By pelegri on Feb 11, 2008
InfoQ has a Nice Article on the Shoal Clustering Framework (see TA entries). The article is based on interviews with Shreedhar and Mohamed and covers a fair amount of material including comparisons with Terracotta, JGroups, JBossCache, ehCache and SailFin.
Shoal is making good progress; I had missed that it is also used by JoNAS. Also see a short note at OpenLandscape.