74 lines
4.2 KiB
HTML
74 lines
4.2 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<title>Directory Server (LDAP) - Replication agreements</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="rzahyrepagree"></a>
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<h3 id="rzahyrepagree">Replication agreements</h3>
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<p>A replication agreement is an entry in the directory with the object class <span class="bold">ibm-replicationAgreement</span> created beneath a replica
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subentry to define replication from the server represented by the subentry
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to another server. These objects are similar to the replicaObject entries
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used by prior versions of the Directory Server. The replication agreement
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consists of the following items:</p>
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<ul>
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<li>A user friendly name, used as the naming attribute for the agreement.</li>
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<li>An LDAP URL specifying the server, port number, and whether SSL should
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be used.</li>
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<li>The consumer server id, if known. Directory servers prior to V5R3 do not
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have a server id.</li>
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<li> The DN of an object containing the credentials used by the supplier to
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bind to the consumer.</li>
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<li>An optional DN pointer to an object containing the schedule information
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for replication. If the attribute is not present, changes are replicated
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immediately.</li></ul><p class="indatacontent">The user friendly name might be the consumer server name or some other
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descriptive string.</p>
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<p>The consumer server id is used by the administrative GUI to traverse the
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topology. Given the consumer's server ID, the GUI can find the corresponding
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subentry and its agreements. To aid in enforcing the accuracy of the data,
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when the supplier binds to the consumer, it retrieves the server ID from the
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root DSE and compares it to the value in the agreement. A warning is logged
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if the server IDs do not match.</p>
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<p>Because the replication agreement can be replicated, a DN to a credentials
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object is used. This allows the credentials to be stored in a nonreplicated
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area of the directory. Replicating the credentials objects (from which 'clear
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text' credentials must be obtainable) represents a potential security exposure.
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The cn=localhost suffix is an appropriate default location for creating credentials
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objects.</p>
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<p>Object classes are defined for each of the supported authentication methods: </p>
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<ul>
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<li>Simple bind</li>
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<li>SASL</li>
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<li>EXTERNAL mechanism with SSL</li>
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<li>Kerberos authentication</li></ul>
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<p>You can designate that part of a replicated subtree not be replicated by
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adding the ibm-replicationContext auxiliary class to the root of the subtree,
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without defining any replica subentries.</p>
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<a name="wq39"></a>
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<div class="notetitle" id="wq39">Note:</div>
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<div class="notebody">The Web administration tool also refers to agreements as 'queues'
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when referring to the set of changes that are waiting to be replicated under
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a given agreement.</div>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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