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From conflue...@apache.org
Subject [CONF] Apache Directory Server v1.0 > ApacheDS v1.0 Features
Date Thu, 19 Nov 2009 10:34:00 GMT
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     <h2><a href="http://cwiki.apache.org/confluence/display/DIRxSRVx10/ApacheDS+v1.0+Features">ApacheDS
v1.0 Features</a></h2>
     <h4>Page <b>edited</b> by             <a href="http://cwiki.apache.org/confluence/display/~pamarcelot">Pierre-Arnaud
Marcelot</a>
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         <h1><a name="ApacheDSv1.0Features-Features"></a>Features</h1>

<h2><a name="ApacheDSv1.0Features-ApacheDSFeatures"></a>ApacheDS Features</h2>

<p>The Apache Directory Server is an embeddable LDAP server implemented in pure Java.
It has several features that make it unique among LDAP servers. Some of these featurea are
as follows:</p>

<ul>
	<li>Designed as an LDAP and X.500 platform; plugable components and subsystems make
ApacheDS extremely modular and ideal for experiments with various aspects of the LDAP protocol.</li>
	<li>The server's frontend is completely separable from its backend and vice-versa making
it very flexible for implementing virtual directories, proxy servers and gateways to X.500
directories.</li>
	<li>Several backends can be implemented and plugged into the server's partition nexus.
The server supports a BTree based partition out of the box but any backing store can be used
to implement a partition as long as it conforms to interfaces.</li>
	<li>The server exposes aspects of administration via a special system backend. LDAP
can be used to manage these concerns through the system naming context at ou=system.</li>
	<li>Both the backend subsystem and the frontend are separable and independently embeddable.</li>
	<li>The server contains a server side JNDI LDAP provider as the facade for the entire
backend subsystem. JNDI operations are directly translated by this provider into operations
against the nexus and the target partitions storing server entries.</li>
	<li>The server's networking code, MINA (Multipurpose Infrastructure for Network Applications)
was designed for pluggable protocol providers, of all sorts and not just LDAP. MINA gives
ApacheDS the ability to handle large amounts of concurrency.</li>
	<li>The server uses the Twix tools and APIs for ASN.1 BER encoding and decoding. These
tools are designed for a very small encoding and decoding footprint as well as for use in
non-blocking servers. The chunking nature of the BER codec makes the server very efficient
while handling encoding and decoding making it more resistant to DoS attacks.</li>
	<li>LDAP Stored Procedures and Triggers are scheduled for the next major version of
ApacheDS.</li>
	<li>LDAPv3 compatible certified by the OpenGroup</li>
</ul>


<h2><a name="ApacheDSv1.0Features-ComparingApacheDS%2CFedoraDirectoryServerandOpenLDAP"></a>Comparing
ApacheDS, Fedora Directory Server and OpenLDAP </h2>

<h3><a name="ApacheDSv1.0Features-General"></a>General </h3>
<table class='confluenceTable'><tbody>
<tr>
<th class='confluenceTh'>&nbsp;</th>
<th class='confluenceTh'>ApacheDS </th>
<th class='confluenceTh'>Fedora DS </th>
<th class='confluenceTh'>OpenLDAP </th>
<th class='confluenceTh'> OpenDS </th>
</tr>
<tr>
<td class='confluenceTd'>Website</td>
<td class='confluenceTd'><a href="http://directory.apache.org" rel="nofollow">http://directory.apache.org</a></td>
<td class='confluenceTd'><a href="http://directory.fedora.redhat.com" rel="nofollow">http://directory.fedora.redhat.com</a>
</td>
<td class='confluenceTd'> <a href="http://www.openldap.org" rel="nofollow">http://www.openldap.org</a>
</td>
<td class='confluenceTd'> <a href="http://www.opends.org/" rel="nofollow">http://www.opends.org/</a>
</td>
</tr>
<tr>
<td class='confluenceTd'> License </td>
<td class='confluenceTd'> Apache License 2.0 </td>
<td class='confluenceTd'> GNU General Public License </td>
<td class='confluenceTd'> OpenLDAP Public License</td>
<td class='confluenceTd'> Common Development and Distribution License </td>
</tr>
<tr>
<td class='confluenceTd'> Documentation </td>
<td class='confluenceTd'> minimal </td>
<td class='confluenceTd'> extensive </td>
<td class='confluenceTd'> sufficient </td>
<td class='confluenceTd'> extensive </td>
</tr>
<tr>
<td class='confluenceTd'> Code </td>
<td class='confluenceTd'> Java </td>
<td class='confluenceTd'> C/C++ </td>
<td class='confluenceTd'> C/C++ </td>
<td class='confluenceTd'> Java </td>
</tr>
<tr>
<td class='confluenceTd'> Backed by organization </td>
<td class='confluenceTd'> Apache Software Foundation </td>
<td class='confluenceTd'> RedHat </td>
<td class='confluenceTd'> OpenLDAP Foundation </td>
<td class='confluenceTd'> Sun </td>
</tr>
<tr>
<td class='confluenceTd'> Origin </td>
<td class='confluenceTd'> genuine </td>
<td class='confluenceTd'> Netscape DS (Michigan university)</td>
<td class='confluenceTd'> Michigan university </td>
<td class='confluenceTd'> genuine </td>
</tr>
<tr>
<td class='confluenceTd'> Admin Gui </td>
<td class='confluenceTd'> no </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> no </td>
<td class='confluenceTd'> yes </td>
</tr>
<tr>
<td class='confluenceTd'> Installation </td>
<td class='confluenceTd'> Installer </td>
<td class='confluenceTd'> Installer </td>
<td class='confluenceTd'> Package/build </td>
<td class='confluenceTd'> Installer </td>
</tr>
</tbody></table>


<h3><a name="ApacheDSv1.0Features-Technical"></a>Technical </h3>
<table class='confluenceTable'><tbody>
<tr>
<th class='confluenceTh'>&nbsp;</th>
<th class='confluenceTh'>ApacheDS </th>
<th class='confluenceTh'>Fedora DS </th>
<th class='confluenceTh'>OpenLDAP </th>
<th class='confluenceTh'>OpenDS </th>
</tr>
<tr>
<td class='confluenceTd'> Back-End </td>
<td class='confluenceTd'> JDBM and custom </td>
<td class='confluenceTd'> Berkeley DB </td>
<td class='confluenceTd'> Berkeley DB and others </td>
<td class='confluenceTd'> Berkeley DB Java Edition, NDB and memory </td>
</tr>
<tr>
<td class='confluenceTd'> Multiple Back-Ends </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> yes </td>
</tr>
<tr>
<td class='confluenceTd'> Front-ends </td>
<td class='confluenceTd'> LDAP, Kerberos, DNS, NTP, DHCP </td>
<td class='confluenceTd'> LDAP, DSMLv2 (SOAP/HTTP)</td>
<td class='confluenceTd'> LDAP/LDAPS </td>
<td class='confluenceTd'> LDAP/LDAPS. DSMLv2 gateway (SOAP/HTTP)</td>
</tr>
<tr>
<td class='confluenceTd'> Replication </td>
<td class='confluenceTd'> Multi-Master (2 masters) ... soon </td>
<td class='confluenceTd'> Multi-Master (up to 4 masters) </td>
<td class='confluenceTd'> Single-Master </td>
<td class='confluenceTd'> Multi-Master (up to 8 masters) </td>
</tr>
<tr>
<td class='confluenceTd'> Referrals </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> yes </td>
</tr>
<tr>
<td class='confluenceTd'> Schema </td>
<td class='confluenceTd'> Compilation </td>
<td class='confluenceTd'> dynamic/gui </td>
<td class='confluenceTd'> dynamic/ldap </td>
<td class='confluenceTd'> dynamic/ldap/gui </td>
</tr>
<tr>
<td class='confluenceTd'> Attribute Encryption </td>
<td class='confluenceTd'> no </td>
<td class='confluenceTd'> yes </td>
<td class='confluenceTd'> no </td>
<td class='confluenceTd'> no </td>
</tr>
<tr>
<td class='confluenceTd'> Monitoring </td>
<td class='confluenceTd'> LDAP </td>
<td class='confluenceTd'> LDAP/SNMP </td>
<td class='confluenceTd'> LDAP </td>
<td class='confluenceTd'> LDAP/SNMP/JMX </td>
</tr>
</tbody></table>
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