2.1. Messaging, queuing and patterns
Much has been written about MQSeries and MQSeries programming over the period since its introduction. Those documents provide the basis for some excellent background reading for anyone using this book. In fact as a prerequisite you should, as previously mentioned, read and make sure you fully understand the book An Introduction to Messaging and Queuing, GC33-0805, which is supplied with the MQSeries product. However, in this chapter we briefly cover the basic concepts of what messaging is and how it fits together.
2.1.1. What is messaging?
Messaging is when systems communicate with each other using messages to convey the information rather than communicating directly through the transport mechanisms.
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