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| How does one application communicate with another using messaging? | |
| How can two applications connected by a message channel exchange a piece of information? | |
| How can you decouple individual processing steps so that messages can be passed to different filters depending on a set of conditions? | |
| How does an application connect to a messaging channel to send and receive messages? |
Messaging Channels
| How can the caller be sure that exactly one receiver will receive the document or perform the call? | |
| How can the sender broadcast an event to all interested receivers? | |
| What will the messaging system do with a message it cannot deliver? |
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| How do we handle a situation where the implementation of a single logical function (e.g., inventory check) is spread across multiple physical systems? | |
| How can a component avoid receiving uninteresting messages? | |
| How do we route a message to a list of dynamically specified recipients? | |
| How can we process a message if it contains multiple elements, each of which may have to be processed in a different way? | |
| How can the sender make sure that a message will be delivered, even if the messaging system fails? | |
| What is an architecture that enables separate applications to work together, but in a decoupled fashion such that applications can be easily added or removed without affecting the others? |
Messaging Endpoints
| How can an application automatically consume messages as they become available? | |
| How can a message consumer select which messages it wishes to receive? | |
| How can a message receiver deal with duplicate messages? |
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