Gartner Research

How to Accelerate Rehosting to Public Cloud IaaS

Published: 06 March 2019

ID: G00370361

Analyst(s): Angelina Troy


Rehosting applications into public IaaS requires a systematic approach, including establishing a strategy to migrate applications and practices for cloud management. This document provides a framework for technical professionals who are developing a plan to rehost applications into the cloud.

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework
    • P1: Have a Cloud Strategy in Place
    • P2: Ensure That You Have the Right Skills in Place
    • P3: Establish Cloud Management Practices
    • P4: Identify Applications That Will Result in Quick Wins
  • Step 1: Migration Planning and Cloud Environment Design
    • 1.1: Build Application Dependency Maps
    • 1.2: Build an Application Migration Plan
    • 1.3: Develop High-Level Infrastructure Architecture
    • 1.4: Build a Cloud Landing Zone
    • 1.5: Develop Detailed Infrastructure Architecture
  • Step 2: Perform the Application Migration
    • 2.1: Select Tools for Migration
    • 2.2: Prepare the Source VMs
    • 2.3: Develop a Migration Factory for Repeatability
    • 2.4: Test Migration Factory
    • 2.5: Begin Migration Using the Migration Factory
  • Follow-Up

Risks and Pitfalls

Gartner Recommended Reading

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