Is Your Software Trustworthy

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1、IsYourSoftwareTrustworthy?byrobMeyerWhilevisitingoneofourcustomersawhilebackIlearnedthattheirnewfinancialmodelingapplication,usingsomeofourcode,wouldsoonbeinthehandsofhundredsofretailaccountmanagers.Ifoundmyselfalternatelyproudthattheyhadtheconfidencetouseourcodeinthishigh-profileapplicationand

2、slightlyuneasythatsomeoneotherthanafinancialengineerwasabouttomakedecisionsworthsubstantialsumsbasedupontheanswers.Ihavetheutmostconfidenceintheabilitiesofourmathematicians,statisticiansandsoftwareengineersbutIhavespentenoughyearsaroundmathematicsandtechnicalsoftwaretoappreciateafewofthethingst

3、hatcangowrong.Theexperiencemademethinkabouttrendsinfinancialapplications,theesotericrealitiesofnumericalsoftwarequalityandtheimplicationsforhowourorganization(andyours)developssoftware.Inanerawhereorganizationsareputtingincreasinglysophisticatedfinancialmodelingsoftwareinthehandsofemployeesandc

4、ustomers,itiscriticaltobuildinthequalitythatinspirestrustfromuserswhowillneverseealineofcodeoramathematicalformula.IntherestofthisarticleI'lltalkabouttrendsIseeinthedevelopmentoffinancialapplicationsandwhycodequalityisincreasinglyimportant.I'llalsooutlinesomeofthestepsourorganizationtakestoensu

5、requality.Thoughwe'vebeencreating,portingandsupportingnumericalsoftwarefor35years,wearestilllearning.Perhapsyou'llseesomestepsyoucanadaptforyoursoftwaredevelopmentorganizationorsomequestionstoaskaboutanythird-partysoftwareyouconsideradopting.Trends:SophisticatedApplications/UnsophisticatedUsers

6、?Ourorganizationhasbeenservingfinancialcustomersformorethantwentyyears.Wehaveseenanumberoftrendsemergebutsomeofthemostprofoundhavebeeninjustthepastfiveyears.Amongthem:·Softwareapplicationsareoutlivingtheirhardwareandcreators.It'snotunusualforalargeorganizationtoinvest$500,000to$1millionormorein

7、laborandothercostsincreatingacomplexapplication.Thehardwareitrunsonwillbescrapinthreetofouryears.Manyonthedevelopmentteamwillhavemovedontootherrolesandcompaniesinthesametimeframe.Companieswillmakeincrementaladjustmentsandporttheap