Gartner Research

Application Migration to Public Cloud IaaS Requires a Strong IAM Strategy

Published: 12 April 2017

ID: G00321054

Analyst(s): Paul Rabinovich


When migrating applications to IaaS, teams may not properly account for IAM, leading to short-term solutions to IAM challenges and misalignment with the organization's overall IAM architecture. This document guides technical professionals on common approaches to IAM in application migrations.

Table Of Contents


  • Comparing Options for Active Directory-Integrated Applications
  • Comparing Options for LDAP-Based Applications


  • Application Migration to the Cloud: A Brief Introduction
  • Criteria for Assessing IAM Architectures
  • Application Rehosting
    • Active Directory-Integrated Applications
    • LDAP-Integrated Applications
    • Identity Federation-Based Applications
  • Moving Beyond Compute and Network Services
  • Refactoring Application IAM


  • Use Rehosting to Begin Your Cloud Journey
  • Use Comparison Criteria to Choose the Optimal Directory Location
  • Run a Proof of Concept to Validate the IaaS Platform's AD Compatibility
  • Take Advantage of Identity Federation and Modern Identity Protocols
  • Prefer IaaS Platforms With Mature and Robust Identity Services
  • Mitigate Against Vendor Lock-In

The Details

  • Application IAM
    • User Authentication
    • Security Token Services for Token and Protocol Translation
    • Adaptive Access and Trust Elevation
    • Single Sign-On
    • Session Management
    • Access Policy Enforcement
    • Coarse- and Fine-Grained Authorization Control
    • Access Event Logging and Reporting

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