intermediateMicroservices Architecture347 of 469
How do your microservices communicate with each other? Synchronous vs asynchronous: when do you pick which?
Tests whether you pick sync (REST/gRPC) for request-response flows needing an immediate answer, and async (Kafka/message queue) when you need decoupling, buffering against downstream slowness, or eventual consistency across services -- not a default preference either way.
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