Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
HardwareRedes•3 min

Prototyping Mesh Networks in Low-Power Embedded Systems

Master the technical trade-offs and best practices for creating mesh network devices that operate on batteries for years. We explore protocols and hardware design strategies for your next IoT project.

RedesDevOps•2 min

Cloud Network Segmentation: Cilium, Network Policies, and BGP

Master efficient cloud microsegmentation using eBPF-powered Cilium and the BGP routing protocol. Learn how to achieve granular security and scalable connectivity in modern clusters.

AutomaçãoRedes•2 min

Building System Integration via BACnet/IP Protocol and Gateways

Learn how BACnet/IP unifies building automation devices and how the strategic use of gateways resolves communication bottlenecks in complex networks. Understand the architectural decisions required to ensure interoperability across HVAC, lighting, and security systems.

RedesArquitetura•2 min

Implementing BGP Anycast Routing for Layer 3 Geographic Load Balancing

Learn how BGP Anycast allows announcing the same IP prefix from multiple global locations, routing users to the nearest network node. A technical deep dive into Layer 3 routing architectures for high availability systems.

RedesDevOps•6 min

Network Traffic Analysis with Deep Packet Inspection Using eBPF and Native Linux Kernel Tools

Learn how to intercept, filter, and analyze high-speed network packets using eBPF and native Linux tools without weighing down your system with legacy software.

RedesDevOps•4 min

Implementation of Mesh Tunneling Protocols with WireGuard in Hybrid Infrastructures

Learn how to build decentralized virtual private networks connecting on-premises servers and public clouds using WireGuard and mesh topologies for maximum resilience and lower latency.

RedesDevOps•4 min

Edge Container Orchestration with K3s and Distributed Storage

Learn how to maintain resilient applications in remote locations using K3s, a lightweight Kubernetes distribution, paired with distributed storage for unstable networks.

BackendRedes•3 min

Industrial Telemetry Stream Processing with Apache Kafka and Mutual TLS Connections

Learn how to build a robust data ingestion architecture for smart factories using Apache Kafka and mutual encryption. We ensure high availability and security in mission-critical environments.

Redes•4 min

Home Network and IoT Isolation with Tagged VLANs and OpenSource Routers

Learn how to isolate smart home devices and home networks using OpenWrt routers and managed switches with tagged VLANs. Protect your infrastructure against leaks and insecure hardware.

HardwareRedes•3 min

Building Low Power NAS Storage with ARM Controllers and ZFS

Learn how to design an energy-efficient network attached storage server using affordable ARM boards and the ZFS file system for robust data integrity.