We all know that, IFPUG Function Point method was the first one to get established as a functional sizing technique. But during 90's, many other groups, practitioners developed alternative methods. Today there are half a dozen well established functional sizing techniques which can be selected for estimation, benchmarking, balanced score card metrics analysis etc.
In this document, I will try to compare these methods for various parameters such as applicability/ scope, ease of understanding, flexibility, benchmarking usage, certification, geography, unit of measurement, ISO recognition and so on. The detailed comparison is embedded in the picture below.
The methods which got compared here are
IFPUG FP
NESMA FP
COSIMIC FFP
SPR Feature Points
Mark II FP
and
FiSMA FP
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