In technical domains, like the mobile phone
applications discussed in Chapter 8, domain experts are the architects and lead
developers of the target environment.
. DSM users apply the modeling languages. This group is usually the largest.
Among DSM users, the most obvious subgroup is those creating models to
generate applications, but other subgroups of users also exist.Models that operate
at a higher level of abstraction can be used widely in supporting communication,
for example, with test engineers, product managers, Q&A, deployment
engineers, sales, and customers. In addition to pure communication aid, test
engineers can use the models to plan their test cases and produce test suites.
Deployment engineers can produce installation programs and product con?¬?-
gurations using the DSM models. They will use different generators but the
models will be the same. Also, managers can get reports and metrics on the status
of the development from the models.
. Language developers specify the modeling language. They formalize it into a
metamodel and provide guidelines on its use, such as manuals and example
models. Language developers work closely with domain experts and with key
DSM users. Usually, just one or two people are responsible for the language
speci?¬?cation, especially if metamodel-based tools are used when creating the
DSM solution.
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