When I publish a new event (post) in my blog, it isn’t immediately sent to my blog subscribers. In fact, it’s never actively sent. Instead, the new event is added to an events stream (RSS or Atom feed) that contains the most recent events. The subscribers, who manage the subscription on their side without any regard to me (loose coupling), decide how often they need to poll my event steam so that they don’t miss imp...
Publsih/subscribe : Blogs as example
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