HUAWEITECHNOLOGIESCO.,LTD.Page1HUAWEIConfidential广东电信研究院IMS交流06.April2006HUAWEIRACS解决方案介绍HUAWEITECHNOLOGIESCO.,LTD.广东电信研究院IMS交流HighlightsofHuaweiIPTNRACSSolutionHuaweiVisiononQoSTechnologyEvolutionOverviewofHuaweiIPTNRACSSolutionHUAWEITECHNOLOGIESCO.,LTD.Page3HUAWEIConfidential广东电信研究院IMS交流QoSThoughtsintheIndustryQoSControlSessionFlowANetworkNodeUserNetworkInterfaceLargeBandwidthDiffServSessionBasedQoSQoSRequestNetworkNodeSessionFlowBSessionFlowASessionFlowBQoS技术的演进技术的演进技术的演进技术的演进HUAWEITECHNOLOGIESCO.,LTD.Page4HUAWEIConfidential广东电信研究院IMS交流NGN/IMS总体架构总体架构总体架构总体架构ResourceandAdmissionControlFunctionalityRACSNetworkAttachmentFunctionalityNAASOtherMultimediaComponents…StreamingServices(RTSPbased)ApplicationsCoretransportNetwork3GPPIP-CANAccessTransportNetwork3GPPTerminalsNGNTerminalsCustomerNetworksUserProfilesOtherNetworksLegacyTerminalsGWPSTN/ISDNEmulation(SIP-Ibased)IPMultimediaComponent(CoreIMS)ServiceLayerTransportLayerBasedon3GPPIMSIPConnectivityAccessnetworkAndrelatedfunctionPSTN/ISDNHUAWEITECHNOLOGIESCO.,LTD.Page5HUAWEIConfidential广东电信研究院IMS交流TISPANRACS架构架构架构架构DiTransportLayerRqDiA-RACFIae4ReGq’RaNASSAFSPDFCoreBorderNodeBGFIpEdgeRCEFL2TPointAccessNodeRACSUEDsDiTransportLayerRqDiA-RACFIae4ReGq’RaNASSAFSPDFCoreBorderNodeBGFIpEdgeRCEFL2TPointAccessNodeRACSUEDsAF-ApplicationFunctionNASS-NetworkAccessAttachmentFunctionsL2T-Layer2TerminationCPE-CustomerPremiseEquipment(ie.(routed)modem,residentialgateway,IAD)SPDF-ServicePolicyDecisionFunctionA-RACF–AccessResourceandAdmissionControlFunctionRCEF–ResourceControlEnforcementFunctionBGF-BorderGatewayFunctionHUAWEITECHNOLOGIESCO.,LTD.Page6HUAWEIConfidential广东电信研究院IMS交流基于会话的基于会话的基于会话的基于会话的QoS机制的特点机制的特点机制的特点机制的特点ResourceAdmissioncontrol:–Checkifconsistentwithresourceavailabilityandoperator’sspecificrules.–Resourcecontrolincludingthecoreandaccessnetwork,andsupportdifferentaccessandcoretransporttechnologies(e.g.xDSL,UMTS,CDMA2000,Cable,LAN,WLAN,Ethernet,MPLS,IP,ATM,etc.)SBLPcontrol:–PolicydecisionBaseonserviceinformation,operator’spolicy,subscriberinformation.–QoSpolicyrulesincludingQoSclass,maxUL/DLbandwidth,packetfiltersandsoon.–DatatransportlayerperformtrafficconditionanddataforwardbasedQoSpolicyrules.–Real-timeserviceResourcereservation:–ResourceallocationbasedonQoSauthorization,andcallbackifsessionends.Gatecontrol:–ApproveorremoveQoScommittoalloworprohibitmediaflowstopassinordertopreventfromthetheftofmediaflowsbeforechargingorsomesupplementedserviceseg.CallHoldetc–SupportNAPTcontrolandNATTransferHUAWEITECHNOLOGIESCO.,LTD.Page7HUAWEIConfidential广东电信研究院IMS交流ITU-TRACF架构架构架构架构RACFRACFServiceControlFunctionsCoreNetworksAccessNetworksCPNNetworkAttachmentControlFunctionsOtherNGNsPE-FEPE-FEPE-FERsRsRwRuRwRtRcRiCPEPE-FERwRcTRC-FERpRtRwServiceStratumTransportStratumPD-FEServiceControlFunctionsRdPD-FETRC-FEImplementationarchitecture:bothaccessandcoreRACFHUAWEITECHNOLOGIESCO.,LTD.Page8HUAWEIConfidential广东电信研究院IMS交流小结小结小结小结::::•RACSisthelatestQoStechnologyandafuturemandatorycomponentinNGN/IMScommercialdeployment.•Sessionbasedresourceadmissioncontrolandpolicycontrol.•Decisionbynetworkresourcestatus,topology,operator’srules,etc.•PolicyenforcementtoassureE2EtransportQoS.•TransportnetworkbasedonthetraditionalQoStechnologysuchasMPLS,DiffServ,etc.HUAWEITECHNOLOGIESCO.,LTD.Page9HUAWEIConfidential广东电信研究院IMS交流OverviewofHuaweiIPTNRACSSolutionHuaweiVisiononQoSTechnologyEvolutionHighlightsofHuaweiIPTNRACSSolutionHUAWEITECHNOLOGIESCO.,LTD.Page10HUAWEIConfidential广东电信研究院IMS交流IPCoreNetworkApplication&Application&SessioncontrolSessioncontrolAccess&interAccess&inter--workingworkingRM9000RM9000PDFPDFBearercontrolBearercontrolUMTSRANCDMARANxDSL/LANAccessWiFi/WiMAXAccessHFCAccessPSTNPLMNSE2300SE2300MA5200MA5200ERERMGWMGWSBCSBCPDSNPDSNPCFPCFSGSNSGSNGGSNGGSNOtherpacketnetworkNASSNASSAIM6000AIM6000AA--RACFRACFCC--RACFRACFRM9000BRASBRASGGSN9811GGSN9811PDSN6600PDSN6600HuaweiIPTNRACS解决方案架构解决方案架构解决方案架构解决方案架构HSS9820HSS9820HSS&SPRHSS&SPRCG9812CG9812CGFCGFMMMM--CBSCBSOCSOCSSoftSwitchASCSCFHUAWEITECHNOLOGIESCO.,LTD.Page11HUAWEIConfidential广东电信研究院IMS交流HuaweiRACS解决方案的标准策略解决方案的标准策略解决方案的标准策略解决方案的标准策略HuaweiRACS解决方案的标准策略解决方案的标准策略解决方案的标准策略解决方案的标准策略HuaweihaslongbeenanactiveparticipantofITU-T,TISPAN,IETFand3GPPconcerningthetopicofQoScontroltechnology.In2002,HuaweiproposesIPTNsolutionwhichdeployabearercontrollayertosupportE2EQoScontrol.In2003,theHuaweiIPTNarchitecturewaswritteninITU-TY.1291.(laterthee2eqos.1andRACF).In2002Huaweihasdevelopedprototypesystem,andthetrialsystemofbackbonenetworkswasdevelopedin2005.ThedesignofthefollowingcommercialreleaseofHuaweiIPTNRACSsolutionadoptTISPANRel1and3GPPRelease6asthebasistosupportQoSguaranteeintheaccessnetwork,withadditionalmainrequirementfrom3GPP2alsoconsidered,tocovermostofthepopularaccesstypesforcomprehensiveservicedelivery;HuaweihascontributedmanydocumentsinE2EQoScontrolfieldtoITU-T,TISPANand3GPP.HUAWEITECHNOLOGIESCO.,LTD.Page12HUAWEIConfidential广东电信研究院IMS交流HUAWEIIPTNRACS相关产品相关产品相关产品相