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

Cascading failures occur when one service's failure impacts others, causing widespread issues.

A Circuit Breaker helps prevent system failures by stopping calls to unhealthy services.

Fail-stop means a system stops and stays down, while fail-recover means it can come back but needs to be ready.

The Circuit Breaker pattern controls service calls to prevent failures from spreading.

Retry storms occur when too many retries overload a failing service.

Exponential backoff helps manage retries by increasing wait times to reduce system overload.

Graceful degradation allows apps to function partially during service failures.

Partial failure means some services fail while others keep running, impacting system reliability.

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