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Dev.to
6/26/2026
Resilience in .NET: Building Fault-Tolerant Applications - Circuit Breakers

Resilience in .NET: Building Fault-Tolerant Applications - Circuit Breakers

Short summary

Learn how to build fault-tolerant microservices in .NET 9 using resilience patterns including circuit breakers, retries with exponential backoff, and intelligent timeouts. Microsoft.Extensions.Resilience provides both standard handlers and custom pipeline builders with practical configuration examples for real-world scenarios. These patterns prevent cascading failures by isolating failures and giving struggling services time to recover.

  • Circuit breaker pattern prevents cascading failures by stopping requests to struggling services
  • Standard handler and custom pipeline options in .NET 9 with exponential backoff and jitter
  • Practical runnable code examples ready to integrate into HttpClient and dependency injection

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