Abstract: During the development of directory system, many application systems based on different platform are integrated into unified directory. If the integration work is implemented independently, it can reduce the efficiency of directory system. So research on interface architecture is the appropriate choice. This paper discusses how to establish the interface architecture of unified directory by the implementation of interface for identity management system, unified authorization system, directory service system in the case of one company.

Key words: enterprise informatization, identity management, unified directory, unified authorization, interface