Some software vendors are developing eDirectory products

Some software vendors are developing eDirectory products, which essentially put all authentication and authorisation functions in one central repository. The central repository contains a user directory and the access control policy for all applications, such as NT network, Unix machines and databases. For this Discussion, you will consider the similarities and differences between the reference monitor concept and eDirectory products.

To complete this Discussion:

Post:Compare the reference monitor concept with eDirectory products. Evaluate eDirectory from a security viewpoint and from a point of view of good design.