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  <xs:element id="rubi_SharebasedPaymentArrangementTrancheFourMember" abstract="true" name="SharebasedPaymentArrangementTrancheFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_RestructuringChargesMergerAssumedLossContracts" abstract="false" name="RestructuringChargesMergerAssumedLossContracts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_DebtInstrumentPeriodicPaymentPercentageOfPrincipal" abstract="false" name="DebtInstrumentPeriodicPaymentPercentageOfPrincipal" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rubi_ServeMotionIncMember" abstract="true" name="ServeMotionIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_ConvertibleSeniorNoteMember" abstract="true" name="ConvertibleSeniorNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_PaymentsForCappedCallOptions" abstract="false" name="PaymentsForCappedCallOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseLeaseAsset" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseLeaseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AmortizationOfDebtDiscountPremiumRemainderOfFiscalYear" abstract="false" name="AmortizationOfDebtDiscountPremiumRemainderOfFiscalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_DebtInstrumentAnnualPrincipalPaymentPercentage" abstract="false" name="DebtInstrumentAnnualPrincipalPaymentPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rubi_RestructuringChargesAndMergerRelatedCostsSettledWithoutCash" abstract="false" name="RestructuringChargesAndMergerRelatedCostsSettledWithoutCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_InternalUseSoftwareDevelopmentCostsNet" abstract="false" name="InternalUseSoftwareDevelopmentCostsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_ConnectedTelevisionMember" abstract="true" name="ConnectedTelevisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_MergerAcquisitionAndRestructuringChargesMember" abstract="true" name="MergerAcquisitionAndRestructuringChargesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_DebtInstrumentCappedCallConversionPrice" abstract="false" name="DebtInstrumentCappedCallConversionPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rubi_DebtIssuanceCostsDomain" abstract="true" name="DebtIssuanceCostsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_ConversionTermIvMember" abstract="true" name="ConversionTermIvMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_BusinessCombinationConsiderationTransferredWorkingCapitalAdjustments" abstract="false" name="BusinessCombinationConsiderationTransferredWorkingCapitalAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AmortizationOfDebtIssuanceCostsYearOne" abstract="false" name="AmortizationOfDebtIssuanceCostsYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_LoanAgreementSublimitMember" abstract="true" name="LoanAgreementSublimitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_NonCashLeaseExpense" abstract="false" name="NonCashLeaseExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AmortizationOfDebtDiscountPremiumYearOne" abstract="false" name="AmortizationOfDebtDiscountPremiumYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AmortizationOfDebtDiscountPremiumAfterYearFour" abstract="false" name="AmortizationOfDebtDiscountPremiumAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_LesseeOperatingLeaseLeaseNotYetCommencedCommitmentAmount" abstract="false" name="LesseeOperatingLeaseLeaseNotYetCommencedCommitmentAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceMeasurementPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceMeasurementPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rubi_BusinessCombinationConsiderationTransferredBeforeWorkingCapitalAdjustments" abstract="false" name="BusinessCombinationConsiderationTransferredBeforeWorkingCapitalAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AmortizationOfDebtDiscountsAbstract" abstract="true" name="AmortizationOfDebtDiscountsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedButDeferredNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedButDeferredNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts" abstract="false" name="RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_DesktopMember" abstract="true" name="DesktopMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_AmortizationOfDebtIssuanceCostsAfterYearFour" abstract="false" name="AmortizationOfDebtIssuanceCostsAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_CorporateHeadquartersLosAngelesCAMember" abstract="true" name="CorporateHeadquartersLosAngelesCAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_AmortizationOfDebtIssuanceCostsAbstract" abstract="true" name="AmortizationOfDebtIssuanceCostsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rubi_AmortizationOfDebtIssuanceCostsRemainderOfFiscalYear" abstract="false" name="AmortizationOfDebtIssuanceCostsRemainderOfFiscalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_PaymentsToAcquireBusinessesGrossElectedIncreaseAmount" abstract="false" name="PaymentsToAcquireBusinessesGrossElectedIncreaseAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_SpotXIncMember" abstract="true" name="SpotXIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_LoanAgreementMember" abstract="true" name="LoanAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAndVestedButDeferredWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAndVestedButDeferredWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rubi_IncrementalRevolverMember" abstract="true" name="IncrementalRevolverMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_BasisOfRevenueRecognitionDomain" abstract="true" name="BasisOfRevenueRecognitionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_PerformanceSharesGrantedApril2021Member" abstract="true" name="PerformanceSharesGrantedApril2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_AccountsPayableSeller" abstract="false" name="AccountsPayableSeller" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_PaymentsForRestructuringAndMergerRelatedCosts" abstract="false" name="PaymentsForRestructuringAndMergerRelatedCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesEstimatedTaxRate" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesEstimatedTaxRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rubi_DeferredFinancingCostsMember" abstract="true" name="DeferredFinancingCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_PercentOfRevenueGrossBasis" abstract="false" name="PercentOfRevenueGrossBasis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rubi_DebtInstrumentOverAllotmentOptions" abstract="false" name="DebtInstrumentOverAllotmentOptions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_PaymentsToAcquireBusinessesGrossElectedIncreasePercentage" abstract="false" name="PaymentsToAcquireBusinessesGrossElectedIncreasePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rubi_BusinessAcquisitionEquityInterestIssuedOrIssuableElectedDecreasePercentage" abstract="false" name="BusinessAcquisitionEquityInterestIssuedOrIssuableElectedDecreasePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rubi_A2014EmployeeStockPurchasePlanMember" abstract="true" name="A2014EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_DebtDiscountMember" abstract="true" name="DebtDiscountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedLiabilities" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AmortizationOfDebtIssuanceCostsYearTwo" abstract="false" name="AmortizationOfDebtIssuanceCostsYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AccountsPayableSellerCurrent" abstract="false" name="AccountsPayableSellerCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_RestrictedStockUnitsAndRestrictedStockAwardsMember" abstract="true" name="RestrictedStockUnitsAndRestrictedStockAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_PerformanceSharesGrantedApril2020Member" abstract="true" name="PerformanceSharesGrantedApril2020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_AccountsReceivableCreditLossExpenseReversalGross" abstract="false" name="AccountsReceivableCreditLossExpenseReversalGross" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity" abstract="false" name="LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rubi_AmortizationOfDebtDiscountPremiumYearThree" abstract="false" name="AmortizationOfDebtDiscountPremiumYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_DebtInstrumentConversionTermAxis" abstract="true" name="DebtInstrumentConversionTermAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_DebtInstrumentConversionTermDomain" abstract="true" name="DebtInstrumentConversionTermDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_SpotXAndTelariaMember" abstract="true" name="SpotXAndTelariaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_DataCentersForCloudBasedServicesMember" abstract="true" name="DataCentersForCloudBasedServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_ConcentrationOfBasisOfRevenueRecognitionMember" abstract="true" name="ConcentrationOfBasisOfRevenueRecognitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_SeniorSecuredRevolvingCreditFacilityMember" abstract="true" name="SeniorSecuredRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_ConversionTermIMember" abstract="true" name="ConversionTermIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_AmortizationOfDebtIssuanceCostsYearThree" abstract="false" name="AmortizationOfDebtIssuanceCostsYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_TelariaMember" abstract="true" name="TelariaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_AmortizationOfDebtDiscountPremiumYearTwo" abstract="false" name="AmortizationOfDebtDiscountPremiumYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_StockIssuedDuringPeriodValueMerger" abstract="false" name="StockIssuedDuringPeriodValueMerger" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_MobileMember" abstract="true" name="MobileMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rubi_DebtIssuanceCostsAxis" abstract="true" name="DebtIssuanceCostsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rubi_AmortizationOfDebtIssuanceCostsYearFive" abstract="false" name="AmortizationOfDebtIssuanceCostsYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_AccountsReceivableAllowanceForCreditLossMergerAssumed" abstract="false" name="AccountsReceivableAllowanceForCreditLossMergerAssumed" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAccountsReceivables" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAccountsReceivables" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
