Research on performance of ethernet interface in network centric warfare-中国期刊网

摘要 Theconceptofnetworkcentricwarfare(NCW)anditscharacter,highrequirementofreal-timesynchronizationareintroduced.Thedistributedequal-nodenetworkarchitectureinNCWispresented.Basedontheoreticalanalysisonethemetinterfaceperformance,thispaperpresentsthatforwardinglatencybetweenethemetinterfacedevicesisakeyinfluencefactorofreal-timesynchronizationinNCW.Ethemetfundamentalisbrieflyintroduced.Themodelbetweenaswitchundertest(SUT)andasmartbitscardispresentedandusedfortwointerconnectingswitchesinNCW.Onconditionthatignoringthelatencyofconnectingfiberortwistedpairsandprocessinglatencyofthesmartbitstestsystem,thispaperpresentsthatdockfrequencytolerance(CFT)betweenaSUTandasmartbitscardisaleadinginfluencefactorofforwardinglatencyofanethemetswitch.TheformulaetocalculateinternalforwardinglatencyandforwardinglatencycausedbyitsCFTarededuced.TheoreticalcalculationonforwardinglatencyofanethemetswitchbasedonthegivenCFTandtesttimeisimplemented.ExperimentalstudyonprimaryforwardinglatencyandsecondaryforwardinglatencyisimplementedandforwardinglatencybetweentheSUTandthesmartbitscardismeasured,thustestifyingtheaccuracyoftheabovetheoreticalanalysisthattheCFTisakeyinfluencefactorofforwardinglatency.ThemeasurestosatisfytheneedsofforwardinglatencyinNCWarepresented.

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Research on performance of ethernet interface in network centric warfare

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Research on performance of ethernet interface in network centric warfare

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