An Overview and a Screencast on Identity Federation
On Sun Inner Circle is a newly published overview, Identity Federation: Securing Your Extended Enterprise, on building cross-enterprisethat is, federatedframeworks for identity, Web services, and SSO. The paper discusses the three stages of securely sharing data across organizations, the myths, and the benefits of Sun's related products (Sun Java System Access Manager and Sun Java System Federation Manager), along with examples.
Also take a look at this four-minute screencast on managing federated identities. It's narrated in layman's terms. Well done!