spring cloud core components of what?

• Eureka: service registration in discovery.

• Feign: Based on the dynamic proxy mechanism, based on notes and selected machine, stitching request url address, initiated the request.

• Ribbon: load balancing, multiple machines from a service select one.

• Hystrix: providing thread pooling, different services take a different thread pool to achieve the isolation of different service calls, to avoid the avalanche of service issues.

• Zuul: gateway management by Zuul gateway forwards the request to the corresponding service.