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AUTOMATION7 min read

Local-first smart hubs vs cloud-dependent architectures.

Published on May 29, 2026 by ANCURVE Engineering

Smart home automation should work instantly. However, many current smart hubs send commands through cloud servers. This means when you tap a switch, the command travels to an external server and back before the light responds, leading to latency and connectivity issues.

The Latency Problem Cloud-dependent automation introduces a delay (latency) of 500ms to 2 seconds. While that seems small, it feels noticeable when walking into a dark room. Furthermore, if the internet goes down, your smart home ceases to function.

The Local-First Architecture Local-first smart hubs keep all logic inside the building's physical boundary. Commands are processed on local hardware, reducing latency to less than 15ms. In addition to speed, local-first hubs offer: 1. **Continuous uptime**: The system works even if your internet connection is cut off. 2. **Privacy and security**: Your home usage data stays in your house, not on corporate servers. 3. **Fast responsive scenes**: Multiple switches, sensors, and dimmers synchronize instantly.

ANCURVE IntelliHome System ANCURVE's IntelliHome smart automation controllers are engineered with local-first processing. By keeping control local, we ensure that switches react with instant feedback. It provides the perfect balance of cloud convenience for remote control with absolute local speed for day-to-day operation.