What are some examples of publish-subscribe systems?

What are some examples of publish-subscribe systems?

Publish-subscribe systems are messaging patterns where senders (publishers) send messages without knowing who will receive them (subscribers). Examples include MQTT, Apache Kafka, and Google Cloud Pub/Sub.

How does MQTT work in a publish-subscribe system?

MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol that uses a publish-subscribe model. Clients publish messages to a broker, which then distributes those messages to subscribers based on topics.

What are the advantages of using a publish-subscribe system?

Advantages include decoupling of components, scalability, and the ability to handle a large number of subscribers efficiently.

Can you give me a real-world application of a publish-subscribe system?

Sure! A real-world application is in IoT devices, where sensors publish data to a broker, and various applications subscribe to receive updates.