Gartner Research

How to Develop a Business Case for the Adoption of Public Cloud IaaS


Organizations often struggle to build internal consensus on the adoption of public cloud services due to the uncertainty of benefits and costs. This research helps technical professionals to develop a business case to support investments in migrating workloads into public cloud IaaS.

Published: 21 November 2018

ID: G00365833

Analyst(s): Marco Meinardi

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework
    • Prework: Align to Your Cloud Strategy
    • Prework: Set Expectations
    • Prework: Define Scope
    • Prework: Assess Options
  • Step 1: Quantify Expected Benefits
    • Quantify Cost Savings
    • Quantify Additional Revenue
  • Step 2: Quantify Necessary Investments
    • Quantify Skills and Processes
    • Quantify Migration and Transformation
    • Quantify Tooling Investments
  • Step 3: Calculate TCO/ROI
    • Determine Current State Cost
    • Estimate Target State Cost
    • Calculate TCO/ROI
  • Follow-Up

Risks and Pitfalls

  • Related Guidance
  • Appendix

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