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What is Event-driven architecture (EDA)?

Posted by Adrian M.

Article Rating // 2032 Views // 0 Additional Answers & Comments

Categories: Systems Analysis, Analytical and Problem Solving Skills


Event-driven architecture (EDA) is a software design pattern that focuses on an organization’s events, messages, or important happenings in the business such as a purchase order received, a customer visit, or the emergence of a threat signal.  In EDA, software components or services communicate by producing and consuming events, which can be triggered by user actions, automated system events, or external integrations. 

Benefits of event-driven architecture:

  • EDA promotes loose coupling between components, as they interact through events rather than direct dependencies,
  • EDA allows for scalability and flexibility, as new components can be added or modified easily without impacting the entire system,
  • EDA events tend to be asynchronous, meaning that the sender does not have to wait for a response from the receiver,
  • EDA enables event processing and event-driven workflows, where events trigger specific actions or processes within the system,


Business analysts should understand the basic concepts of event-driven architecture (EDA) for a number of reasons:

  • Understanding System Behavior - as a business analyst, having a clear understanding of a system’s event-driven behavior helps in identifying potential bottlenecks, dependencies, and opportunities for optimization.
  • Event-driven Workflows - business analysts can analyze and design these workflows to ensure that business requirements are met efficiently and effectively.
  • Real-time Processing - for business analysts dealing with applications or processes that are based on EDA and make use of real-time data updates or rapid response times, understanding the underlying event-driven architecture is crucial to ensure the desired business outcomes.
  • Integration and Data Flow - business analysts involved in integration projects or data-driven initiatives need to understand how events are generated, consumed, and transformed within the architecture to ensure efficient and accurate data flows.
  • Analytics and Monitoring -  business analysts can leverage the event data to gain insights, identify trends, track system performance, and make data-driven decisions for business optimization and improvement.



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Do your homework prior to the business analysis interview!

Having an idea of the type of questions you might be asked during a business analyst interview will not only give you confidence but it will also help you to formulate your thoughts and to be better prepared to answer the interview questions you might get during the interview for a business analyst position.  Of course, just memorizing a list of business analyst interview questions will not make you a great business analyst but it might just help you get that next job.



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