© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
H. F. Oliveira RochaPractical Event-Driven Microservices Architecturehttps://doi.org/10.1007/978-1-4842-7468-2_3

3. Defining an Event-Driven Microservice and Its Boundaries

Hugo Filipe Oliveira Rocha1  
(1)
Ermesinde, Portugal
 
This chapter covers:

  • Understanding the structure of an event-driven microservice, associated message patterns, and common topologies

  • Comprehend DDD (domain-driven design), how to apply it, and its concepts

  • Using DDD to extract the domain’s bounded contexts and leverage the services’ boundaries

  • How to avoid common pitfalls when designing the aggregate size and understanding its impact on downstream services

  • What different characteristics to ...

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