When should I use the publish-subscribe pattern?

When should I use the publish-subscribe pattern?

The publish-subscribe pattern is useful when you want to decouple components in a system, allowing them to communicate asynchronously.

Can you give me an example of where this pattern is applied?

Sure! It's commonly used in messaging systems, like when a news service publishes updates that multiple subscribers can receive.

What are the benefits of using this pattern?

Benefits include improved scalability, flexibility, and the ability to add or remove subscribers without affecting the publisher.

Are there any downsides to using it?

Yes, potential downsides include increased complexity and the challenge of ensuring message delivery and order.