Reactive Design Patterns

Chapter 15. Message flow patterns

In this chapter, we will explore some of the most basic patterns of communication that occur between Reactive components: specifically, we will talk about how messages flow between them. We discussed the theoretical background in chapter 10, noting that the design of communication paths within a system is crucial to its success—the same holds for real-world organizations as well as Reactive applications.

Most of the patterns we will encounter are extremely generic, starting with the Request–Response pattern. They can be applied in a variety of cases and come in many forms. The examples are therefore less specific than in other chapters, but we will use the front-end façade of a larger service as a problem setting. ...