Again,
UML lives up to the claim to be truly unifi ed . Of course there are limits. For example,
UML is suitable for systems engineering. However, Systems Modeling Language
(SysML) is much more closer to systems engineering, as you will see further on in
this book.
UML is not a Babylonian language. You shouldn ??™ t give in to your inclination
to try expressing everything in UML. However, to make sure you can maintain a
complete model altogether, for example, you can integrate a general element??”a
??? placeholder ??? ??”in your model. The details of this placeholder are described outside
the model. One good example is requirements that are usually described
in detail outside the model in requirement management tools, such as Telelogic
DOORS?„? (Section 2.2.2).
UML is a worldwide industry standard. The software consortium Object
Management Group ( OMG ), which has about 800 members, is responsible for
the language. But only 20??“30 corporations actively participate in the development
of UML, including modeling tool vendors, such as IBM, Telelogic, and ARTiSAN
Software Tools, and other corporations, such as Motorola, NIST, and oose Innovative
Informatik GmbH.
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