March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
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366 Introduction to the New Mainframe: z/VSE Basics
14.8 Example of messaging and queuing
Now let us return to the earlier example of a travel agency to see how messaging
facilities play a role in booking a vacation. Assume that the travel agent must
reserve a flight, a hotel room, and a rental car. All of these reservations must
succeed before the overall business transaction can be considered complete
(Figure 14-4).
Figure 14-4 Parallel processing
With a message queue manager product such as MQSeries for VSE, the
application can send several requests at once. It need not wait for a reply to one
request before sending the next. A message is placed ...
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