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Strategic DDD: The Challenging Life Of An Open Host Service
Welcome to our exploration of Domain-Driven Design’s strategic patterns! In this post, we’ll dive deep into the Open Host Service pattern, where a bounded context publishes a well-defined protocol for others to consume.
This was initially posted in my newsletter BuildItSimple!, if you don’t have a medium membership, you can read it here:

If you are late to the party, or want to see what other relationships we tackled so far, here is the list:



Understanding Open Host Service
Think of Open Host Service like a public API platform — similar to how Twitter or Stripe provide well-documented, stable interfaces for anyone to integrate with. This pattern defines how a bounded context can expose its capabilities in a way that’s easy…