Earners of this badge understand some of the patterns that can be applied in distributed systems. They recognize the difference between synchronous and asynchronous messages, and the tradeoffs between them. They know how to apply point-to-point messaging along with publish-subscribe messaging. Critically, they understand messaging guarantees, such as at-most-once, at-least-once, and effectively-once.

• Type Learning
• Level Foundational
• Time Hours