Servers connected to an I/O cloud have full connectivity bandwidth to the corporate network and storage infrastructures.
The Switch also eliminates the need for multiple layers of aggregation switches, I/O adapters, disk drives and cables, which can be complicated to manage and expensive.
In February, VirtenSys introduced pre-production units of its IOV switch, which uses the PCI Express bus. The Beaverton, OR-based company claims to be the first to market with an I/O virtualization product using PCI Express, which is in the majority of servers today.
VirtenSys claims the storage virtualization switch reduces data center operational expenses, improve I/O utilization to greater than 80%, improves throughput, reduces storage hardware cost and reduces I/O power consumption by more than 60%.
Other companies offer ways to virtualize storage as well. Xsigo System's virtualizes I/O, EMC's Invista network storage virtualization software runs on SAN switches and directors, like EMC's Connectrix series of switches and DataCore Software offers storage virtualization software, and there is also Storage Foundation for Windows from Symantec, which provides host-based storage virtualization.
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