For Version 5.1, WebSphere Application Server for iSeries is available in the following editions:
WebSphere Application Server - Express
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.
WebSphere Application Server
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.
WebSphere Application Server Network Deployment
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.
API support
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.
| Product | Servlets (2.3) | JSP (1.2) | JDBC (2.0) | JavaMail (1.2) | JNDI (1.2.1) | Enterprise beans | JMS | J2EE 1.3 compliant |
|---|---|---|---|---|---|---|---|---|
| WebSphere Application Server - Express, Version 5.1 | Yes | Yes | Yes | Yes | Yes | No | No | No |
| WebSphere Application Server, Version 5.1 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Note that because WebSphere Application Server - Express does not support enterprise beans, it does not support enterprise bean application clients.
Administration support
All Version 5.1 products support these administrative interfaces:
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.
Security
WebSphere Application Server - Express supports the same security functions that the other products support, except for functions that are specific to securing enterprise beans.