erlang - When should one do Synchronous or Asynchronous sending? -

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synchronous call : The call that will send an answer is expected.

asynchronous call : calls that will send (block current process)

Although I understand the concept of sync and async , But when it comes to converting these concepts, I usually fail.

Indicates how Deadlock can be avoided to sync calls to send the ADC Call Call with other processes and send data to themselves.

My question: How can one person choose sync or asynchronous calls while creating a real world application in ARLing / OTP.

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Rule of my thumb:

  1. -> Use asynchronous message

  7. -> If your process requires a result and can not do it, some synchronous messages (easy to read) can be used. >

    -> If your process requires a result and you should not do anything use synchronous calls in use


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