A Catalog of Available X.500 Implementations
RFC 1292

Document Type RFC - Informational (January 1992; No errata)
Obsoleted by RFC 1632
Last updated 2013-03-02
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Network Working Group                                            R. Lang
Request for Comments: 1292                             SRI International
FYI: 11                                                        R. Wright
                                            Lawrence Berkeley Laboratory
                                                            January 1992

             A Catalog of Available X.500 Implementations

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard.  Distribution of this memo is


   The goal of this document is to provide information regarding the
   availability and capability of implementations of X.500.  Comments
   and critiques of this document, and new or updated descriptions of
   X.500 implementations are welcome.  Send them to the Directory
   Information Services Infrastructure (DISI) Working Group
   (disi@merit.edu) or to the editors.

1.  Introduction

   This document catalogs currently available implementations of X.500,
   including commercial products and openly available offerings.  It
   contains descriptions of Directory System Agents (DSA), Directory
   User Agents (DUA), and DUA client applications.  The latter can
   include such applications as browsers, DSA management tools, or
   lightweight DUAs that employ an application-level protocol to
   communicate with a DUA (which then in turn communicates with a DSA)
   to support user service.  Section 2 of this document contains a
   listing of implementations cross referenced by keyword.  This list
   will aid in identifying particular implementations that meet your

   To compile this catalog, the DISI Working Group solicited input from
   the X.500 community by surveying several Internet mailing lists,
   including: iso@nic.ddn.mil, isode@nic.ddn.mil, osi-ds@cs.ucl.ac.uk,
   and disi@merit.edu.

DISI Working Group                                              [Page 1]
RFC 1292                     X.500 Catalog                  January 1992

   Readers are encouraged to submit comments regarding both the form and
   content  of  this  memo.  New submissions are always welcome.  Please
   direct input to the parties as described in the Status of  this  Memo
   section.  DISI will produce new versions of this document when a suf-
   ficient number of changes have been received.  This  will  be  deter-
   mined subjectively by the DISI chairperson.

1.1  Purpose

   The growth of existing X.500 pilot activities (e.g., White Pages
   Pilot Project) and the advent of new pilots (e.g., ARRNet Directory
   Services Project, NIST/GSA Pilot Project) are signals that X.500 is a
   viable directory service mechanism for the Internet community.  A
   goal of DISI is to enable the continued growth of X.500 by lowering
   the lack-of-information barrier.  This document takes one step toward
   that goal by providing an easily accessible source of information on
   X.500 implementations.

1.2  Scope

   This document contains descriptions of either commercially or freely
   available X.500 implementations.  It does not provide instructions on
   how to install, run, or manage these implementations.  Because the
   needs and computing environments of each organization differ vastly,
   no recommendations are given.  The descriptions and indices are
   provided to make the readers aware of existing options and to enable
   more informed choices.

1.3 Disclaimer

   Implementation descriptions were written by implementors and vendors,
   and not by the members of DISI.  Although DISI has worked with the
   description authors to ensure readability, no guarantees can be made
   regarding the validity of descriptions or the value of said
   implementations.  Caveat emptor.

1.4  Overview

   Section 1 contains introductory information.

   Section 2 contains a list of keywords, their definitions, and a cross
   reference of the X.500 implementations by these keywords.

   Section 3 contains the X.500 implementation descriptions.

   Section 4 lists the editors' addresses.

DISI Working Group                                              [Page 2]
RFC 1292                     X.500 Catalog                  January 1992

1.5  Acknowledgments

   The creation of this catalog would not have been possible without the
   efforts of the description authors and the members of the DISI
   Working Group.  The editors thank you for your hard work and
   constructive feedback.  A special thanks is also extended to the
   members of the NOCTools Working Group.  The "Network Management Tool
   Catalog" (RFC-1147) served as a valuable example.  Bob Stine and Bob
   Enger made key suggestions that enabled us to learn from their

   The efforts of the editors were sponsored by Defense Advanced
   Research Projects Agency Contract Number DACA76-89-D-0002 (Field
   Operational X.500 Project), and U. S. Department of Energy Contract
   Number DE-AC03-76SF00098.

2.  Keywords

   Keywords are abbreviated attributes of the X.500 implementations.
   The list of keywords defined below was derived from the
   implementation descriptions themselves.  Implementations were indexed
   by a keyword either as a result of: 1) explicit, not implied,
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