ibm-information-center/dist/eclipse/plugins/i5OS.ic.rzatz_5.4.0.1/51/intro/versions.htm

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<h2><a name="versions"></a>WebSphere Application Server - Express and other WebSphere Application Server products</h2>
<p>For Version 5.1, WebSphere Application Server for iSeries is available in the following editions:</p>
<ul>
<li><p><strong>WebSphere Application Server - Express</strong>
<br>WebSphere Application Server - Express is a simplified Web application server, with a subset of the base WebSphere Application Server functions. It is packaged with a development environment, wizards, and samples that help you create, deploy, and run a simple dynamic Web site.</p></li>
<li><p><strong>WebSphere Application Server</strong>
<br>The base application server product, WebSphere Application Server, provides full support of the J2EE 1.3 specification, the server-side Java runtime environment, and administrative tools for managing the environment.</p></li>
<li><p><strong>WebSphere Application Server Network Deployment</strong>
<br>The Network Deployment product provides all the functions of the base product and some additional functions, including support for highly available multiple-system configurations, centralized administration of multiple nodes, and advanced Web services components.</p></li>
</ul>
<p><strong>API support</strong></p>
<p>This table summarizes the major differences in API support between WebSphere Application Server - Express and the base product. Note that not all differences are represented.</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<th>Product</th>
<th>Servlets (2.3)</th>
<th>JSP (1.2)</th>
<th>JDBC (2.0)</th>
<th>JavaMail (1.2)</th>
<th>JNDI (1.2.1)</th>
<th>Enterprise beans</th>
<th>JMS</th>
<th>J2EE 1.3 compliant</th>
</tr>
<tr align="center">
<td>WebSphere Application Server - Express, Version 5.1</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>No</td>
<td>No</td>
<td>No</td>
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<td>WebSphere Application Server, Version 5.1</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
</tr>
</table>
<p>Note that because WebSphere Application Server - Express does not support enterprise beans, it does not support enterprise bean application clients.</p>
<p><strong>Administration support</strong></p>
<p>All Version 5.1 products support these administrative interfaces:</p>
<ul>
<li>WebSphere administrative console (browser-based)</li>
<li>Qshell scripts</li>
<li>wsadmin (command-line or scripting based)</li>
<li>Java Management Extensions (JMX) (technology preview)</li>
<li>ws_ant (technology preview)</li>
</ul>
<p>In addition to these administrative tools, WebSphere Application Server - Express provides wizards and administrative utilities that are integrated into the browser-based IBM HTTP Server Administration interface. With this interface, you can create and manage your WebSphere Application Server - Express instances, as well as your IBM HTTP Server instances.</p>
<p><strong>Security</strong></p>
<p>WebSphere Application Server - Express supports the same security functions that the other products support, except for functions that are specific to securing enterprise beans.</p>
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