Since we will be
starting in the green meadow, the approach covers all areas pertaining to a development
process. Of course, the approach would also work if you were to start off
from an existing system, the difference being that you would probably leave out a
few steps or slightly modify some steps.
Look at the individual steps of the approach as if they were packed in a toolbox
from which you simply take those you need in your project. This is not a rigid
recipe that can be used only in the sequence described here. The path discussed
here has proven in practice and belongs to the best practices of many approach
models??”in particular, special iteratively incremental processes. Of course, you
can use SysML in other approach models too.
The Pragmatic SYSMOD
Approach 2
CHAPTER
1 The term black box means that the system is a black box we can??™t look into. This means that the
internals of the system are not considered. All you see is what goes into the system and what comes
out of it. The opposite is termed white box.
24 CHAPTER 2 The Pragmatic SYSMOD Approach
This chapter is described from the view onto a project that is intended to realize
a technical system for a rental car fi rm.
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