During stage 1 DFDs and an LDS are used to produce detailed logical models of the current system During stage 2 up to 6 business system options are produced and presented.
Katika hatua 1 DFDS na LDS ni kutumika kuzalisha mifano ya kina mantiki ya mfumo wa sasa wakati wa hatua ya 2 hadi 6 mfumo wa biashara chaguzi ni zinazozalishwa na kuwasilishwa.