ThisstudyinvolvesaCommonCauseFailure(CCF)problemontheultra-highreliabilityrequiredsystemdevelopmentsuchaswargameoperations,nuclearpowercontrol,airtrafficcontrol,spaceshuttlemissions,andlargescalenetworkcommunicationsystems.ThesystemsituationproblemsaredefinedaccordingtoCCF,reliabilityandsystemfaultidentificationsforthedevelopmentcostverificationsinthemulti-versionredundantsoftwaresystem.Then,CCFanalysisofredundantsystem.systemprinciplesandstatisticaldependencearealsodescribed.ThisvalidationoftheCCFinthehumansoftwareinteractionsystemwillnotifysoftwareengineerstoconceivewhatreallyisCCFcontributionfactors.notonlytheinternalbuttheexternalones. |