X.500 System and methods using metadata

摘要

The present invention addresses the problem of implementing X.500 using an SQL product. The present application discloses an application of X.500 to a relational database, a database design and use of the database to perform X.500 services. Particularly, the disclosure relates to implementation using an RDBMS (Relational DataBase Management System). The invention relates to implementing X-500 or similar directory interrogation and/or modification services to store different types of directory data for different objects through the use of meta-data.