How should communication between microservices and the API Gateway happen in a microservices architecture?











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In the case of developing a microservices-based application, I understand that the API Gateway should be able to support synchronous as well as asynchronous calls to other microservices.



Based on my understanding, synchronous calls can happen over HTTP, while asynchronous operations can take place using a Service Bus. My team has a concern over having the API Gateway be aware of the microservices it calls or more specifically the Endpoints it has to call per business operation.



We thought that we should use the Service Bus for both types of communication (synchronous and asynchronous) since we would separate that knowledge into the Service Bus and the API Gateway would no longer know about the endpoints it has to call. Instead, it on sends messages over the Service Bus and it's the responsibility of the microservices to listen to those messages.



However, we don't know for sure if we would be able to implement synchronous-like communication over the Service Bus. Meaning, we don't know if the API Gateway can await a response to a certain message it sends on the Service Bus.



Is there any way this can be achieved?
Also, if there's any misconception you detect in my understanding of how communication should happen please tell me about it as I'm fairly new to this architecture.



Thanks in advance.










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    In the case of developing a microservices-based application, I understand that the API Gateway should be able to support synchronous as well as asynchronous calls to other microservices.



    Based on my understanding, synchronous calls can happen over HTTP, while asynchronous operations can take place using a Service Bus. My team has a concern over having the API Gateway be aware of the microservices it calls or more specifically the Endpoints it has to call per business operation.



    We thought that we should use the Service Bus for both types of communication (synchronous and asynchronous) since we would separate that knowledge into the Service Bus and the API Gateway would no longer know about the endpoints it has to call. Instead, it on sends messages over the Service Bus and it's the responsibility of the microservices to listen to those messages.



    However, we don't know for sure if we would be able to implement synchronous-like communication over the Service Bus. Meaning, we don't know if the API Gateway can await a response to a certain message it sends on the Service Bus.



    Is there any way this can be achieved?
    Also, if there's any misconception you detect in my understanding of how communication should happen please tell me about it as I'm fairly new to this architecture.



    Thanks in advance.










    share|improve this question
























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      In the case of developing a microservices-based application, I understand that the API Gateway should be able to support synchronous as well as asynchronous calls to other microservices.



      Based on my understanding, synchronous calls can happen over HTTP, while asynchronous operations can take place using a Service Bus. My team has a concern over having the API Gateway be aware of the microservices it calls or more specifically the Endpoints it has to call per business operation.



      We thought that we should use the Service Bus for both types of communication (synchronous and asynchronous) since we would separate that knowledge into the Service Bus and the API Gateway would no longer know about the endpoints it has to call. Instead, it on sends messages over the Service Bus and it's the responsibility of the microservices to listen to those messages.



      However, we don't know for sure if we would be able to implement synchronous-like communication over the Service Bus. Meaning, we don't know if the API Gateway can await a response to a certain message it sends on the Service Bus.



      Is there any way this can be achieved?
      Also, if there's any misconception you detect in my understanding of how communication should happen please tell me about it as I'm fairly new to this architecture.



      Thanks in advance.










      share|improve this question













      In the case of developing a microservices-based application, I understand that the API Gateway should be able to support synchronous as well as asynchronous calls to other microservices.



      Based on my understanding, synchronous calls can happen over HTTP, while asynchronous operations can take place using a Service Bus. My team has a concern over having the API Gateway be aware of the microservices it calls or more specifically the Endpoints it has to call per business operation.



      We thought that we should use the Service Bus for both types of communication (synchronous and asynchronous) since we would separate that knowledge into the Service Bus and the API Gateway would no longer know about the endpoints it has to call. Instead, it on sends messages over the Service Bus and it's the responsibility of the microservices to listen to those messages.



      However, we don't know for sure if we would be able to implement synchronous-like communication over the Service Bus. Meaning, we don't know if the API Gateway can await a response to a certain message it sends on the Service Bus.



      Is there any way this can be achieved?
      Also, if there's any misconception you detect in my understanding of how communication should happen please tell me about it as I'm fairly new to this architecture.



      Thanks in advance.







      microservices servicebus api-gateway






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      asked Nov 19 at 11:06









      Kenchi

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