Summary

You may not be aware of the configuration settings or tools described in this chapter if you have already been using auto-configured clients for inter-service communication. However, I think that it is worth having some knowledge about a few of the advanced mechanisms, even if they can run in the background and/or out of the box. In this chapter, I have tried to give you a closer view on topics, such as load balancers, retries, fallbacks, or circuit breakers by demonstrating how they work using simple examples. After reading this chapter, you should be able to customize Ribbon, Hystrix, or Feign clients to suit your needs related to communication between microservices, both on a small and large scale. You should also understand the when and why of using them in your system. With this chapter, we are closing the discussion about the core elements inside microservices-based architecture. Now, we have got one more important component to look at that is outside the system by quite a...