Designing a pub/sub system
The pub/sub model is a messaging pattern whereby messages are published by producers (publishers) on a specific topic and consumers (subscribers) receive messages based on their subscription to those topics. This model is highly effective for broadcasting information to multiple consumers and is widely used in real-time data processing systems.
In a pub/sub system, topics are categories or channels to which messages are published by producers to which consumers can subscribe to receive messages. Topics provide a logical grouping of related messages, allowing for targeted distribution of information to interested parties.
Let us look at some of the key characteristics of the pub/sub system.
Key characteristics of pub/sub systems
A good pub/sub system should allow independent scaling of producers and consumers while providing scale and reliability guarantees. We will now touch upon these key characteristics.
- Decoupling of producers and consumers...
