Understanding Events, Messages, and Commands in Distributed Systems
TL;DR Embark on a narrative journey through distributed systems to uncover the subtle differences between messages, commands, and events. Discover how these concepts weave into the fabric of microservices architecture, illustrated through a real-world e-commerce story. Learn to make strategic decisions for your projects without getting lost in technical issues. Introduction Imagine a robust marketplace where merchants, couriers, and town criers all play pivotal roles in keeping the economy alive. In this scenario, communication is key. Messages are exchanged, commands are issued, and news of events announced. This lively marketplace is a metaphor for distributed systems, where understanding the nuances between messages, commands, and events is crucial for building effective microservices architectures. ...