Marcio Cunha

Technical Articles

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

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RedesDevOps•4 min

Network Namespace Isolation and Traffic Analysis with eBPF in High-Density Clusters

Learn how to combine network namespaces and eBPF technology to monitor and isolate traffic in dense server clusters without losing performance or overloading infrastructure.

AutomaçãoRedes•4 min

Secure Industrial Gateways: Modbus to OPC-UA Protocol Translation at the Edge

Learn how to design secure industrial gateways that translate legacy protocols like Modbus to OPC-UA in edge networks, ensuring encryption and data isolation without production downtime.

HardwareRedes•3 min

PCI-e Bus Health Monitoring and Thermal Management in Edge Computing Nodes

Learn how to monitor PCI-e bus health and manage heat in edge computing nodes. Practical engineering strategies to prevent field hardware failures.

DevOpsRedes•3 min

Workload Isolation in Multi-Tenant Environments Using Kernel Namespaces and Virtual Network Layers

Learn how to isolate workloads in multi-tenant infrastructures by combining kernel namespaces and virtual network layers for maximum security and performance.

DevOpsRedes•3 min

Low-Overhead Observability: eBPF Metric Collection in High-Density Environments

Learn how eBPF revolutionizes observability in dense infrastructures by collecting metrics directly in the OS kernel without taxing server CPU.

DevOpsRedes•3 min

Orchestrating Canary Deployments with SLO Metrics in Edge Container Meshes

Learn how to combine gradual canary updates with service level objectives in distributed edge environments, ensuring operational resilience and zero downtime for critical applications.

AutomaçãoRedes•3 min

Building Automation Integration with Modbus TCP and MQTT in Segmented Networks

Learn how to bridge industrial Modbus TCP with lightweight MQTT over segmented networks to build secure, resilient, and scalable smart building automation systems.

DevOpsRedes•4 min

Implementation of High Availability Storage in Homelab Servers with ZFS and Real-Time Replication

Learn how to build a resilient storage system in homelab servers using ZFS for data integrity and real-time replication for seamless fault tolerance.

RedesDevOps•4 min

Adaptive Load Balancing in Reverse Proxies Using CPU Saturation

Learn how adaptive load balancing in reverse proxies, driven by CPU saturation metrics from target nodes, prevents outages and optimizes web application delivery.

RedesHardware•3 min

Structured Cabling Architecture and High Speed Data Transmission in Residential Environments

Learn how to design a robust residential physical network infrastructure using structured cabling to ensure high speed, low latency, and stability across all rooms.