IBM WebSphere® Application Server is the implementation by IBM® of the Java Platform, Enterprise Edition (Java EE) platform. It conforms to the Java EE 6 specifications as one of its supporting programming models. WebSphere Application Server is available in unique packages that are designed to meet a wide range of customer requirements. At the heart of each package is a WebSphere Application Server that provides the runtime environment for enterprise applications.
This IBM Redpaper™ publication discusses the runtime server component of WebSphere Application Server
Download the Redbook here.
Draft Redpaper, last updated: Wed, 9 May 2012