Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
HardwareRedes•5 min

Noise and Crosstalk Mitigation in High-Speed Industrial Communication Buses

Learn how proper shielding, line termination, and physical routing eliminate electromagnetic interference in high-speed industrial networks like CANopen and RS-485.

RedesArquitetura•6 min

Multi-Region Service Meshes: Latency-Based Routing and Transparent Failover

Learn how to design globally distributed microservices architectures using service meshes to optimize response times and ensure high availability.

RedesEngenharia•4 min

Latency Mapping and Diagnostics in Software-Defined Networks

Learn how to track and isolate delay bottlenecks in software-defined network architectures by combining packet inspection and real-time telemetry.

RedesAutomação•4 min

Integrating Industrial IoT Devices into Low-Power Long-Range Mesh Networks

Learn how to connect distant industrial sensors using long-range, low-power mesh networks, ensuring resilience and reliable communication on the factory floor.

DevOpsRedes•4 min

Link Layer Fault Injection and Variable Latency in Continuous Integration Pipelines

Learn how to simulate physical network instability and packet loss directly in your continuous integration environment to test distributed system resilience before production deployment.

AutomaçãoRedes•5 min

Bidirectional Data Bridge Between BACnet IP Networks and Modbus TCP Buses with Ring Buffer

Learn how to architect a high-reliability data bridge integrating BACnet IP networks with Modbus TCP buses using a ring buffer to prevent packet loss.

RedesAutomação•4 min

Exception Handling and Connection Recovery in Unstable Modbus TCP Networks

Learn how to build resilient automation systems handling Modbus TCP packet drops using exponential backoff and jitter algorithms.

RedesDevOps•4 min

Emulating Unstable Network Links with Netem for gRPC Client Resilience Testing

Learn how to apply network failure simulations using the Netem tool on Linux systems to test gRPC client behavior under latency, packet loss, and severe instability.

DevOpsRedes•5 min

ZFS Array Health Monitoring with Predictive Alerts Using Prometheus and Grafana

Learn how to build a predictive monitoring system for ZFS pools using ZFS Exporter, Prometheus, and Grafana, ensuring high availability in home servers.

RedesDevOps•3 min

Traffic Analysis and Packet Routing with eBPF XDP on Linux Edge Gateways

Learn how eBPF XDP revolutionizes packet routing and filtering in Linux edge gateways, processing millions of packets per second directly at the network interface driver.