.NET Core Microservices - Synchronous Versus Asynchronous Communication

The video tutorial provides an overview of synchronous and asynchronous communication, highlighting their differences and applications in microservices architecture. Synchronous communication involves waiting for a response before proceeding, which can be limiting in microservices. Asynchronous communication allows for parallel processing without waiting for feedback, making it more suitable for microservices. Practical examples illustrate these concepts, and the implementation of asynchronous communication using a service bus is discussed.

What is a key characteristic of synchronous communication?

• It allows multiple requests to be processed simultaneously.

• It requires a response before proceeding to the next request.

• It does not require any feedback from the server.

• It is always faster than asynchronous communication.

Which of the following is a disadvantage of synchronous communication?

• It can handle multiple requests at once.

• It does not provide any feedback.

• It is always slower than asynchronous communication.

• It can cause a service to fail if no response is received.

How does asynchronous communication benefit microservices architecture?

• It requires constant feedback from the server.

• It allows services to operate independently without waiting for responses.

• It limits the number of requests that can be processed.

• It ensures that each request is completed before moving on.

In the given example, why is the shopping cart service considered synchronous?

• It does not require any response from the coupon service.

• It operates independently of the coupon service.

• It sends multiple requests at once.

• It waits for a response from the coupon service before proceeding.

What role does the service bus play in asynchronous communication?

• It limits the number of messages that can be sent.

• It requires immediate feedback from the receiving service.

• It holds messages until the receiving service is ready.

• It ensures that all requests are processed in order.