BellaDati is not depending on selected cluster environment, you can run it on GlassFish, Websphere or JBoss, but there are several parameters contained in application.properties (see BellaDati WAR Configuration) which needs to be change in order to run BellaDati in cluster):
Example for 2 servers cluster
tapestry.clustered-sessions=true application.servers=192.168.1.10:2335,192.168.1.11:2335
Example above defines parameters for 2 servers in cluster, running on 192.168.1.10 and 192.168.1.11.
Cluster overview page
Administrators have access to cluster overview pages, which shows useful information about the servers in the cluster.