Andrey Sydelov Andrey Sydelov

Engineering with SOLID, DRY, KISS, YAGNI and GRASP

Design principles like SOLID, DRY, KISS, YAGNI, and GRASP aren’t rules — they’re tools for managing complexity, preserving clarity, and making software resilient to change. This deep dive explores each principle with real-world examples and refactoring patterns.

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Andrey Sydelov Andrey Sydelov

Beyond Ping: Building and Securing Modern Network Architectures

Modern networks are more than packets and ports—they’re programmable systems where architecture defines resilience. From OSI and TCP/IP models to segmentation, observability, and zero-trust enforcement, this article dissects how secure, scalable, and verifiable networks are built and defended.

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