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  <xs:element id="glow_ShareBasedPaymentArrangementExpenseGross" abstract="false" name="ShareBasedPaymentArrangementExpenseGross" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_ForfeitureOfUnvestedStockOptions" abstract="false" name="ForfeitureOfUnvestedStockOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_BolsterMember" abstract="true" name="BolsterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_NumberOfWarrantsOutstandingRollForward" abstract="true" name="NumberOfWarrantsOutstandingRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="glow_LosAngelesCaliforniaMember" abstract="true" name="LosAngelesCaliforniaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueInPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_MorganStanleyMember" abstract="true" name="MorganStanleyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_GainLossOnExtinguishmentOfLeaseLiability" abstract="false" name="GainLossOnExtinguishmentOfLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="glow_WarrantModification" abstract="false" name="WarrantModification" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_ClassOfWarrantOrRightGranted" abstract="false" name="ClassOfWarrantOrRightGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="glow_LeasesNumberOfImpairedRightOfUseProperties" abstract="false" name="LeasesNumberOfImpairedRightOfUseProperties" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="glow_ClassOfWarrantOrRightGrantedWeightedAverageExercisePrice" abstract="false" name="ClassOfWarrantOrRightGrantedWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="glow_EffectiveIncomeTaxRateReconciliationPriorYearForeignTaxExpense" abstract="false" name="EffectiveIncomeTaxRateReconciliationPriorYearForeignTaxExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="glow_NetworkServicesMember" abstract="true" name="NetworkServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_ManagedServicesMember" abstract="true" name="ManagedServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_OperatingLeaseRightOfUseAssetRollForward" abstract="true" name="OperatingLeaseRightOfUseAssetRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="glow_EarningsPerShareNumeratorAbstract" abstract="true" name="EarningsPerShareNumeratorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="glow_AccruedStockDividends" abstract="false" name="AccruedStockDividends" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_StockIssuedDuringPeriodConversionOfConvertibleSecuritiesPrice" abstract="false" name="StockIssuedDuringPeriodConversionOfConvertibleSecuritiesPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="glow_PrepaidSoftwareLicenses" abstract="false" name="PrepaidSoftwareLicenses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_OperatingLeaseLiabilityAdditions" abstract="false" name="OperatingLeaseLiabilityAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_EmployeeRetentionCreditPolicyTextBlock" abstract="false" name="EmployeeRetentionCreditPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="glow_WorkingCapital" abstract="false" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_EffectiveIncomeTaxRateReconciliationOperatingLossCarryforwardsExpiredAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationOperatingLossCarryforwardsExpiredAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_OperatingLeaseLiabilityImpairmentLoss" abstract="false" name="OperatingLeaseLiabilityImpairmentLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_OperatingLeaseLiabilityAmortizationsExpense" abstract="false" name="OperatingLeaseLiabilityAmortizationsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_WeightedAverageExercisePriceAbstract" abstract="true" name="WeightedAverageExercisePriceAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="glow_CustomerNumberFourMember" abstract="true" name="CustomerNumberFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_ScheduleOfOperatingLeaseLiabilityAndRightOfUseAssetsTableTextBlock" abstract="false" name="ScheduleOfOperatingLeaseLiabilityAndRightOfUseAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="glow_ResolveGroupUKMember" abstract="true" name="ResolveGroupUKMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_OperatingLeaseLiabilityTerminationsAndModifications" abstract="false" name="OperatingLeaseLiabilityTerminationsAndModifications" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_SeriesEConvertiblePreferredStockMember" abstract="true" name="SeriesEConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="glow_DeferredTaxAssetsGoodwill" abstract="false" name="DeferredTaxAssetsGoodwill" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="glow_OperatingLeaseRightOfUseAssetAdditions" abstract="false" name="OperatingLeaseRightOfUseAssetAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="glow_ExercisePriceRange3Member" abstract="true" name="ExercisePriceRange3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
