Should you be applying domain-driven design? Do you need a domain model? You might want to if you have a lot of complexity within your domain. I often get asked, “what is a lot of complexity?”. I’m going to provide an example by uncovering more and more complexity within a domain. And give a few different insights that should help you make the decision. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Mounting Complexity Through this post, I’m going to illustrate an example using a shipment,… Read More »What’s enough Complexity for a Domain Model?
When should you use blocking or non-blocking API calls? Blocking synchronous communication vs non-blocking asynchronous communication? Should commands fire and forget? What’s the big deal of making blocking synchronous calls between services? YouTube Check out my YouTube channel where I post all kinds of content that accompanies my posts including this video showing everything in this post. Communication There are 3 different forms of communication that I’m generally thinking of. Commands, Queries, and Events. I’m going to cover all three and the pros/cons of using blocking synchronous or non-blocking asynchronous with each of them. Commands With commands, it’s all about users’/clients expectations.… Read More »Blocking or Non-Blocking API calls?
Event Driven Architecture has a few gotchas. Things that you always need to be aware of or think about. Regardless of whether you’re new to Event Driven Architecture or a seasoned veteran, these just don’t go away. Let me cover 4 aspects of event driven architecture that you need to think about. YouTube Check out my YouTube channel where I post all kinds of content that accompanies my posts including this video showing everything that is in this post. At Least Once Delivery You’ll likely use a broker that supports “at least once delivery”. This means that a message can be delivered… Read More »Gotchas! in Event Driven Architecture