutomaçãoRedes•3 min

Hybrid Architecture for Building Automation: Dynamic Mapping Between BACnet and MQTT

Learn how to integrate legacy building automation systems using a dynamic bridge between BACnet and MQTT, combining industrial robustness with cloud flexibility.

RedesDevOps•4 min

Bottleneck Mitigation Strategies in Traffic Routing Systems with L4 and L7 Load Balancing

Learn how to identify and resolve operational bottlenecks in transport and application layer load balancing architectures to ensure high availability.

RedesAutomação•4 min

Edge IoT Device Orchestration with MQTT-SN and SQLite

Learn how to connect unstable sensors using the MQTT-SN protocol for constrained bandwidth networks and local SQLite storage to ensure offline data persistence.

RedesDevOps•4 min

Network Latency Monitoring in Distributed Clusters with eBPF Based Distributed Tracing

Learn how to track network bottlenecks in microservices and distributed clusters using eBPF, the Linux kernel technology that measures performance without changing application code.