Patent ID: 7827318

Claim:
A computer memory device comprising: a computer memory device suitable for encoding software instructions; and one or more software instructions encoded by the computer memory device configured to cause a processor to: provide to a web browser by a home domain server a home identity cookie having an extensible data area and an enrollment token; perform enrollment through an e-community for a user of the web browser by redirecting the home identity cookie via the web browser to each of a plurality of affiliated domains in the e-community until each affiliated domain has been visited once by the web browser; responsive to each visit to each affiliated domain, send an affiliated domain identity cookie to the web browser including an enrollment successful indicator; accumulate and persistently store received enrollment success indicators in the extensible data area of the home identity cookie by the web browser; and subsequently vouch for an identity of the user at an affiliated domain through exchange of a vouch-for request and vouch-for response between the home domain server and an affiliated domain server.