The following table describes the main features of Rackspace Identity Federation:

Conforms to SAML 2.0Is compatible with third-party identity federation systems that adhere to the SAML 2.0 standard.
Uses existing identity systems and credentialsEnables customers to connect to Rackspace with their own company credentials instead of requiring new credentials.
Provides attribute mapping policy capabilityUses a rich, YAML-based, policy language that enables you to dynamically configure the roles and permissions that users receive when they log in.