JBoss4.2.0官方集群文档

Clusteringallowsustorunanapplicationsonseveralparallelservers(a.k.aclusternodes).Theloadisdistributedacrossdifferentservers,andevenifanyoftheserversfails,theapplicationisstillaccessibleviaotherclusternodes.Clusteringiscrucialforscalableenterpriseapplications,asyoucanimproveperformance