DCC-white-paper-Rev2.pdf

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1、DCCSolutionforSONET/SDHSystemsWhitePaperVersion1.0,October2003DCCSolutionsforSONET/SDHSystemsVersion1.0October2003Page1of1OpenconSystems,Inc.ProprietaryInformation.UnauthorizedDistributionisProhibited.DCCSolutionforSONET/SDHSystemsWhitePaperVersion1.0,October2003COPYRIGHTThismaterialistheproperty

2、ofOpenConSystems,Inc.UnauthorizeddistributionisprohibitedCopyrightã2003OpenConSystems,Inc.AllRightsReservedPage2of2OpenconSystems,Inc.ProprietaryInformation.UnauthorizedDistributionisProhibited.DCCSolutionforSONET/SDHSystemsWhitePaperVersion1.0,October2003TableofContents1.OVERVIEW42.SONET/SDHDATA

3、COMMUNICATIONCHANNEL63.SONET/SDHDCCPROTOCOLSTACKS74.DCCSUBSYSTEMREQUIREMENTS125.DCCNETWORKCONFIGURATIONS145.1End-to-EndOSI-7LayerCommunication144.1.TCP-IPtoOSI-7Mediation155.2IPTunneling176.OCSDCCPACKAGE197.REFERENCES208.ABBREVIATIONS21Page3of3OpenconSystems,Inc.ProprietaryInformation.Unauthorize

4、dDistributionisProhibited.DCCSolutionforSONET/SDHSystemsWhitePaperVersion1.0,October20031.OverviewEachSONET/SDHframeincludestwoDataCommunicationChannels(DCC)calledSectionDCCandLineDCCfortransportingmanagementmessagesbetweenNEsandbetweenNEsandManagementsystems.Thesein-banddatacommunicationchannels

5、enableserviceproviders’OperationSupportSystems(OSS)tomanageSONET/SDHNetworkElements(NE)withouttheneedforanexpensiveout-of-banddatacommunicationnetwork.SONET/SDHisthemostwidelyusedtransporttechnologyincarrier’snetworktodayanddeploymentofSONET/SDHbasednetworkequipmentcontinuestogrowascarriersextend

6、thereachoffiberfromcentralofficestobusinesslocations.AsthesizeofSONET/SDHnetworksgrowandascarriersstartdeployingsystemsfromdifferentvendors,managingthesenetworkshavebecomeincreasinglydifficultandcomplicated.Toreducethecostandcomplexityofmanagingthesenetworks,carriersrelyonembeddedDataCommunicatio

7、nChannels(DCC)withinaSONET/SDHframeandexpectvendorstoprovideequipmentsthatareinteroperablewiththeSONETequipmentsthatarealreadydeployedintheirnetworks.Toensureinteroperabilitywiththeequipmentdeployedinthenetwork,SONET/S