Single-root input/output virtualization: Difference between revisions

Revision as of 02:04, 20 June 2015

Revision as of 10:20, 26 June 2015

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In [[network virtualization]], a single root [[I/O virtualization|input/output virtualization]] or SR-IOV is a [[network interface]] that allows the isolation of the [[PCI Express]] resources for manageability and performance reasons. A single physical PCI Express can be shared on a [[virtual environment]] using the SR-IOV specification<ref>https://msdn.microsoft.com/en-us/library/windows/hardware/hh440235%28v=vs.85%29.aspx</ref>. The SR-IOV offers different [[virtual function|virtual functions]] to different virtual components (e.g. [[network adapter]]) on a physical server machine.<br/> The SR-IOV allows different [[virtual machines]] (VMs) in a virtual environment to share a single PCI Express hardware interface. In contrast, MR-IOV allows I/O PCI Express resourcesto sharingshare resources among different VMs on different physical machines.

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