Gartner Research

A Guidance Framework for Architecting Portable Cloud and Multicloud Applications

Published: 16 December 2016

Summary

Technical professionals must be wary of locking their applications into a particular cloud provider's service. This report provides guidance on creating applications that are portable across cloud services, and on creating multicloud applications that span these services.

Included in Full Research

  • Step 1: Assess Portability and Multicloud Priorities for Your Application Portfolio
    • Assess Cloud Applications in Terms of the Hierarchy of Portability and Multicloud Needs
    • Determine Application Portability Priority
    • Understand Multicloud Application Architecture
    • Consider the Portability and Multicloud Scenarios for Each Application
  • Step 2: Understand and Avoid the Portability Anti-patterns
    • Lock-In to High-Productivity Application Platforms
    • Lock-In via Interface Dependencies
    • Lock-In to Proprietary Cloud Services
  • Step 3: Select Enabling Technologies for Portable and Multicloud Architectures
    • Understand How Cloud Delivery Models Impact Contextual Independence
    • Choose a Portable Outer Architecture to Gain Contextual Independence
    • Multicloud Toolkits
  • Step 4: Implement Application- or Service-Level Contextual Independence
    • Favor Modular and Composite Design
    • Choose Rightsize Application and Service Deployment
    • Commit to Frequent Refactoring
    • Run Your Own Backing Services
    • Prove Contextual Independence Works via Continuous Delivery
  • Step 5: Maintain Vigilance in Production
  • Pitfall 1: Overengineering Portability Without a Business Case
  • Pitfall 2: Investing in Future Value That Never Materializes
  • Pitfall 3: Home-Brewed Solutions Cost Too Much to Implement and Maintain

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