Legacy Application Modernization: Sorting Through the Options from an Application Development Perspective

Executive Snapshot

• Figure: Executive Snapshot: Understanding Legacy Application Modernization

Situation Overview

• Definitions

• COVID-19 and Legacy Application Modernization

• Legacy Application Modernization

• Figure: Legacy Applications That Have Been Modernized

• Figure: Developer Usage of Modernization Techniques

• Figure: Application Code That Is Refactored as Part of a Modernization Initiative

• Comparing Different Modernization Modalities

• Table: Comparison Between Modernization Pathways

Advice for the Technology Buyer

• Understand That Modernization Can Take Place Through Several Modalities

• Understand That Modernization Is an Ongoing Process

• Recognize That Modernization Is Not Necessarily About Decomposing a Monolithic Application into Microservices

• Develop a Strategic Road Map for Modernization

• Conduct a Modernization Assessment

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• Related Research

• Synopsis