Example of a single broker configuration

Figure 1 illustrates a basic broker configuration. The example shows the configuration for a news service, where information is available from Publishers about several topics within a single stream:

Three subscribers have registered an interest in different topics, so the broker sends them the information that they are interested in:

None of the subscribers have registered an interest in the television listings, so these are not distributed.

Figure 1. Simple publish/subscribe example. This shows the relationship between publishers, subscribers, and brokers.
Simple publish/subscribe example.