Engineering

How FlyOver.direct Maintains 99.9% Uptime

A deep dive into our infrastructure and the engineering practices that keep our service running smoothly.

Yuki Tanaka

VP of Engineering

March 20, 20266 min read

When you're in the middle of an important call with someone who speaks a different language, the last thing you want is for the translation to stop working. That's why reliability is one of our core engineering principles at FlyOver.direct.

Our infrastructure is built on a globally distributed architecture spanning multiple cloud providers and data centers across six continents. This redundancy ensures that even if an entire region goes offline, your calls continue without interruption.

We employ a sophisticated load balancing system that routes requests to the nearest available server, minimizing latency while maximizing reliability. Our auto-scaling infrastructure can handle sudden spikes in demand, such as during major international events.

Every component of our system is designed with failure in mind. We use circuit breakers to prevent cascading failures, graceful degradation to maintain core functionality even when subsystems are impaired, and automated failover to switch to backup systems in milliseconds.

Our monitoring systems track thousands of metrics in real-time, alerting our on-call engineers to potential issues before they affect users. We conduct regular chaos engineering exercises, intentionally breaking parts of our system to ensure our failsafes work as expected.

The result? 99.9% uptime over the past year, with an average response time of under 100 milliseconds. But we're not satisfied—our goal is to achieve 99.99% uptime and make outages a thing of the past.

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