Level 5 Networks, a start-up based in Sunnyvale, California with R&D in Cambridge, U.K., unveiled its EtherFabric, a high-performance I/O architecture aimed at improving server CPU efficiency while remaining completely Ethernet-compatible. Level 5's accelerated interface technology is positioned as an alternative to iWarp and InfiniBand, which the company describes as too disruptive for enterprises because incompatibilities with the existing network require that applications be rewritten for high-performance clusters. Level 5's EtherFabric...