re: What is the purpose of using gRPC and rabbitmq in microservices? VIEW POST

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Well perhaps this does not respond exactly your question about gRPC, ... and leaving aside the concept of event-oriented ... in this post programmaticponderings.com/2017/05... you can see how RabbitMQ can also be used as a message-based RPC endpoint supporter. Think about another option to communicate microservices in a synchronous way, and of course, it could break some principles of decoupling between microservices, but at the end it will depend on your domain context and your solution, I suggested that article because the first question I had about synchronous IPC was about the performance, in that article you can see some results related with it, TL;DR both approaches tested (REST HTTP and RPC/ AMQP) have almost the same performance (but, none of those had a performance improvement strategies, like clustering, caching, etc...)

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