Gartner Research

Implementing Disaster Recovery for Public Cloud IaaS-Based Workloads

Published: 15 November 2017

ID: G00342344

Analyst(s): Lowell Shulman

Summary

Organizations need a DR plan for new cloud-based workloads or critical applications that have migrated to public cloud IaaS or PaaS. This research guides technical professionals in enabling DR for Amazon Web Services and Microsoft Azure workloads.

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework — Review Existing DR Capabilities
    • P1: Review the BIA
    • P2: Identify/Confirm RPOs/RTOs
    • P3: Review DR Plan
  • Framework Component 1 — Align With Cloud DR Plan
    • 1.1 Review Cloud Strategy
    • 1.2 Identify Strategic Providers
    • 1.3 Recognize DR Implications
  • Framework Component 2 — Profile Applications
    • 2.1 Understanding Your Deployment Pattern
    • 2.2 What Cloud Services Are Consumed
    • 2.3 Mapping Dependencies and Failover Priorities
    • 2.4 Update the BIA
  • Framework Component 3 — Evaluate Potential DR Options
    • 3.1 Native Cloud Capabilities That Apply to All DR Options
    • 3.2 Native Cloud Options for Data Replication and Workload Failover/Restart
    • 3.3 Third-Party DR Options for Data Replication and Workload Failover
    • 3.4 Resilient Application Design
  • Framework Component 4 — Select and Deploy DR Solution
    • 4.1 Define a Set of Guiding Principles to Aid the Decision
    • 4.2 Ensure Solution Will Meet Business RPO/RTO Requirements
    • 4.3 Choose a DR Solution
    • 4.4 Deploy DR Solution
  • Follow-Up
    • Test Your DR Readiness
    • Revisit New Cloud and Third-Party Offerings
    • Continually Enhance Your DR Plan

Risks and Pitfalls

  • Don't Assume Data Is Protected
  • Understand SLAs
  • Network Latency to Failover Region
  • Egress Costs
  • Cloud Management and Developer Skills
  • Cloud Vendor Lock-In

Related Guidance

Gartner Recommended Reading

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