66 WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
deployment managers, and job managers. Because cells, nodes, and clusters are
administrative concepts, they are not executable components.
2.7.1 Distributed platforms
On distributed platforms, WebSphere Application Server is built by using a single process
model where the entire server runs in a single JVM process. Each process is displayed as a
Java process. For example, when you start a deployment manager on Windows, a java.exe
process is visible in the Windows Task Manager. Starting a node agent starts a second
java.exe process, and each application server started is also seen as a java.exe process.
2.7.2 z/OS
WebSphere Application Server for z/OS uses multiple runtime ...