Event-driven architecture (EDA) is a software design pattern that enables an organization to detect “events” or important business moments (such as a transaction, site visit, shopping cart abandonment, etc) and act on them in real-time or near real-time.
Event-driven architecture is often referred to as “asynchronous” communication. This means that the sender and recipient don’t have to wait for each other to move on to their next task. Systems are not dependent on that one message.
An event-driven data management system is mainly practiced to drive microservices. As part of this system, one microservice broadcasts an event when anything notable happens, and then other microservices subscribe to it. This is done through an intermediary event broker, to satisfy the rising expectations of modern companies and make microservices more secure.
A microservice can modify its business entities after receiving an event, which causes fresh events to be published. This design pattern applies to programs written in any language and for any platform.
The following patterns are utilized in the event-driven manner of developing microservices:
Conclusion:
In this article, we have discussed event-driven microservices and how to build your microservices using event-driven approaches. In an Event-driven architecture, the publisher publishes an event, and a consumer subscribes to it. These events help the services to communicate in a decoupled manner.
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