X.500 Recommendation Release

The initial set of X.500 recommendations for directory services was published, outlining a global, distributed directory.

Significance

X.500 laid the conceptual groundwork for hierarchical directories and object classes, which LDAP would later adopt and simplify. It defined the problem LDAP was built to solve access to.

Key facts

Date
1988-11-01
Type
release
Location
International Telecommunication Union (ITU)