ITU X.148:2003

ITU X.148:2003 Procedures For The Measurement Of The Performance Of Public Data Networks Providing The International Frame Relay Service Defines procedures for the measurement and assessment of the user information transfer performance parameters of Frame Relay virtual connections.

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Table of Contents

1Scope
1.1General
1.2Parameterstobemeasured
1.3Accuracyrequirementsofmeasurements
2References
3Definitions
4Abbreviations
5MeasurementMethodologies
5.1Useoftesttraffictoestimateperformanceparameters
5.2UseofOAMFramestoestimateperformance
6UseofFRF.19OAMFramestomeasuretheFrameRelay
performanceparameters
6.1Measurementduration,frequencyandsamplingrates
6.2OAMframeformat
6.3NetworkinitialisationandawarenessofOAM
capabilitieswithinanetwork
6.4Measurementofframelossinbothdirections
7Procedurestoestimateframetransferdelay
7.1Measurementproceduredescription
7.2Delaymeasurementinitiation
7.3Transferdelayinformationframeturnaround
7.4Calculationofframetransferdelay
7.5Deliveryofdelayresults
7.6Errorhandling
8Proceduresfortheestimationofframedelayjitter
9Proceduresforestimationofframelossratio/frame
deliveredratio
9.1Proceduresforframedeliveryratiomeasurement
9.2Framedeliveryratioinitiation
9.3Framedeliveryratiomeasurement
9.4Deliveryofframedeliveryratioresults
9.5FDRerrorhandling
10Proceduresfordatadeliveryratiomeasurement
10.1Datadeliveryratioinitiation
10.2Datadeliveryratiomeasurement
10.3Deliveryofdatadeliveryratioresults
10.4DDRerrorhandling
11Framerelayserviceavailabilityestimationprocedures
AnnexA-Measurementarchitecturesapplicabletotheuseof
testtrafficfortheestimationofperformance
A.1Generalconsiderationsandmeasurementmethodologies
A.2Framerelayperformanceparametersandmeasurement
architectures
A.3Loopbacks
AnnexB-OAMmessageformats
B.1BasicFR-OAMframestructure
B.2Frametransferdelayinformationfield
B.3Frametransferdelayresultsinformationfield
B.4Framedeliveryratiosyncinformationfield
B.5Framedeliveryratioresultsinformationfield
AppendixI-OAMmessageflows
I.1UseofHellomessagesfornetworkdiscovery
I.2FTDmeasurement
I.3FDR/DDRmeasurement
AppendixII-Exampleofframedeliveryratio(loss)
calculations
II.1Ingressprocessing
II.2Egressprocessing

Abstract

Defines procedures for the measurement and assessment of the user information transfer performance parameters of Frame Relay virtual connections.

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