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single root input output virtualization wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 details 2 infiniband 3 see also 4 references toggle the table of contents single root input output virtualization 3 languages 한국어 русский українська edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia redirected from sr iov specification for isolation of pci express resources this article has multiple issues please help improve it or discuss these issues on the talk page learn how and when to remove these messages this article needs more citations please help improve this article by adding citations to reliable sources unsourced material may be challenged and removed find sources single root input output virtualization news newspapers books scholar jstor june 2015 learn how and when to remove this message this article may be too technical for most readers to understand please help improve it to make it understandable to non experts without removing the technical details june 2015 learn how and when to remove this message learn how and when to remove this message in virtualization single root input output virtualization sr iov is a specification that allows the isolation of pci express resources for manageability and performance reasons details edit a single physical pci express bus can be shared in a virtual environment using the sr iov specification 1 2 the sr iov offers different virtual functions to different virtual components e g network adapter on a physical server machine sr iov uses physical and virtual functions to control or configure pcie devices physical functions have the ability to move data in and out of the device while virtual functions are lightweight pcie functions that support data flowing but also have a restricted set of configuration resources the virtual or physical functions available to the hypervisor or guest operating system depend on the pcie device 3 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 to share resources among different vms on different physical machines infiniband edit a major field of application for sr iov is within high performance computing hpc the use of high performance infiniband networking cards is growing within the hpc sector and there is early research into the use of sr iov to allow for the use of infiniband within virtual machines such as xen 4 see also edit i o virtualization references edit single root i o virtualization sr iov msdn nathan willis 18 february 2016 netconf discussions part 2 lwn net single root i o virtualization sr iov vmware efficient high performance computing with infiniband hardware virtualization pdf archived from the original pdf on 2016 08 10 retrieved from https en wikipedia org w index php title single root_input output_virtualization oldid 1265644962 categories hardware virtualization computer networking peripheral component interconnect hidden categories articles with short description short description matches wikidata articles needing additional references from june 2015 all articles needing additional references wikipedia articles that are too technical from june 2015 all articles that are too technical articles with multiple maintenance issues this page was last edited on 27 december 2024 at 23 36 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents single root input output virtualization 3 languages add topic
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