10GE Switches as viable consideration for HPC Interconnect

Take a look at this whitepapers on the tremendous inroad Ethernet has made to contest IB for the HPCC market

1. 10 GE Fabric Delivers Consistent High Performance for Computing Clusters at Sandia National Labs (Results from Sandia CBench benchmark tests demonstrate higher throughput using compared to statically routed InfiniBand)
2. Are we there yet? 10Gb Ethernet for HPC
3. Experiences with NFS over IB and iWARP RDMA