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首页 AFTN AIDC over ATN ICS or IPS

AFTN AIDC over ATN ICS or IPS.doc

AFTN AIDC over ATN ICS or IPS

Enos杨
2017-11-13 0人阅读 举报 0 0 暂无简介

简介:本文档为《AFTN AIDC over ATN ICS or IPSdoc》,可适用于活动策划领域

AFTNAIDCoverATNICSorIPSACPWGNWPxxAERONAUTICALCOMMUNICATIONSPANEL(ACP)WORKINGGROUPN–NETWORKINGthMEETING–BRUSSELS,BELGIUM,–JulyAFTNAIDCoverATNICSorIPSPreparedbyAEROTHAISummaryThispaperproposesanalternativetoimplementationoftheATNAIDCApplicationasdefinedinICAODocThealternativeistoadapttheAFTNAIDCapplicationtobeblockorientedsothatitmayrunovertheATNOSIbasedInternetCommunicationsServiceortheInternetProtocolSuiteACPWGNWPxxIntroductionTheATSInterfacilityDataCommunications(AIDC)applicationexchangesinformationbetweenATSUnits(ATSUs)forsupportofcriticalAirTrafficControl(ATC)functionsincluding:,NotificationofflightsapproachingaFlightInformationRegion(FIR)boundary,,Coordinationofboundaryconditionsand,TransferofcontrolandcommunicationsauthorityAIDCVariantsintheAsiaPacificRegionTherearetwovariantsofAIDCdefinedfortheAsiaPacificRegiona)AFTNbasedAIDCProtocolThelatestversionasdocumentedintheAsiaPacificRegionalInterfaceControlDocument(ICD)forATSInterfacilityDataCommunications(AIDC),Version–Septemberb)ATNbasedAIDCProtocolThisvariantisunderdevelopmentbasedonEditionofICAODocItisnotyetsubmittedforapprovalbyBangkokICAORegionalOfficeKeyDifferencesintheAIDCVariantsintheAsiaPacificRegionControlLogicControlLogicistherulesgoverningthesequencingofmessagingThecontrollogicforAFTNAIDCisintheATCApplicationandisdepictedinFigureThecontrollogicforATNAIDCisintheControlFunctionoftheApplicationEntityandisdepictedinFigureACPWGNWPxxFigure–AFTNAIDCControlLogicFigure–ATNAIDCControlLogicACPWGNWPxxMessageFormatandEncodingAFTNAIDCmessagesaredefinedandencodedusingstandardAFTNtextencodingwhileATNAIDCmessageshaveadistinctabstractsyntax(ASN)andPERencodingrulesFiguredepictstheAFTNenvironmentandFiguredepictstheATNAIDCenvironmentAIDCAIDCAppAppTextTextMessagesMessagesAFTNAFTNServiceServiceAFTNAFTNSwitchSwitchAeronauticalFixedTelecommunicationNetworkAFTNSwitch(AFTN)FigureAFTNAIDCArchitectureAIDCAIDCAppAppCFAIDCCFAIDCASEASNASNASEDefinedDefinedMessagesMessagesACSEACSEFBPresFBPresFBSessionFBSessionTPTPCLNPCLNPATNATNRTRRTRAeronauticalTelecommunicationSATNNetworkRTR(ATN)Figure–ATNAIDCArchitectureACPWGNWPxxCurrentprogressinthedevelopmentofAIDCAtthepresent,OPLINKpanelhasamendedrelevantinformationregardingAIDCattheOPLINKPmeetingonSeptemberThenewarchitectureofAIDChasnotbeenincorporatedintheATNAIDCmaterialinthetechnicalmanualProposedArchitecture–AFTNAIDCoverATNICSRatherthanimplementtheATNAIDCUpperLayerArchitecture,anAFTNAIDClikearchitecturecouldbeusedTheconceptisbasicallytorunAFTNAIDCovertheOSIInternetCommunicationsService(overTPCLNP)FiguredepictsthisenvironmentAIDCAIDCAppAppTextTextMessagesMessagesTPTPCLNPCLNPATNATNRTRRTRAeronauticalTelecommunicationSATNNetworkRTR(ATN)FigureAFTNAIDCoverATNICSTheAIDCapplicationinthiscasewouldbeblockorientediefromtheTransportLayerperspectiveitwouldlooklikeanOSIupperlayerapplicationTheadvantageofthisapproachisthatitcouldreadilyoperateinanIPSenvironmentusingRFCThusiftheAsiaPacificregionweretoeventuallymigratetoanIPSordualIPSOSIinfrastructuretheapplicationwouldbeisolatedfromchangeRecommendationTheworkinggroupisinvitedtocommentontheproposedAIDCapproach

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