Concepts

Use this information to learn about the underlying concepts for single signon for a better understanding of how you can plan to use single signon in your enterprise.

Single signon uses multiple services and technologies to achieve a solution that offers simplified identity and authorization management. The following topics explain the benefits of single signon and how different services are used to create this solution. Before you begin using single signon, you may find it helpful to review these concepts:

• Single signon overview
  This topic describes the problems that a single signon solution is designed to alleviate and the benefits that you can attain by using single signon in your enterprise.
• Authentication
  This information explains the process of authentication and the role that it plays in a single signon solution.
• Authorization
  This information explains the process of authorization, some different authorization methods, and the role it plays in a single signon solution.
• Domains
  Use this information to learn about the differences between EIM domains and Windows^® domains, both of which are part of a single signon environment.
• Identity mapping
  Use this information to learn how the identity mapping process works within the single signon environment.
• i5/OS enablement
  This information explains the i5/OS™ considerations for the enablement of single signon, and which i5/OS™ applications and programs can participate in a single signon environment.
• ISV enablement
  This information describes ISV considerations for the enablement of single signon, and how ISVs can create applications and programs that can participate in a single signon environment.