17.11. Event-Driven Architectures in Enterprise Systems

Try these first

1. 1.

   What is an event broker?

   Hint

   Think about a postal service distributing letters.

2. 2.

   Give an example of a library that supports reactive programming.

   Hint

   Consider Java frameworks that deal with streams.

3. 3.

   What do event brokers do?

   • Manage event storage
   • Distribute messages
   • Generate events

   Hint

   Think of them as communication facilitators.

4. 4.

   True or False: In a publish/subscribe model, the event producer needs to know who the consumers are.

   • True
   • False

   Hint

   Consider how anonymous subscriptions work.

5. 5.

   Design an event-driven architecture for an e-commerce platform that needs to manage orders. Identify all the necessary components.

   Hint

   Think about how orders flow from placement to fulfillment and notification.

6. 6.

   Critically analyze the trade-offs between using an EDA versus a traditional monolithic architecture for a new application.

   Hint

   Reflect on the nature of the application and its growth potential.