Spring Cloud, in microservices, is a system that provides integration with external systems. It is a short-lived framework that builds an application, fast. Being associated with the finite amount of data processing, it plays a very important role in microservice architectures.
For typical use cases, Spring Cloud provides the out of the box experiences and a sets of extensive features mentioned below:
Versioned and distributed configuration.
Discovery of service registration.
Service to service calls.
Circuit breakers and load balancing.
Cluster state and leadership election.
Global locks and distributed messaging.