Gartner Research

Reduced Sign-On

Published: 06 September 2006

ID: G00203219

Analyst(s): Gerry Gebel


Users complain, rightly, that they are faced with too many sign-on challenges as they go about their daily work routines. Architects attempting to address this problem may feel a little like the Greek mythological character Sisyphus. To help organizations get rolling in the right direction, this new "Reduced Sign-On" Technical Position provides guidance for how to implement the many alternatives available to simplify the user environment.

Table Of Contents

Decision Point

Typical Requirements

  • Convenience vs. Risk Aggregation: Simplified, Reduced, or Single Sign-On
  • Managing Authentication Across Identity and Policy Domains
  • Increase Productivity
  • Reduce IT Costs
  • Develop RSO Strategy for All Constituencies
  • Provide Integration Point for Stronger Authentication
  • Enable Policy-Based Authentication


  • Password Management
  • E-SSO
  • Web SSO
  • Federation
  • Central LDAP Authentication
  • Extending NOS Login

Future Developments

  • Expanded Use of Federation
  • GINA Module Goes Away in Windows Vista
  • Broader Adoption of Web Services Applications

Evaluation Criteria

Statement & Basis for Position

  • Policy Considerations Position
    • Implement RSO.
    • Don't utilize RSO techniques.
  • Password Management Position
    • Consider password-management tools as a tactical step.
    • Do not reduce sign-on or use password management.
    • Seek to leverage RSO approaches.
  • RSO for Heterogeneous Applications Position
    • Use WAM solutions.
    • Use WAM or centralized LDAP authentication service.
    • Use E-SSO or centralized LDAP authentication service.
  • Extending Network Domain Login Position
    • Use the NOS authentication and session mechanisms for RSO.
    • Do not use the NOS directory for RSO.
  • Federation Protocols Position
    • Use federation.
    • Use any mechanisms that are suitable to the domain.

Relationship to Other Components

Revision History

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