AIcanacceleratelifeclosed-blockmigrationInaddition,itcanbedifficulttofindtheskilledprofessionalsneededtokeepaginglegacysystemsrunning,presentinganongoingandcostlyhumanresourceschallenge.Migratingclosedblocksovertonewersystems,ontheotherhand,canconsiderablyreducelegacysystemmaintenancecosts.Butclosed-blockmigrationisnoeasytask.Thecomplexityandageofthelegacysystemssupportingclosed-blocksystems,andoflifeinsurancepoliciesthemselves,presentsignificantmigrationchallenges.Whyisclosed-blockmigrationsocomplex?Anymigrationfromlegacytomodernsystemsrequirescareful,sophisticatedplanning,butthemigrationoflifeinsuranceclosedblocksisespeciallydifficultforseveralreasons:•Thelegacysystemsinvolvedareoftenfourorfivedecadesoldandhavebeenhighlycustomizedovertheyears.•Productratesandcalculationsareoftenembeddeddirectlyinthecode,ratherthanbeingexternallycalculatedorheldintablesastheyarewithmodernsystems.•Legacycodewasoftenwrittentominimizetheuseofthen-expensivestorage,makingitmorecomplextomigrate.•Legacysystemstypicallyhavemillionsoflinesofoldcoderatherthanthemodernopen-sourceprogramminglanguageswidelyusedtoday,makingithardtofindITprofessionalswiththeskillsneededtokeepthemrunning.•Legacysystemsareoftencomprisedofmultiplesystemsthathavebeenpurchasedoracquiredovertime,whichmeansthatmigrationisnota“one-to-one”transfer—theremayb...
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