Registry&Directory InfrastructureOverall Problem Statement

• LDAP, and to a lesser degree X.500, are simply protocols.

• Though possessing rich informational and functional models, they don’t provide any capabilities on their own for, for example, expressing business rules..

  • ensuring any particular identifier is unique
    • [I’m using “identifier” here in terms of an arbitrary attribute value, not as a RDN value]
  • ensuring syntax of string-based attribute values
    • This is more an issue with LDAP, X.500 has provisions for server-based attribute syntax validation.
  • etc.

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