!!! Overview
[{$pagename}] is part of the [X.500] [ITU] provides a number of different models for the Directory as a
framework for the other Recommendations in the [ITU]-T X.500-series. 

The models are:
* the overall (functional) model
* the administrative authority model
* generic Directory Information models 
** providing Directory User
** Administrative User views on Directory information
** generic [Directory System Agent] ([DSA]) 
** DSA information models and operational framework
** a security model. 

!! More Information
There might be more information for this subject on one of the following:
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