What Are the Differences Between a Circuit Breaker, Retry With Backoff, and Rate Limiting?

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What Are the Differences Between a Circuit Breaker, Retry With Backoff, and Rate Limiting?

Circuit breakers stop repeated calls to a failing service after a failure threshold is met, retry with exponential backoff automatically re-attempts failed operations with progressively longer waits, and rate limiting caps the number of requests per time unit to prevent overload.

What Is a Circuit Breaker?

A circuit breaker is a protection mechanism inspired by electrical circuits.

When a service or resource fails repeatedly, the circuit breaker “opens” and immediately rejects further calls instead of letting each request time out or fail.

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