April 2006
Beginner to intermediate
283 pages
7h 44m
English
Content preview from Learning UML 2.0
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Chapter 15. Modeling Your Deployed System: Deployment Diagrams
If you’ve been applying the UML techniques shown in earlier chapters of this book, then you’ve seen all but one view of your system. That missing piece is the physical view. The physical view is concerned with the physical elements of your system, such as executable software files and the hardware they run on.
UML deployment diagrams show the physical view of your system, bringing your software into the real world by showing how software gets assigned to hardware and how the pieces communicate (see Figure 15-1).
Figure 15-1. Deployment diagrams focus on the Physical View of your system
Tip
The word system can mean different things to different people; in the context of deployment diagrams, it means the software you create and the hardware and software that allow your software to run.
Deploying a Simple System
Let’s start by showing a deployment diagram of a very simple system. In this simplest of cases, your software will be delivered as a single executable file that will reside on one computer.
To show computer hardware, you use a node, as shown in Figure 15-2.
Figure 15-2. Use nodes to represent hardware in your system
This system contains a single piece of hardware—a Desktop PC. It’s labeled with the stereotype <<device>> to specify ...
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