It is common for microservice systems to run more than one instance of each service. This is needed to enforce resiliency. It is therefore important to distribute the load between those instances. The component that does this is the load balancer. Spring provides a Spring Cloud Load Balancer library. In this article, you will learn how to use it to implement client-side load balancing in a Spring Boot project.
Client and Server Side Load Balancing
We talk about client-side load balancing when one microservice calls another service deployed with multiple instances and distributes the load on those instances without relying on external servers to do the job. Conversely, in the server-side mode, the balancing feature is delegated to a separate server, that dispatches the incoming requests. In this article, we will discuss an example based on the client-side scenario.
