November 2001
Intermediate to advanced
504 pages
10h 18m
English
Content preview from Developing Applications with Java™ and UML
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Infrastructure Issues and Communicating with All Layers
Figure 10-2 shows the layered architecture that was introduced earlier in the book and then reintroduced in Chapter 9 in the context of databases. Again, these layers are logical and, in some cases, physical as well.
Figure 10-2. Service layers
Remember that even though they are individual layers, many may run together on the same machine. At least one of them, Presentation Services, will be on the client in the form of a browser. Figure 10-3 focuses on the layers to be reviewed in this chapter, giving a more in-depth review of the roles that they will serve.
Figure 10-3. Presentation, Business ...
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