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Questions and Answers
What are the two main communication modes?
What are the two main communication modes?
- Request/response and loosely coupled
- Synchronous and decoupled
- Synchronous and asynchronous (correct)
- Asynchronous and tightly integrated
What is the difference between synchronous and asynchronous communication?
What is the difference between synchronous and asynchronous communication?
- Synchronous and asynchronous communication both require the caller to wait for a response
- Synchronous and asynchronous communication are the same thing.
- Synchronous requires the caller to wait for a response, while asynchronous allows the caller to continue with other tasks. (correct)
- Synchronous allows the caller to continue with other tasks, while asynchronous requires the caller to wait for a response
Which type of communication is tightly coupled?
Which type of communication is tightly coupled?
- Both synchronous and asynchronous
- Request/response
- Asynchronous
- Synchronous (correct)
Which communication mode is useful for UI-based projects with background processing and loosely coupled microservices?
Which communication mode is useful for UI-based projects with background processing and loosely coupled microservices?
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What are some frameworks or external components that can be used to realize asynchronous communication?
What are some frameworks or external components that can be used to realize asynchronous communication?
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Study Notes
- There are two main communication modes: request/response and asynchronous.
- Request/response involves a client sending a request to a server and waiting for a response.
- Synchronous communication requires the caller to wait for a response within a certain timespan.
- Asynchronous communication allows the caller to continue with other tasks while waiting for a response.
- Synchronous systems are easy to implement and understand, but can be tightly coupled.
- Asynchronous systems are decoupled, resilient, and easily scalable.
- Asynchronous communication can be realized using frameworks like Akka or external components like Kafka, Pulsar, or RabbitMQ.
- Request/response is useful for building APIs for UI-based clients and tightly integrated services.
- Asynchronous communication is useful for UI-based projects with background processing and loosely coupled microservices.
- Asynchronous messaging integrations are the most viable option for scaling.
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