With Application Server, you must choose the applicable functionality according to the purpose of the system to be built and operated.

This subsection describes the types of systems in which the functionality for executing the Web applications can be used. The functionality-wise support for the following items are described here:

• Reliability
  This functionality is best used with a system from which high reliability is recommended.
  This functionality includes the functionality for enhancing the system availability (stable operations) and fault tolerance, and the functionality for enhancing the security such as user authentication.
  
• Performance
  This functionality is best used with a system that adds value to performance.
  This functionality is used operations such as for performance tuning of the system.
  
• Operation and maintenance
  This functionality is best used when efficient operation and maintenance is to be performed.
  
• Extendibility
  This functionality is best used when a system is to be flexibly expanded or reduced, and when changes are to be made to the system configuration.
  
• Others
  This functionality is used to comply with other individual purposes.
  

The functionality for executing Web applications includes the Java EE standard functionality and is the functionality independently extended on Application Server. When you choose the functionality, also confirm the compliance with Java EE standards, as and when required.

Organization of this section

1.2.1 Web Container Functionality

1.2.2 JSF and JSTL functionality

1.2.3 Web server integration functionality

1.2.4 In-process HTTP server functionality