In Lucent??™s experience the graphical ones tended to be more
successful.
The bene?¬?ts gained from domain-speci?¬?c methods at Lucent are as follows:
. Productivity improvement of about 3??“10 times. In the beginning, the productivity
gains were smaller, factors of 3 to 5, but in areas with experienced
developers, the productivity gains were typically a factor of 10 or more.
. Decreased product development costs: In the product family domain, the costsaving
aspect was seen as signi?¬?cant and clearly measurable. Developing
several similar kinds of products, that is, family members, data collection, and
comparison became easier to do than in one-shot development.
24 BUSINESS VALUE
. Shorter intervals between product releases: The improvement ratios were
highly dependent on the domain, but most projects experienced an interval
reduction of four to one.
These cases report fundamental productivity improvements via domain-speci?¬?c
languages and use of code generators. In internal discussions with companies building
their own in-house DSM solutions, even bigger productivity increases are claimed. It
is not exceptional that the expert developers who created the DSM solution report
even 100 times faster development but this performance usually decreases when
introduced to the larger organization.
2.
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