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GI-Gachgruppe 2.1.10 - Software-Messung und -Bewertung

Software measurement Laboratory

Swiss Software & Services Metrics Association

United Kingdom Software Metrics Association

Niederländische Software Metrik Association

Finnish Software Measurement Association

das virtuelle Software Engineering Kompetenzzentrum

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International Function Point User Group - Member-Zugangsdaten im DASMA-Mitgliedsbereich

Online Portal für Projektmanagement - Member-Zugangsdaten im DASMA-Mitgliedsbereich
» Startseite / » Informationen / ISBSG... / High Speed, Low Cost Functional Sizing

High Speed, Low Cost Functional Sizing
Capers Jones' paper entitled "A New Business Model for Function PointMetrics" looks at the latest developments in the cost effective sizing of software early in its life cycle. Jones contends that current functional sizing is too expensive to be used by more than ten percent of the industry and that to achieve optimum returns, it is necessary to modify function point practices in a number of important ways: 

  1. The starting point for function point analysis needs to be earlier by 6 months
  2. The cost of function point analysis needs to drop below 1¢ per function point
  3. The counting speed needs to be higher than 10,000 function points per day
  4. There should be no lower limit on application size, down to zero function points
  5. COTS packages should be able to be counted
  6. Cancelled projects, if they occur, should be counted
  7. Changing requirements should be counted in real time as they occur
  8. Deleted features should be counted in real time as they occur
  9. Legacy applications should be counted, if they were not previously counted
  10. Updates to legacy applications should be counted before they are started
  11. Function point sizing should be possible as a service without on-site visits
  12. Function point sizing should include requirements changes
  13. Function point sizing should include total requirements growth for every release
Jones looks at the current costs and timing of functional sizing and the technology that is starting to become available to the industry to achieve his proposed changes. 

Capers Jones has made his paper available free from the ISBSG website.

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aktualisiert am: 12. Okt 2009