nate wrote: > http://www.theregister.co.uk/2009/11/04/scalemp_vsmp_smb_cloud/ > Is the only product I've heard of that claims to do what your > aiming for. > um, that just does away with the expensive infiniband switch in favor of an infiniband 'loop' architecture (eg, each host still uses an infiniband adapter), and virtualizes the switch. this is simply a cost reducing measure in building conventional HP clustering where infiniband is often used for interprocess message passing because of its high performance and low latency. you still need to program for a message passing environment and break your workload down into small chunks that can run independently