Software ArchitectureAug 12, 2025 • 9 min read

Designing Resilient Systems: Implementing Circuit Breakers, Retries, and Rate Limits

Written by Elena RostovaLead Security Architect at BreakNBuilds LLP

Defending against Cascades

When a dependency slows down, your main server can exhaust resources waiting on it. Circuit breakers fail fast, allowing the user to get a graceful fallback response.

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What is a Circuit Breaker?

A software design pattern that detects system errors and blocks requests to failing dependencies immediately.

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