directory service
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... Thus, along with the expansion of the telecommunications
infrastructure came the development of Directory Services. In this
paper, we will discuss various models of directory services, the
...
... infrastructure came the development of Directory Services. In this
paper, we will discuss various models of directory services, the
limitations of current models, and some solutions provided by the
X.500 ...
... MODELS OF DIRECTORY SERVICES ...
...
A model many people think of when they hear the words "Directory
Services" is the directory service provided by the local telephone
...
...
A model many people think of when they hear the words "Directory
Services" is the directory service provided by the local telephone
company ...
... Some currently available directory services on the Internet. ...
... imposed by the phone system on the area codes and exchange prefixes,
any directory service must be able to deal with the fact that the
Internet is not structured; for example, the hosts ...
... capabilities right now. The lack of search capabilities alone shows
that we cannot provide a rich Directory Service through the DNS.
...
... THE X.500 MODEL OF DIRECTORY SERVICE ...
... show how they were implemented in QUIPU, and discuss where the 1992
standard will take us. The QUIPU implementation was chosen because
a) it is widely used in the U.S. and European Directory Services
Pilot projects, and b) it works well. For a survey of other X.500
...
... DSA for company or
campus wide directory services; for example, the University of
Michigan is providing all the campus directory services through
...
... campus wide directory services; for example, the University of
Michigan is providing all the campus directory services through
X.500. The DUAs are available for a wide range ...
... Despite this, however, X.500 is very good at what it was designed to
do; i.e., to provide primary directory services and "resource
location" for a wide band oftypes of information.
...
... X.500 standard proved to be quite sufficient
to start building a Directory Service. However, many of the new
functions implemented in QUIPU were necessary if the Directory were
to function in a reasonable manner. X.500 ...
...
X.500 is filling Directory Services needs in a large number of
countries. As a directory to locate people, it is provided in the
U.S. as the White Pages ...
... resource location facilities and to provide source location for WAIS
servers. In fact, in almost every area where one could imagine
needing a directory service (particularly for distributed directory
services), X.500 is either providing those services ...
... servers. In fact, in almost every area where one could imagine
needing a directory service (particularly for distributed directory
services), X.500 is either providing those services or being expanded
...
... In particular, X.500 was envisioned by its creators as providing
directory services for electronic mail, specifically for X.400. It is
...
... X.500 feel that X.500's strengths lie in
providing directory services for people and objects, and for
providing primary resource location for a large number of online
services ...
...
Weider, C., and J. Reynolds, "Executive Introduction to Directory
Services Using the X.500 Protocol", FYI 13, RFC 1308fyi13, ANS ...