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Graceful degradation allows apps to function partially during service failures.

Fault domains help prevent multiple servers from failing together in an architecture.

Fallbacks allow systems to handle failures safely and maintain user experience.

An error budget shows how much downtime is acceptable while meeting reliability goals.

The CAP Theorem explains the trade-offs in distributed systems during network failures.

A timeout indicates a deadline was exceeded, not necessarily a failure.

Timeouts in distributed systems indicate suspicion, not confirmed failure.

Dependency failures can disrupt applications, but resilience patterns can help manage them.