A.Reduceunnecessarydisruption，delay，rework，andotherproblemsbyestablishingtestcasesforuseinverifyingthatthesystemsmeetsoperational，functional，andinterfacerequirements
B.Improveitsabilitytomakesoundfinancialdecisionsbydevelopingabusinesscasebasedonitsbusinessrequirementsandestablishingabasisfordevelopingatechnologystrategy
C.Reduceoperatingcostsandlimitcharge-relatedincidentsbyprovidingaconsistentandefficientsetofprocesses
D.Improvethereturnoninvestmentandhastenmigrationbyidentifyingandplanningfornecessaryinfrastructurechangesandresourceadditions，aswellasreducedeploymentcostsbyanalyzinggapsinearlyintheplanningprocesstodeterminewhetisneededtosupportthesystems