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Circuit Breaker
The Circuit Breaker is a stability pattern for distributed systems and API architectures that prevents cascading failure when a downstream service degrades. A breaker wraps a remote call and tracks failures against a threshold; when the threshold is exceeded the breaker "opens" and short-circuits subsequent calls (typically returning an error or fallback) without contacting the downstream service. After a cooldown the breaker enters a "half-open" probe state and either resets to "closed" on success or re-opens on failure. The pattern was popularized by Michael Nygard in *Release It!* and is now standard in resilient microservice and API gateway design.
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Providers working in Circuit Breaker
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| Provider | About | Rating | APIs |
|---|---|---|---|
| Resilience4j | Resilience4j is a lightweight fault tolerance library designed for Java 17+ and functional programming, providing higher-order functions to enhance functional interfaces with Circuit Breaker, Rate Limiter, Retry, Bulkhead, TimeLimiter, and… | emerging | 1 |
| Netflix Hystrix | Netflix Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services, and third-party libraries, stop cascading failure, and enable resilience in complex distributed systems where failur… | emerging | 1 |
| Polly | Polly is a .NET resilience and transient-fault-handling library that allows developers to express resilience strategies such as Retry, Circuit Breaker, Hedging, Timeout, Rate Limiter, and Fallback in a fluent and thread-safe manner. A .NET… | emerging | 1 |
| Alibaba Sentinel | Alibaba Sentinel is a powerful open source flow control component enabling reliability, resilience, and monitoring for microservices. Originally developed by Alibaba and used in production at Alibaba for over 10 years, Sentinel provides fl… | emerging | 1 |
| Amazon SQS | Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. | strong | 1 |
| Zeebe | Zeebe is the cloud-native workflow engine that powers Camunda 8, providing scalable, resilient workflow automation and microservices orchestration without relying on a central database, enabling high throughput with horizontal scaling. It… | developing | 1 |
| Apollo Config | Apollo is a reliable, open-source configuration management system suitable for microservice configuration management scenarios, providing centralized configuration management, real-time updates, versioning, and multi-environment support. O… | developing | 1 |
| Azure Service Fabric | Azure Service Fabric REST API provides management of microservices clusters, applications, and services. It supports creating and scaling clusters, deploying applications, managing partitions and replicas, and monitoring cluster health for… | developing | 2 |
| Dapr | Dapr (Distributed Application Runtime) is a portable, event-driven runtime that makes it easy for developers to build resilient, stateless, and stateful applications that run on the cloud and edge. It provides building block APIs for state… | developing | 13 |
| Restate | Restate is a low-latency durable execution engine for building resilient applications that tolerate all infrastructure faults. It provides durable execution for workflows, event-driven handlers, and stateful orchestration of microservices… | developing | 1 |
| Spring Cloud Config | Spring Cloud Config provides server-side and client-side support for externalized configuration in a distributed system. It offers a central place to manage external properties for applications across all environments, backed by Git, SVN,… | thin | 1 |
| Service Fabric | Azure Service Fabric is an open-source distributed systems platform for packaging, deploying, and managing scalable and reliable microservices and containers. Service Fabric powers many Microsoft Azure core services, and thousands of servi… | thin | 1 |
| Spring Cloud Gateway | Spring Cloud Gateway provides an intelligent, programmable router built on Spring WebFlux that serves as the entry point to microservice architectures. It offers routing, predicate evaluation, filter chaining, load balancing, circuit break… | thin | 1 |
| Akka | Akka is a toolkit and runtime for building highly concurrent, distributed, and resilient message-driven applications on the JVM using the actor model for Java and Scala. Maintained by Lightbend, Akka provides a comprehensive set of librari… | thin | 1 |
| Diagrid | Diagrid is the execution layer for production AI, built by the creators of the open source Dapr and KEDA projects. Its managed platform, Diagrid Catalyst, gives AI agents, workflows, and MCP servers durable execution (applications resume f… | thin | 0 |
| Moleculer | Moleculer is a fast, modern, and powerful microservices framework for Node.js. It provides built-in service discovery, load balancing, fault tolerance with circuit breaker, request retries, distributed event handling, and support for multi… | thin | 1 |
| Go Kit | Go Kit is a programming toolkit for building microservices in Go, emphasizing domain-driven design, transport-agnostic service definitions, and best practices for distributed systems. | emerging | 1 |
| Go Micro | Go Micro is a distributed systems framework for building microservices in Go, providing service discovery, load balancing, message encoding, RPC, and async messaging out of the box. | emerging | 1 |
| RESTful Microservices | An architectural style that structures an application as a collection of loosely coupled, independently deployable services that communicate via REST APIs using HTTP methods and standard web protocols. This collection covers RESTful micros… | minimal | 0 |
| Micro-Service Architecture Patterns | Design patterns and best practices for building distributed systems using microservices architecture, including service decomposition, communication patterns, data management, and deployment strategies. | minimal | 0 |
| Microservice Architecture | An architectural style that structures an application as a collection of loosely coupled, independently deployable services organized around business capabilities. Widely used by developers to build, maintain, and scale software applicatio… | minimal | 0 |
| Microservice Design | Architectural approach for building applications as a collection of loosely coupled, independently deployable services that are organized around business capabilities. Covers principles, patterns, and best practices for designing effective… | minimal | 0 |
| Microservices Architecture | An architectural style that structures an application as a collection of loosely coupled, independently deployable services, each running in its own process and communicating through lightweight mechanisms like HTTP/REST APIs. Widely used… | minimal | 0 |
| Microservices Design Patterns | Architectural patterns and best practices for designing, building, and maintaining microservices-based applications, including patterns for communication, data management, deployment, and resilience. | minimal | 0 |
Tags
Circuit BreakerDistributed SystemsFault ToleranceMicroservicesPatternsResilienceStability