Sun Microsystems Portal Server 6 - Manual (Page 155)

Portal Server on an Application Server Cluster
Appendix C Portal Server and Application Servers 155
2. Deploy the three web applications (portal, amserver, and amconsole) to the
cluster.
The following sections explain what it means to enable Portal Server to run on an
application server cluster.
Overview of Application Server Enterprise
Edition
The Sun Java System Application Server Enterprise Edition 8 provides a robust
J2EE platform for the development, deployment, and management of enterprise
applications. Key features include transaction management, performance,
scalability, security, and integration. The Application Server supports services
from Web publishing to enterprise-scale transaction processing.
The Application Server is available in the Platform and Enterprise editions. The
Platform edition is free and is intended for software development and
department-level production environments. Designed for mission-critical services
and large-scale production environments, the Enterprise edition supports
horizontal scalability and service continuity via a load balancer plug-in and cluster
management. The Enterprise edition also supports session continuity via the
Highly Available Database (HADB). See the following Application Server
Enterprise Edition documentation for more information:
http://docs.sun.com/db/coll/ApplicationServer8_ee_04q4
Overview of BEA WebLogic Server Clusters
The BEA WebLogic Server™ product uses the following definitions:
• Domain . An interrelated set of WebLogic Server resources managed as a unit.
A domain includes one or more WebLogic Servers, and might include
WebLogic Server clusters.
• Administration Server . A WebLogic Server running the Administration
Service. The Administration Service provides the central point of control for
configuring and monitoring the entire domain. The Administration Server
must be running to perform any management operation on that domain.
• Managed Server . In a domain with multiple WebLogic Servers, only one
server is the Administration Server; the other servers are called Managed
Servers. Each WebLogic Managed Server obtains its configuration at startup
from the Administration Server.