SOFTWARE:
-------------------------

Hadoop:
  pure java
  supported by the yahoo grid team
  
JBoss:
  pure java
  
MPI:
  multiple language bindings
  flexible
  only a small part of a real cluster
  
ActiveMQ:
  http://activemq.apache.org/

Terracotta DSO:
  java
  acts like network attached memory
  shares critical parts of the JVM heap across servers
  
  
NETWORK SETUP:
---------------------------

Flat Neighbourhood Network:
  http://aggregate.org/FNN/