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Architecture

Focus on Service Capabilities, not Entities

One of the most common pitfalls I think I’ve fallen into is focusing too much on data entities rather than service capabilities. What tends to happen is building up a domain model of behaviors related to single entities. As I’ve mentioned in my post about using language to find service boundaries, you can have the same entity that lives in a different context, but that owns specific behaviors and data. This blog post is in a series. To catch up check out these other posts: Context is King: Finding Service Boundaries Language Autonomous Services 4+1 Architectural View Model Entities I’m… Read More »Focus on Service Capabilities, not Entities

Autonomous Services

In my previous post, I explored how words and language used by users of our system in our domain space can have different meaning based on their context. This establishes which services own which behavior and data. In this post, I’m going to explore why services are autonomous and how we can communicate between them This blog post is in a series. To catch up check out these other posts: Context is King: Finding Service Boundaries Using Language to find Service Boundaries Focus on Service Capabilities, not Entities 4+1 Architectural View Model Autonomy Autonomy is the capacity to make an informed,… Read More »Autonomous Services

Context is King: Finding Service Boundaries through Language

I’ve found that one of the most important ways to find service boundaries is through the dialog you have with various end users in different parts of the system we are working on. Really focusing in on the words they use can be instrumental in finding service boundaries. This blog post is in a series. To catch up check out these other posts: Context is King: Finding Service Boundaries Language Autonomous Services Focus on Service Capabilities, not Entities 4+1 Architectural View Model Taken out of Context If a statement or remark is quoted out of context, the circumstances in which… Read More »Context is King: Finding Service Boundaries through Language