Xsigo's I/O virtualization approach: Software virtualization via I/O Director

Xsigo Systems Inc.'s approach to I/O virtualization is similar to Microsoft Corp.'s and VMware Inc.'s server virtualization methods. The Xsigo VP780 I/O Director consolidates multiprotocol I/O server traffic via high-speed InfiniBand links. This software I/O virtualization approach – one of two basic methodologies -- heavily favors server virtualization environments. Jon Toor, Xsigo's vice president of marketing, said that approximately 90% of the company's 60 or so production deployments are virtualized server environments, mostly VMware shops.

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