Asynchronous, event-driven Systems: Introductory Patterns and a Case Study

Martin Vesper wrote “For some reason, and probably sufficiently late to the party, I was thinking about conceptual patterns for designing an asynchronous, event-driven, distributed system the other day. If the system is event-based, and every action would result in a message passed through the system asynchronously, how, for example, might you implement a simple login? It seemed…”