微服务之Ribbon介绍

Ribbon 介绍

Ribbon plays a critical role in supporting inter-process communication in the cloud. The library includes the Netflix client side load balancers and clients for middle tier services.

Ribbon 是 Netflix 发布的云中间层服务开源项目，其主要功能是提供客户侧软件负载均衡算法，将 Netflix 的中间层服务连接在一起。

 

Ribbon provides the following features:

Multiple and pluggable load balancing rules

Integration with service discovery

Built-in failure resiliency

Cloud enabled

Clients integrated with load balancers

Archaius configuration driven client factory

 

负载均衡插件

发现服务

对 Cloud 平台的支持：比如对 AWS 来说，有参数支持只返回同一个 zone 的服务器地址，这样避免跨 zone 调用所引起的网络延时；

故障恢复能力：可以将一些不可用的服务器剔除。

 

 

There are three sub projects:

ribbon-core: includes load balancer and client interface definitions, common load balancer implementations, integration of client with load balancers and client factory.

ribbon-eureka: includes load balancer implementations based on Eureka client, which is the library for service registration and discovery.

ribbon-httpclient: includes the JSR-311 based implementation of REST client integrated with load balancers.