1、Orlando,FLOctober 69IBM TechXchange 20253327Understanding Your Mainframe Applications with AIDavid WhitmanFidelity Investments,Director R&DUnderstanding Mainframe Applications with AIObservations and Practical StrategiesThe views and opinions I share today are my own and do not represent those of Fi
2、delity InvestmentsIBM TechXchange|David Whitman-33272Whats the Real Cost of NOT Understanding Your Mainframe?IBM TechXchange|David Whitman-332731 12 23 34 45 5IBM TechXchange|David Whitman-33274The Discovery BottleneckDiscoverMental Models that WorkClarifyMultiple Lenses RequiredAnalyzePractical 5-S
3、tep ProcessExecutePitfalls that Kill ProjectsAvoidAgenda&Journey MapClarityMental Models for UnderstandingMental Models for UnderstandingHow to think about static vs.dynamic analysisWhat AI can and cannot do at scaleWhat You Will GainAssessmentStrategies for Mapping LogicStrategies for Mapping Logic
4、Tool composition(deterministic+functional+AI)How to validate without boiling the oceanActionPatterns for UnderstandingPatterns for UnderstandingDomain-driven decomposition strategiesRisk-based prioritization scoringIBM TechXchange|David Whitman-33275Discovery BottleneckDiscovery BottleneckMainframe
5、Discovery is the Bottleneck.Doing it at scale is even harder.IBM TechXchange|David Whitman-33276The ChallengeBillionsBillions of lines of COBOL worldwideOver 50%Over 50%of projects stall at discoveryTool OverloadTool Overload:Which?When?How?What Actually WorksStart with Facts(Deterministic)Validate
6、with Runtime(Dynamic)Enrich with AI(Intent&Patterns)Combine under Governed FrameworkMultiple Lenses RequiredMultiple Lenses RequiredX X-Ray,MRI,and Stress Test Ray,MRI,and Stress Test Why You Need All ThreeWhy You Need All ThreeIBM TechXchange|David Whitman-33277X-Ray Static AnalysisStructure:Docume