When you’re building the backend of an application, you’ve got to figure out how all the different components are going to talk to each other.  It’s like setting up a communication network for your app’s brain, and the way you do it can seriously impact how well your app

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The communication pattern you choose depends on what your application needs to do. The Request-Response pattern is a fundamental building block for how the front-end and back-end of web applications chat with each other. It’s like a polite conversation — one speaks, the other listens, and then they swap roles.

Communication Design Patterns for Backend Development