- Links electronic identities and attributes across multiple identity management systems
- Enables users to use the same credentials for login across systems managed by different organizations
- Based on trust relationships between systems
- Federation extends beyond an organization’s boundaries
- Partners
- Suppliers
- Customers
- Simplifies user access to various services
- Ensures security through trust relationships between networks
Federation Process
Login Initiation
User accesses a service or application and chooses to log in
Redirection to Identity Provider
Service Provider (SP) redirects the user to their Identity Provider (IdP) for authentication
Authentication of the user
IdP validates the user’s identity using stored credentials
Validates the user’s identity
Generation of Assertion
IdP creates an assertion (token) with user identity and authentication status in a standardized format
Return to Service Provider
User returns to the original service or application with the assertion from the IdP
Verification and Access
Service Provider verifies the assertion and grants access based on the information it contains