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  • Derek Harmon thinks this is interesting:

between domains

From

Cover of Microservices for the Enterprise: Designing, Developing, and Deploying

Note

When domain events are transmitted between domains, they need to take into account the differences in the ubiquitous language used by that other domain.

I return to the uniquely-identifying customer key that must be agreed upon, since the two domains exchanging an event that identifies a Customer have their own data schema that describe what the Customer entity means to them each.