Understanding Message and Event Systems

By now, you might be wondering how we are actually connecting microservices together well. The most intuitive and simple answer is that we're providing a (REST) API. There are, however, ways for systems to communicate that are not public but solely internal. They can be classified into one of two groups:

• Message Systems
• Event Systems

We will explore both topics in this section.

Let's dive in and start with Message Systems!

Message Systems

Message Systems are part of your infrastructure and allow messages to be sent across the system. This means a microservice can send a message to another service through this system. The question is, how is that different from just using...