Chapter 9

1. MicroProfile Reactive Messaging is a great option for handling message sources via connectors, especially in situations where the source is generating messages at a high frequency and an asynchronous approach to processing them makes the most sense.
2. MicroProfile Context Propagation best supports MicroProfile Reactive Streams Operators and MicroProfile Reactive Messaging in that it allows the propagation of context that was traditionally associated with the current thread across various types of units of work.
3. The current specifications that support reactive programming are MicroProfile Reactive Streams Operators, MicroProfile Reactive Messaging, and MicroProfile Context Propagation.
4. At the time of writing, the projects that sit outside the Eclipse MicroProfile umbrella release are as follows:
   • Reactive Streams Operators
   • Reactive Messaging
   • Long Running Actions
   • Context...