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20109IP,IP、,、,。PTNQoS,QoS,,。PTN;IP;;QoSPTNQoSPTN,PTN,PTN,IP“”(FIFO、)QoS。PTNIPQoS,QoS,IP,,,,。1QoSPTNQoSQoS,。(1)IntservIntserv,,,QoS。,,。(2)DiffServ,Intserv,QoS,,。,QoS。Intserv,DiffServ,,。、、、。(3)HQoSQoS,Diffserv。157PTNQoS。,、,,QoS,QoS(CIR/PIR/WRED)。2HQoSPTNIP,,。,1VoIP(IP)、HSDPA()、CES(TDM)、VOD()、IPTV(IP)。·(),CES(TDM)、VoIPEF(),CIR()、PIR()(CIR=PIR=5M),PQ()WRQ()。·(),VOD()、IPTVAF1~AF4,CIR、PIR(PIRCIR),WFQ,。·,,BE(),,,。CS6/CS7,,,QoS。QoS,CiTRANS600PTNHQoS,“(V-UNI)—(PW)—(Tunnel)—(Port)”4,(、、)、(、、),PIR、CIR,/(802.1p→PHB)、/(PHB→EXP);tunnel/PW,PIR,CIR;/,PIR,1HQoS15820109CIR,,。3QoS1CiTRANS600PTNQoS。、,,,,。(:2010-08-15)1CiTRANS600PTNQoSVoIPCIR2Mbit/s6Mbit/s1Mbit/sPIR2Mbit/s16Mbit/s16Mbit/sCMColor-awareColor-awareColor-awarePHBEFAF3BEWREDWREDWRED80%70%60%100%80%70%WFQWFQWFQ1009070!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!··SIEPON4SIEPON(IEEEP1904.1)201082426。20102、46Piscataway、,8,。P1904.1SIEPONServiceInteroperabilityinEthernetPassiveOpticalNetworks,IEEE802.3av10GEPONGlenKramer(Broadcom),10GEPONDuaneRemein()MarekHajduczenia(),IEEE(CommunicationsSociety),2009129IEEE,。P1904.1GlenKramer,DuaneRemein。SIEPON“EPON”,“EPON10GEPON,,EPON”。“EPON、、QOS;、、”。EPON:EPONMAC,EPON,EPON;,EPON,EPON。(KoreaTelecom、NTT、KDDI、、、),EPON(PMC-Sierra、Broadcom、Cortina),EPON(、、、、、Sumitomo、Fujitsu、Hitachi、NEC)56。TF1VLAN,TF2QoS,TF3,TF4,,SIEPON,,V0.2。SIEPON,SIEPON,20,30。10GEPON,SIEPONEPON。159
本文标题:烽火通信PTN全业务QoS解决方案浅析
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