Why use Event Driven ARchitecture ?

Why use Event Driven Microservices: — For better scalability by being asynchronous, say for example in your system during user creation/registration - you will have to send an email. It does not make sense to make that process synchronous as the SMTP server can be down

— One producer multiple consumer = Example - some change made by the customer in the frontend to his billing address. This needs to be propagated to multiple backend Microservices like credit , debit , loans etc.

Why use Spring Kafka : lets us write both producer and consumer side without any bootstrapping, we can just write our business logic Basically 3 types