NonStop Systems Introduction
The Application Server Environment
NonStop Systems Introduction— 527825-001
3-22
WebLogic Server and the J2EE Platform
interface an object presents to clients. IDL is completely independent of the language 
used to implement the objects and clients. An IDL compiler translates the IDL source 
statement to the appropriate language.
NonStop CORBA is the HP implementation of the Object Management Group (OMG) 
CORBA specification. NonStop CORBA offers the advantages of distributed object 
computing combined with the fundamental availability, scalability, data integrity, and 
manageability of the HP NonStop platform and the TS/MP and TMF middleware.
WebLogic Server and the J2EE Platform
BEA WebLogic Server on HP NonStop servers is an application server that provides a 
framework for building and managing applications. As you have seen in Sections 1 and 
2, a zero latency enterprise depends on comprehensive and efficient data and 
application integration. Zero latency operations require a unifying architecture for 
integrating, synchronizing, routing, caching, and performing database transactions in 
real time. WebLogic Server provides an easy and efficient way to bring together new 
and existing applications that provide all the services required by a zero latency 
enterprise. 
WebLogic Server has features that provide for fault tolerance, load balancing, and 
simplified application management while taking advantage of the reliability and 
performance of the NonStop server. WebLogic Server, as implemented on the NonStop 
server, also provides all the benefits of a fault tolerant transaction manager (TMF) and 
the massively scalable relational database system (SQL/MX).
WebLogic Server is built on the Sun Microsystems Java 2, Enterprise Edition (J2EE) 
application server platform, which enables developers to take full advantage of Java 
technology. This combination of WebLogic Server and J2EE forms the application 
server environment that is the most widely used in today’s HP ZLE systems.
WebLogic Server simplifies the development, deployment, integration, and 
management of applications by surrounding the latest J2EE and Web services 
standards with easy-to-use development and administration tools and powerful 
clustering, security, integration, and management features. The built-in services of 
WebLogic Server relieve developers of the need to create these services on their own. 
Figure 3-15 on page 3-23 illustrates WebLogic Server and its role as an application 
server environment within the ZLE framework. As the figure shows, WebLogic Server 
provides an environment for applications and the essential services to support the 
applications, including load balancing, fault tolerance, transaction management, and 
messaging.










