In this chapter, we have launched a couple of microservices that communicate with one another. We discussed such topics as different implementations of REST clients, load balancing between multiple instances, and integration with service discovery. In my opinion, these aspects are so important that I decided to describe them in two chapters. This chapter should be treated as an introduction to the subject of inter-service communication and a discussion of integration with other important components of microservice architecture. The next chapter will show more advanced use of load balancers and REST clients, with particular attention on network and communication problems. After reading this chapter, you should be able to use Ribbon, Feign, and evenRestTemplateproperly in your applications and connect them to other Spring Cloud components.
In most cases, this knowledge is enough. However, sometimes you will need to customize client-side load balancer configuration or enable more advanced...
