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How can the caller be sure that exactly one receiver will receive the document or perform the call? | |
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How can the sender broadcast an event to all interested receivers? | |
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What will the messaging system do with a message it cannot deliver? | |
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How can the sender make sure that a message will be delivered, even if the messaging system fails? | |
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What is an architecture that enables separate applications to work together, but in a de-coupled fashion such that applications can be easily added or removed without affecting the others? |