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ITU X.139:1997

ITU X.139:1997 Echo, Drop, Generator And Test Dtes For Measurement Of Performance Values In Public Data Networks When Providing International Packet-switched Services Supplies functional specifications for test sets at international packet-switched gateways for evaluating the performance of international portions in accordance with the parameters defined in X.130-S

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Table of Contents

1Introductionandscope
1.1General
1.2Parameterstobemeasured
1.3Accuracyrequirementsofmeasurement
1.4Measurementmethodusingecho,dropandgenerator
DTEs
2References
3Abbreviations
4Measurementprocedure
4.1Callset-updelay
4.2Datapackettransferdelay
4.3Throughput
4.4Clearindicationdelay
5Characteristicsofecho,drop,generatorandtestDTEs
5.1CommonX.25configurationandsubscriptionparameters
oftheDTEs
5.2EchoDTE
5.3DropDTE
5.4GeneratorDTE
5.5TestDTE
6Networklocationforecho,drop,generatorandtestDTEs

Abstract

Supplies functional specifications for test sets at international packet-switched gateways for evaluating the performance of international portions in accordance with the parameters defined in X.130-Series Recommendations on PSPDN performance.

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