What is Spring Cloud Netflix?

Spring Cloud Netflix provides Netflix OSS (Open Source Software) integrations for Spring Boot apps through autoconfiguration and binding to the Spring Environment. Using simple annotations, you can quickly enable and configure the common patterns inside your application and build large distributed systems with battle-tested Netflix components. The patterns provided include Service Discovery (Eureka), Circuit Breaker (Hystrix), Intelligent Routing (Zuul) and Client Side Load Balancing (Ribbon).

The features include:

• Service Discovery: Eureka instances can be registered and clients can discover the instances using Spring-managed beans. An embedded Eureka server can be created with declarative Java configuration.
• Circuit Breaker: Hystrix clients can be built with a simple annotation-driven method decorator. An embedded Hystrix dashboard can be created with declarative Java configuration.
• Declarative REST Client: Feign creates a dynamic implementation of an interface decorated with JAX-RS or Spring MVC annotations.
• Ribbon as Client Side Load Balancer.
• External Configuration: a bridge from the Spring Environment to Archaius (enables native configuration of Netflix components using Spring Boot conventions).
• Router and Filter: automatic registration of Zuul filters and a simple convention over configuration approach to reverse proxy creation.