- destination wildcards
- JMS selectors
- content based routing
To partition one logical cluster into many different parallel partitions. Different members in the cluster can see a different slice of the cluster based on what they want to see/do.
e.g. some nodes in the cluster may not respond to application level messages - they may wish to just view the cluster to monitor the full cluster behaviour. Other nodes may wish to be participants but only see their immediate buddy-group.