Mastering Intranet and Internet Technology

One way to improve location services is through the adoption of (de facto or de jure) standards.

The following directory services go much further than the "personal" ones discussed earlier.

X.500

X.500 and its associated series of standards define a formal directory, directory access and security structure.

International Telecommunications Union

Nexor's X.500 Information Page

Standards

Series X Recommendations : X.500 and up

Banyan's StreetTalk

Known as the network that connects networks

• StreetTalk Version 3
• 
• StreetTalk for Windows NT Version 8.5Runs on Intel, Unix, VAX
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Microsoft Active Directory - MAD

Based on the Internet's Domain Names Service directory. Released in February 2000 as part of Microsoft's Windows 2000 Operating System.

• Windows NT Server Active Directory
• Novell's NT Domain and Active Directory Fact BookOnly available and operational on Windows 2000. (Intel based PCs.)

Novell Directory Services - NDS

NDS is currently the most widely used directory service in the world.

• 
• Novell Directory Services
  
• 
• 
• NetWare 5 Features and Benefits
• Runs on Intel (NetWare and Windows NT/2000), Macintosh, Unix (Solaris, AIX), Linux, IBM S/390
• Currently demonstrating a billion (109) user directory tree.
• A Typical Tree Structure
  

Microsoft Exchange

Netscape Directory

Lotus Notes

Lightweight Directory Access Protocol - LDAP

LDAP is NOT a Directory Service.

LDAP provide the means of obtaing information from a foreign directory service. Most of the previous directory services support LDAP. (Though some do it beter than others.)

• Banyan - LDAP Support for StreetTalk 3

• Novell - LDAP Support in NDS

• Internet week - Can a single, unified directory come off the drawing board and onto enterprise networks?

• http://www5.zdnet.com/cshopper/content/9705/cshp0039.html

• Innosoft's LDAP World

	Web Author: Geoff May	Last Update: 04/05/00
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