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Virtual I/O selection strategies
Determining which virtual I/O strategy makes the most sense for your data center will depend largely on your immediate needs
If you’re in the process of refreshing or expanding the network or storage infrastructure, then adding components that understand I/O virtualization deserves serious consideration. Virtual I/O at the switch layer can be looked at as more of an incremental upgrade and a perfect complement to an eventual virtual I/O network interface card implementation.
Virtual I/O gateways, or private I/O fabrics, also deserve serious consideration for companies looking to refresh their existing infrastructures, improve performance and provide greater flexibility. These products can provide “future proofing” against the ever-changing I/O market.
Regardless of the path chosen, virtual I/O should deliver significantly more flexibility and a more dynamic infrastructure that’s able to keep up with the demands of the server infrastructure. All three methods should allow for better return on the I/O investment and provide performance guarantees for mission-critical applications, which should extend the ROI on the server virtualization project.
BIO: George Crump is president of Storage Switzerland, an IT analyst firm focused on storage and virtualization.
This was first published in March 2012