A method and a system are presented in which federated domains interact within a federated environment. Domains within a federation can initiate federated single-sign-on operations for a user at other federated domains. A point-of-contact server within a domain relies upon a trust proxy within the domain...http://www.google.com/patents/US20060021019?utm_source=gb-gplus-sharePatent US20060021019 - Method and system for federated provisioning
