**SpringCloud:** is a collection of a series of distributed frameworks. And it is developed based on springboot. It belongs to a kind of specification, and the tools to realize this function are introduced in 1.2 below.
Integrate different components produced by different companies and integrate them in the style of Spring Boot. Developers do not need to pay attention to the underlying integration implementation, but use it out of the box, and use SpringBoot to integrate which components are needed.
To sum up, springcloud is written by springboot
Explains that springcloud is equivalent to a bridge.
At the same time, we must pay attention to the compatibility of the version.
Service governance
includes service registration and service discovery (the purpose is to write the configuration of multiple microservices together, and then call each other.)
Nacos
registration is to write the content, and find that it starts to call the written content.
Load balancing uses the polling algorithm (Ribbon) by default to
degrade to deal with its own failures, and fuse to deal with the failures of external systems.