Legacy Modernization

Legacy Modernization IndexTM

Mainframe, COBOL: modernize or perish. Evaluate your legacy systems obsolescence and define your transformation strategy.

72%
Systems on Mainframe
220B
COBOL Lines Active
57 years
Avg Developer Age

Obsolescence

Age, support, vulnerabilities

Average age of your core applications

25
< 5 years5-10 years10-15 years15-25 years> 25 years

Support status on your critical technologies

25
ActiveExtendedLimitedEnd nearObsolete

Security debt level on legacy

25
PatchedDelay < 1 yearDelay > 1 yearUnpatchableCritical

Risks

Dependencies, single points of failure

Coupling between legacy systems and IS

25
IsolatedLimitedModerateStrongSystemic

Global outage risk linked to legacy

25
NoneRareIdentifiedFrequentPermanent

Legacy criticality for business

25
SupportOperationalImportantStrategicCore business

Maintenance Costs

TCO, run vs build, ratio

Percentage of IT budget devoted to legacy

25
< 20%20-40%40-60%60-80%> 80%

Run share vs transformation projects

25
30/7050/5060/4070/3085/15

Legacy impact on IT velocity

25
NormalSlight impactModerateStrongParalyzed

Skills

Expertise, recruitment, transfer

Competency level on legacy technologies

25
StrongAdequateLimitedCriticalNon-existent

Ability to recruit legacy experts

25
EasyPossibleDifficultVery rareImpossible

Documentation and knowledge transmission

25
FormalizedDocumentedOralRareNon-existent

Migration Path

Strategies, complexity, feasibility

Existence of a transformation roadmap

25
DeployedDefinedIn progressSketchedNon-existent

Estimated modernization difficulty

25
SimpleModerateComplexVery complexExtreme

Resources allocated for transformation

25
SufficientPartialLimitedInsufficientNone

Organization Context