The Adding Directory Support lesson shows you how to add directory support to a service provider once you have the basic components. This lesson is useful only to those readers who are building a service provider for a directory service. The Adding URL Support lesson shows you how to add URL support to a service provider once you have the basic components. URL support is an optional feature. The Adding Federation Support lesson shows you how to add support for federation to a service provider once you have the basic components.
Federation is an optional feature.
The Miscellaneous lesson shows you how to package a service provider and how to implement various advanced features such as referrals and event notification.