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Synchronous vs Asynchronous Service Communication

Synchronous calls (REST, gRPC) give an immediate answer but couple caller availability to callee availability; asynchronous messaging decouples availability and absorbs load spikes but forces the caller to handle 'not yet'. The choice is about temporal coupling, not just latency.

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Synchronous vs Asynchronous Communication in Microservice Architecture

In microservice architecture, inter-service communication is categorized into two styles: synchronous communication, where services interact directly via a request-response mechanism and the caller b…