WebSphere Architecture Terms
The definition of a server, node, and cell are the same in WAS-ND as in WAS, but before discussing the additional terms that apply to WAS-ND, let's briefly review the definitions for these three constructs.
Server
As noted before, an application server is a Java Virtual Machine that hosts user-written J2EE applications.
Node
A node is generally a single physical computer system on which an application server resides. A node is usually a single machine, but some hardware can use partitions or regions that mimic multiple machines. WAS allows for more than one application server to be configured on a given node, but in WAS base, each of these servers is “standalone” and is managed independently, while in WAS-ND, multiple ...
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