What is the difference between publish-subscribe and message queue?
The publish-subscribe model allows messages to be sent to multiple subscribers, while a message queue typically sends messages to a single consumer.
Can you give me an example of each?
Sure! In a publish-subscribe system, a news service might publish articles that multiple users can subscribe to. In a message queue, an order processing system might place orders in a queue for a single worker to process.
What are the advantages of using publish-subscribe?
Publish-subscribe allows for greater scalability and flexibility, as multiple subscribers can receive updates without the publisher needing to know about them.
Are there any downsides to using message queues?
Yes, message queues can introduce latency and may require more complex error handling, especially if messages are lost or not processed.
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