Chapter 2. Concepts of WebSphere Application Server 63
2.6.4 Mixed-node versions in a cluster
A WebSphere Application Server Network Deployment V8.5 cluster can contain nodes and
application servers from WebSphere Application Server V7 and V8. The topology illustrated
in Figure 2-38 contains mixed version nodes within a cluster. You can upgrade any node in
the cell and leave the other nodes at a previous release level. Consider using this feature only
for migration scenarios.
Figure 2-38 Mixed version nodes clustered in a cell
2.6.5 Dynamic cluster
Dynamic clusters are application deployment targets that operate at the application layer
virtualization. ...
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