CardSpace supports a large number of deployment scenarios. It can be used in simple logon scenarios, using Personal Cards. It also supports Managed Cards, allowing a website to trust a third-party IP. There are also more advanced federation deployments that require multiple security token services for a single CardSpace interaction. Then to add another dimension, this can all be done by websites, Web service applications, and native and managed client applications. Yet, despite the diversity of deployment options, CardSpace is able to let the average user interact with their digital identities in a consistent way.
CardSpace also provides a consistent experience for the developer, a standardized digital identity model ...