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IDC PlanScape: Application Modernization Approaches

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KSA 25.04.11

This IDC PlanScape explores the common approaches to application modernization that prepare organizations against impending risks and allow them to adapt to emerging technologies. Application modernization is no longer a choice but a necessity for organizations aiming to reduce risks, improve efficiency, and maintain competitive positioning. By embracing cloud technologies and modern development practices, CIOs can transform legacy applications into strategic assets that drive long-term value for their organizations.According to Gerald Johnston, adjunct research advisor with IDC's IT Executive Programs (IEP), "Application modernization is not just about migrating to the cloud; it's about strategically transforming legacy systems to unlock scalability, agility, and innovation. Whether through re-factoring, rewriting, or rehosting, the ultimate goal is to align IT capabilities with evolving business demands while future proofing for emerging technologies."

IDC PlanScape Figure

Executive Summary

  • The Case for Modernization
  • The Drivers for Change

Why Are Application Modernization Approaches Important?

What Are Application Modernization Approaches?

Who Are the Key Stakeholders?

How Can My Organization Take Advantage of Application Modernization Approaches?

  • Lift and Shift (Rehosting)
    • Lift-and-Shift Process
    • Relative Benefit and Cost
    • Example in Practice
  • Move and Modernize (Re-Factoring)
    • Move-and-Modernize Process
    • Relative Benefit and Cost
    • Example in Practice
  • Modernize then Move (Re-Platforming)
    • Modernize-then-Move Process
    • Relative Benefits and Costs
    • Example in Practice
  • Rewrite to the Target Platform
    • Rewrite-to-the-Target-Platform Process
  • Rewrite on Modern Platform
    • Rewrite-on-Modern-Platform Process
    • Relative Benefits and Costs
    • Example in Practice

Advice for Technology Buyers

  • Strategic Advice for CIOs
    • Ongoing Modernization
    • Cloud-Agnostic Architectural Standards
  • Tactical Advice for CIOs

Related Research

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