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Before using this information and the product it supports, read the general information under Appendix A, Notices. |
First Edition (April, 2002)
This edition applies to version 4, release 1, of The IBM Directory Server and to all subsequent releases and modifications until otherwise indicated in new editions. See the IBM Directory Server Version 4.1 README Addendum for later updates.
(C) Copyright International Business Machines Corporation 2001. All rights reserved.
U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
This document is a supplement to the IBM Directory 4.1 product documentation and describes features and functions made available to you in this release.
IBM Directory 4.1 is supported on the following platforms:
Notes:
IBM Directory server requires the following software to be installed:
The following standards were implemented in this release:
The IBM Directory client interoperates with:
The IBM Directory server interoperates with:
DMT interoperates with:
The IBM Directory is NLS-enabled. Sever Administration and Directory Management Tool, as well as messages, helps and documentation are translated into all French, Italian, German, Spanish, Japanese, Korean, Simplified Chinese, Traditional Chinese and Brazilian Portuguese on all platforms except HP-UX. In addition, the AIX operating system is translated into Russian, Slovakian, Polish, Hungarian, Czech and Catalan.
IBM Directory 4.1 on HP-UX is not translated at this time.
Linux operating system Intel distributions now include translation where supported by the distribution and IBM. Please see the following tables for languages supported by the Linux distributions:
Linux single byte language support:
| Distribution | English | French | Italian | German | Spanish | Brazilian Portuguese |
|---|---|---|---|---|---|---|
| Red Hat 7.1 | Yes | Yes | Yes | Yes | Yes | No |
| SuSE 7.2 | Yes | Yes | Yes | Yes | Yes | Yes |
| Turbolinux 6.5 | Yes | No | No | No | No | No |
Linux double byte language support:
| Distribution | Japanese | Korean | Simplified Chinese | Traditional Chinese |
|---|---|---|---|---|
| Red Hat 7.1 | Yes | No | No | No |
| SuSE 7.2 | No | No | No | No |
| Turbolinux 6.5 | Yes | Yes | Yes | Yes |
The following functions have been added in the 4.1 release:
The C API for the AIX 5.1 client expands the previous SDK and allows non-SSL 64-bit IBM Directory applications.
Dynamic groups are groups that are defined using a search expression. When an attribute is added to a directory entry, the entry automatically becomes a member of the group. In addition, simple, efficient methods are provided for client applications to:
The search expressions can be used in combination with existing group attributes.
These groups can be used for access control.
Several performance improvements are featured in this release. For example, it is now possible for multiple clients to update their directories simultaneously. Communciation between the server and plugins has been significantly improved, as well as search and compare performance. For more detailed information about performance tuning for IBM Directory 4.1, see the IBM Directory Server Version 4.1 Tuning Guide.
The IBM Directory installation program uses InstallShield MultiPlatform, which gives the installation program the same look and feel across all supported platforms except HP-UX and Linux 390. The installation program now includes an integrated installation of DB2(R) V7.2, IBM HTTP Server V1.3.12, and GSKit Version 5.0.4.48, and componentized installation of the client and DMT.
Nesting of groups enables the creation of hierarchical relationships that can be used to define inherited group membership. A nested group is defined as a child group entry whose DN is referenced by an attribute contained within a parent group entry. A new attribute has been defined to explicitly distinguish nested groups from ordinary members.
The IBM Directory C client and server now use the Network Authentication 1.2 C client on AIX, Windows NT, and Windows 2000 operating systems. The IBM Directory server is compatible with the authentication services provided by Microsoft.
The paged results control allows you to manage the amount of data returned from a search request. You can request a subset of entries (a page) instead of receiving all the results at once. Subsequent search requests display the next page of results until the operation is canceled or the last result is returned. For example, if you have a hundred entries that match your search, you can specify that the entries be displayed on pages containing 25 results each.
The process size limit for slapd on the AIX, Solaris, and Linux operating systems has been increased from 256 MB to 2 GB. This allows for increased cache sizes and better scalability. In addition, database connections on all UNIX platforms now use local loopback TCP/IP connections, which eliminate the need for shared memory segments and make 2 GB of memory available for a server running on an AIX operating system. This also greatly increases the number of available database connections.
The sorted search control allows a client to receive search results sorted based on a list of criteria, where each criteria represents a sort key. This moves the responsibility of sorting from the client application to the server, where it might be done more efficiently. For example, you might want to sort a list of employees by surname, common name, and telephone number. Instead of building the search list twice so it can be sorted (once at the server and then again at the client after all the results are returned), the search list is built only once, and then sorted, before returning the results to the client application.
A distinguished name (DN) can now contain the following special characters: , (comma), = (equals), + (plus), <, >, #, ; (semicolon), \ (backslash), and "" (quotation marks).
Instructions are provided for using these special characters in an attribute value in a DN string.
IBM Directory 4.1 no longer supports IBM JNDI. IBM Directory 4.1 includes the Sun Microsystems JNDI. Please see Sun documentation for information about Sun JNDI. There might be some functional differences between IBM and Sun implementations that require changes to existing JNDI applications. In Chapter 11 of IBM Directory Server Version 4.1 Installation and Configuration Guide for Multiplatforms, there are instructions that show you how to back up your IBM JNDI code. IBM JNDI applications might still run, but it is recommended that you begin using Sun JNDI immediately.
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