Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
RedesAutomação•6 min

Clock Synchronization in Industrial Ethernet Networks with Precision Time Protocol

Learn how the Precision Time Protocol delivers nanosecond accuracy in industrial networks. Discover practical operations, topology challenges, and the importance of hardware clocks in modern automation.

RedesHardware•4 min

LoRaWAN Sensor Network Modeling: Adaptive Data Rate Management and Low Power Design

Learn how to design low-power wireless sensor networks using the LoRaWAN protocol and adaptive data rate algorithms to maximize battery autonomy and spectral efficiency.

DevOpsRedes•4 min

Building Isolated Multi-Tenant Systems with Namespaces and Restrictive Network Policies in Kubernetes Environments

Learn how to isolate workloads in Kubernetes using logical namespaces and restrictive network traffic rules to ensure security in shared environments.

RedesDevOps•3 min

Dynamic Routing Architecture in Overlay Networks with WireGuard Tunneling at Global Scale

Learn how to build robust global overlay networks combining dynamic routing protocols like BGP with the cryptographic simplicity of WireGuard to eliminate latency bottlenecks.

RedesDevOps•4 min

Mitigating DNS Water Torture Attacks on Recursive Resolvers Using eBPF-Based Filtering

Learn how to block denial-of-service attacks on DNS servers by using eBPF to filter malicious requests directly within the operating system kernel.

AutomaçãoRedes•4 min

Control Systems Modeling for Industrial Actuators with Active Redundancy via EtherCAT Protocol

Learn how to design fault-tolerant control architectures for industrial actuators, utilizing active redundancy and the deterministic speed of the EtherCAT protocol to eliminate downtime.

BackendRedes•4 min

Mitigating Application Layer Denial of Service Attacks with Distributed Token Bucket Rate Limiting

Learn how to protect APIs and backend servers against malicious overloads using distributed rate limiters based on the token bucket algorithm. Master consistency, latency, and resilience in modern distributed environments.

RedesDevOps•5 min

BGP Anycast Routing for Global Load Balancing in High-Scale Infrastructures

Learn how BGP Anycast routing distributes traffic globally, reducing latency and increasing the resilience of large-scale content delivery networks and web services.

RedesDevOps•4 min

Network Functions Virtualization with eBPF for Application Layer Packet Inspection Without Context Switch Overhead

Learn how eBPF enables application layer packet inspection with maximum performance, eliminating the operational overhead of switching data between the operating system kernel and user space programs.

AutomaçãoRedes•4 min

Industrial Telemetry Collection and Aggregation Architecture with Sparkplug B and Distributed MQTT Brokers

Learn how to build a robust industrial telemetry architecture using the Sparkplug B protocol over distributed MQTT brokers to ensure reliable and standardized data delivery.