Gartner Research

Designing a Public Cloud Exit Strategy

Summary

Technical professionals responsible for cloud computing must prioritize risk mitigation as part of their cloud design plan. Hence, a comprehensive cloud-first strategy requires a carefully designed exit plan for IaaS, PaaS and SaaS before consuming public cloud services.

Published: 06 January 2017

ID: G00311602

Analyst(s): Elias Khnaser

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework
    • Form a Cloud Event Triage Team
    • Assess Public Cloud Deployment Tier Exit Viability
    • Determine Viable Sourcing Options
    • Segment Applications and Providers
    • Define a List of Unacceptable Conditions
    • Maintain a List of Exit Plan Templates and Lessons
  • Phase 1: Exit Strategizing
    • Define and Document Unacceptable Application-Level Conditions
    • Assess Technical, Business and Financial Dependencies
    • Identify, Evaluate and Select Alternative Providers
    • Prepare for Business Continuity
  • Phase 2: Exit Planning
    • Brainstorm Exit Plan Components
    • Follow Best Practices
    • Share the Exit Plan
  • Phase 3: Exit Acceptability and Viability
    • Determine Event Acceptability
    • Determine Exit Viability
    • Document Exit Decision
  • Phase 4: Exit Execution
    • Confirm Exit Plan
    • Determine Exit Path and Communicate
    • Commence the Exit
    • Eradicate Cloud Remnants
    • Sever Provider Relationships
    • Create New Exit Plan and Document Lessons Learned
  • Follow-Up

Risks and Pitfalls

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