Systems Lab https://elion.black-castle.ru/ Engineering notes on AI systems and IoT infrastructure Practical LLM Routing in Multi-Model Systems https://elion.black-castle.ru/articles/llm-routing.html Tue, 14 Apr 2026 15:30:00 GMT Secure IoT Telemetry with MQTT over TLS https://elion.black-castle.ru/articles/mqtt-telemetry.html Tue, 14 Apr 2026 15:32:00 GMT Designing Small but Resilient Systems https://elion.black-castle.ru/articles/resilient-systems.html Tue, 14 Apr 2026 15:34:00 GMT Infrastructure-Aware AI Systems https://elion.black-castle.ru/articles/infra-aware-ai.html Tue, 14 Apr 2026 15:36:00 GMT Why Simplicity Beats Over-Engineering https://elion.black-castle.ru/articles/simplicity.html Tue, 14 Apr 2026 15:38:00 GMT