Two success factors for a project are ‘Requirements’ and ‘Estimation’ where the former is the foundation for the technical lifecycle and the latter is for the project management lifecycle.
It is to ensure the success of a project given whatever and come what may. Asking the project team take up additional non-core competency could be like over-burdening them.īA’s role is much beyond requirements engineering.
But the hitch is that FSM competency is not so prevalent, takes a steep learning curve and they need to keep abreast of the many methodologies and their recent developments.
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Pros and Cons: Since they would already be we conversant with the project or software requirements, it would just be filling out simple spread sheets and lo’ the size would be available. Option 2: Done by somebody within the project (like the PM, PL, BA or whoever has the competency and bandwidth) Pros and Cons: Since they do FP counting day in and day out we may expect efficiencies and accuracy but they need to spend considerable time and effort to understand the project or software requirements. Whenever a project manager needs to initiate a project he/she just sends the requirement to the FP counting team and gets the results. Option 1: Done by a dedicated centralized team (internal/external) which does FP counting across projects O.K, Software size is important, but who should do the sizing for a project? Software size is the foundation for the other software metrics like ‘Productivity’ (indirectly ‘Cost’), ‘Effort Variance’ (indirectly ‘Schedule Variance’), ‘Defect Density’ etc. What is the use of such software size?ġ. Software size estimations are used as input to project planning on which depends the credibility of subsequent monitoring and controlĢ. Software size measurements are needed as basis for projects’ in-progress and after-completion evaluation. After the designs are frozen the size would be called the ‘Measured Size’ and ideally there should be one such established after a project is completed. What about software size measurement?Īccording to available literature on Functional Size Measurement (FSM) methodologies, when a software development/enhancement project is in the initial stages, i.e before the designs are not frozen, the size of the software within the project’s scope, if assessed, is called the Estimated Size. So we may say that Function Point Analysis aids in objective estimation for a software project. With Function Point Analysis, in the initial stages of a project, we may estimate only the size, which but forms the basis for the other estimates mentioned above. In a software project (for that matter any project) there would be estimates of: It depends on which estimation are we talking about. It is not completely true and contrarily not false either.
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