66 ◾ COSMIC Function Points: Theory and Advanced Practices
© 2011 by Taylor & Francis Group, LLC
1. e subentity type of Mark II FPA is similar to RET of IFPUG FPA. But,
IFPUG FPA considers RETs only once during counting data functions,
whereas Mark II FPA counts subentities each time when referred by any
transaction. Other methods do not consider subgroups.
1.4.3.2.4 Transaction Concept
All three FSM methods agree on the transaction concept, although each uses
dierent terminology for it. e denitions of the methods for transaction are
as follows:
◾ IFPUG FPA calls a transaction an elementary process, which is dened as
“the smallest unit of activity meaningful to the user, must be self-contained,
and leaves the applicat ...