Question: In Publish-subscribe systems ... broker notifes a subscriber when a publisher joins pubishers advertise for subscribers which they would publish their events for publishers publish

In Publish-subscribe systems ... broker notifes a subscriber when a publisher joins pubishers advertise for subscribers which they would publish their events for publishers publish structured events for a group of subseribers they know subseribers consume events published by only those publishers that are specified by their subscriptions

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