Centralized administration
The Network Deployment package allows multiple servers and nodes to be administered from a central location. This centralized administration uses a central deployment manager that handles the administration process and distributes the updated configuration to the node agent for each node. The node agent, in turn, maintains the configuration for the servers in the node.All operating system processes that are components of the WebSphere product are called managed servers or managed processes. JMX support is embedded in all managed processes.
These processes are available to receive administration commands and to output administration information about the state of the managed resources within the processes. WebSphere provides the following managed servers and processes:
Deployment manager provides a single point to access configuration information and control for a cell. The deployment manager aggregates and communicates with the node agent processes on each node in the system.
Node agent aggregates and controls the WebSphere managed processes on its node. There is
one node agent per node.
Application server is a managed server that hosts J2EE applications.
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