Topics don't really exist as objects in the broker, either. What does exist are subscriptions. Those subscriptions associate a queue with a topic. Then when a publisher gives a message on a topic, the message is put on all queues that are associated with the topic.
Now, with the Message Broker line of brokers - there is the UserName Server which provides security on Topics. And there, the topics do exist as objects and the UNS says "user X can do Y on topic Z" or etc.
So the person who builds the JMS bindings is the one who is responsible for creating the topics. And the MQ administrator should be making sure that the queues that are being registered for subscriptions are created and available where they need to be.
Please read the "Publish/Subscribe User's Guide" in the MQ Info Center. _________________ I am *not* the model of the modern major general.
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