Advanced Virtualization I/O Queuing Technology: An Intel-Microsoft Perspective

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1 

Intel

VirtualizationTechnologyrequiresacomputersystemwithanenabledIntel

processor,BIOS,virtualmachinemonitor(VMM)and,forsomeuses,certainplatform

softwareenabledforit.Functionality,performanceorotherbenetswillvarydependingonhardwareandsoftwarecongurationsandmayrequireaBIOSupdate.Soft-

wareapplicationsmaynotbecompatiblewithalloperatingsystems.Pleasecheckwithyourapplicationvendor.

2

ThisisthroughputmeasuredbyTCP.At4VMs,thiseffectivelyrepresentslineratewhenIPandEthernetoverheadisincluded.

3

Microsoftinternalmeasurement.(April2009)ntttcpbenchmark.WindowsServer2008R2Beta.Intel

Xeon

processorE5460,3.16GHz,8MBL2cache,1333MHz

systembus,24GBmemory.

 Performancetestsandratingsaremeasuredusingspeciccomputersystemsand/orcomponentsandreecttheapproximateperformanceofIntelproductsasmeasu-

redbythosetests.Anydifferenceinsystemhardwareorsoftwaredesignorcongurationmayaffectactualperformance.Buyersshouldconsultothersourcesofinfor-

mationtoevaluatetheperformanceofsystemsorcomponentstheyareconsideringpurchasing.Formoreinformationonperformancetestsandontheperformanceof

Intelproducts,visitIntelPerformanceBenchmarkLimitations.

 TheinformationcontainedinthisdocumentrepresentsthecurrentviewofMicrosoftCorporationontheissuesdiscussedasofthedateofpublication.BecauseMicro-

softmustrespondtochangingmarketconditions,itshouldnotbeinterpretedtobeacommitmentonthepartofMicrosoft,andMicrosoftcannotguaranteetheaccuracy

ofanyinformationpresentedafterthedateofpublication.

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INTHISDOCUMENT.

 Complyingwithallapplicablecopyrightlawsistheresponsibilityoftheuser.Withoutlimitingtherightsundercopyright,nopartofthisdocumentmaybereproduced,

storedinorintroducedintoaretrievalsystem,ortransmittedinanyformorbyanymeans(electronic,mechanical,photocopying,recording,orotherwise),orforany

purpose,withouttheexpresswrittenpermissionofMicrosoftCorporation.

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expresslyprovidedinanywrittenlicenseagreementfromMicrosoft,thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents,trademarks,

copyrights,orotherintellectualproperty.

 INFORMATIONINTHISDOCUMENTISPROVIDEDINCONNECTIONWITHINTEL®PRODUCTS.NOLICENSE,EXPRESSORIMPLIED,BYESTOPPEL

OROTHERWISE,TOANYINTELLECTUALPROPERTYRIGHTSISGRANTEDBYTHISDOCUMENT.EXCEPTASPROVIDEDININTEL’STERMSAND

CONDITIONSOFSALEFORSUCHPRODUCTS,INTELASSUMESNOLIABILITYWHATSOEVER,ANDINTELDISCLAIMSANYEXPRESSORIMPLIED

WARRANTY,RELATINGTOSALEAND/ORUSEOFINTELPRODUCTSINCLUDINGLIABILITYORWARRANTIESRELATINGTOFITNESSFORAPARTI-

CULARPURPOSE,MERCHANTABILITY,ORINFRINGEMENTOFANYPATENT,COPYRIGHTOROTHERINTELLECTUALPROPERTYRIGHT.UNLESS

OTHERWISEAGREEDINWRITINGBYINTEL,THEINTELPRODUCTSARENOTDESIGNEDNORINTENDEDFORANYAPPLICATIONINWHICHTHE

FAILUREOFTHEINTELPRODUCTCOULDCREATEASITUATIONWHEREPERSONALINJURYORDEATHMAYOCCUR.

 Intelmaymakechangestospecicationsandproductdescriptionsatanytime,withoutnotice.Designersmustnotrelyontheabsenceorcharacteristicsofanyfeatures

orinstructionsmarked“reserved”or“undened.”Intelreservestheseforfuturedenitionandshallhavenoresponsibilitywhatsoeverforconictsorincompatibilities

arisingfromfuturechangestothem.Theinformationhereissubjecttochangewithoutnotice.Donotnalizeadesignwiththisinformation.

 Theproductsdescribedinthisdocumentmaycontaindesigndefectsorerrorsknownaserratawhichmaycausetheproducttodeviatefrompublishedspecications.

Currentcharacterizederrataareavailableonrequest.ContactyourlocalIntelsalesofceoryourdistributortoobtainthelatestspecicationsandbeforeplacingyour

productorder.Copiesofdocumentswhichhaveanordernumberandarereferencedinthisdocument,orotherIntelliterature,maybeobtainedbycalling

1-800-548-4725,orbyvisitingIntel’sWebSitewww.intel.com.

areeitherregisteredtrademarksortrademarksofMicrosoftCorporationintheUnitedStatesand/or

othercountries.

*Othernamesandbrandsmaybeclaimedasthepropertyofothers.

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