城域网网络优化方案V3

2020年6月6日星期六城域网网络优化HUAWEITECHNOLOGIESCO.,LTD.HuaweiConfidentialPage2Slidetitle:32-35ptColor:R153G0B0CorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialSlidetext:20-22ptBulletslevel2-5:18ptColor:BlackCorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialToprightcornerforfield-mark,customerorpartnerlogotypes.----------------Thefollowingninegroupsofcolorsareanexampleofhowourdesigncolorscanbeused,pleasetakenotethatyoushouldonlyuseonedesigncolorgroupperslide.Forspecificusagedetails,refertothe“TypesettingStandard”.提纲宽带发展趋势与城域网架构优化BRAS/SR演进12城域网汇聚交换机3HUAWEITECHNOLOGIESCO.,LTD.HuaweiConfidentialPage3Slidetitle:32-35ptColor:R153G0B0CorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialSlidetext:20-22ptBulletslevel2-5:18ptColor:BlackCorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialToprightcornerforfield-mark,customerorpartnerlogotypes.----------------Thefollowingninegroupsofcolorsareanexampleofhowourdesigncolorscanbeused,pleasetakenotethatyoushouldonlyuseonedesigncolorgroupperslide.Forspecificusagedetails,refertothe“TypesettingStandard”.高清性、突发性、随机性……流量大：语音的128倍数据办公的68倍突发大：突发流量是平均流量的3～5倍丢包敏感：要求丢包率10-6语音10-2质量可控数据业务丢包重传，不敏感带宽提升却无法获得优质IPTV视频体验怎么又这样了？图像马赛克语音听不清数据视频VOIP汇总突发的视频流量模型突发流量引起的网络质量下降HUAWEITECHNOLOGIESCO.,LTD.HuaweiConfidentialPage4Slidetitle:32-35ptColor:R153G0B0CorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialSlidetext:20-22ptBulletslevel2-5:18ptColor:BlackCorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialToprightcornerforfield-mark,customerorpartnerlogotypes.----------------Thefollowingninegroupsofcolorsareanexampleofhowourdesigncolorscanbeused,pleasetakenotethatyoushouldonlyuseonedesigncolorgroupperslide.Forspecificusagedetails,refertothe“TypesettingStandard”.Page4HUAWEITECHNOLOGIESCO.,LTD.T(s)—实时码率:—平均码率3840*216012/2430/60/120×〓×20014-112Mbps÷1920*10801230×〓×1007Mbps÷X1-2X1-4X2X2-162K4K分辨率每像素bit位帧率压缩比平均码率X430–40Mbps50–100Mbps15–20MbpsHEVCmainprofileHEVCmain10HEVCRangeExtension分辨率帧率量化精度bits压缩算法平均比特率准4K真4K极致4K25/30P50/60P100/120P810123840x21603840x21603840x21604K各阶段平均码率4K视频带宽：平均比特率为30-40MbpsHUAWEITECHNOLOGIESCO.,LTD.HuaweiConfidentialPage5Slidetitle:32-35ptColor:R153G0B0CorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialSlidetext:20-22ptBulletslevel2-5:18ptColor:BlackCorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialToprightcornerforfield-mark,customerorpartnerlogotypes.----------------Thefollowingninegroupsofcolorsareanexampleofhowourdesigncolorscanbeused,pleasetakenotethatyoushouldonlyuseonedesigncolorgroupperslide.Forspecificusagedetails,refertothe“TypesettingStandard”.城域网网络扁平化HUAWEITECHNOLOGIESCO.,LTD.HuaweiConfidentialPage6Slidetitle:32-35ptColor:R153G0B0CorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialSlidetext:20-22ptBulletslevel2-5:18ptColor:BlackCorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialToprightcornerforfield-mark,customerorpartnerlogotypes.----------------Thefollowingninegroupsofcolorsareanexampleofhowourdesigncolorscanbeused,pleasetakenotethatyoushouldonlyuseonedesigncolorgroupperslide.Forspecificusagedetails,refertothe“TypesettingStandard”.超宽带融合网络架构InternetNGNIMSSW1SW2SRBRASMDUOLTFTTHCloudDCCDNCDN•PSTN向NGN/IMS迁移，实现语音IP化•业务云化•100G路由器演进到400G路由器•10G/40G波分演进到100/400G波分•建设OLT全光网络，语音IP化•FTTH/B光改，提供50-100M接入•城域波分、路由器演进到100G•汇聚交换机全面提速，100G上行，N*10G下行；•建设城域边缘CDN，提升OTT体验•智能网关提前布局、抢占家庭入口•智能网关扩展智慧家庭应用智能网关100G城域网400G骨干MDUOLTFTTH智能网关光改目标网络架构：超宽网络、接入光纤化HUAWEITECHNOLOGIESCO.,LTD.HuaweiConfidentialPage7Slidetitle:32-35ptColor:R153G0B0CorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialSlidetext:20-22ptBulletslevel2-5:18ptColor:BlackCorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialToprightcornerforfield-mark,customerorpartnerlogotypes.----------------Thefollowingninegroupsofcolorsareanexampleofhowourdesigncolorscanbeused,pleasetakenotethatyoushouldonlyuseonedesigncolorgroupperslide.Forspecificusagedetails,refertothe“TypesettingStandard”.面向4K的城域网端到端改造方案InternetHomeFTTB+五类线/铜线模式HomeOLTN*GEN*10GEPON/10GPONMXUFTTH+光纤ONTLAN/DSL猫铜线向Vectoring/G.Fast改造：•利旧现有铜线资源，尽可能缩短铜缆距离•Vectoring@500米/300米，实现50M~100M•G.Fast@120米实现1G•可以结合10GPON实现多用户高带宽接入五类线向1G承载能力改造：•利旧现有五类线•采用10GPON+LAN方式改造•MXU接口提升至GE下行；汇聚交换机：取消，减少网络层级OLT上行接口改造：多GE式捆绑上行，增加上行板卡，提高到10GE捆绑10GPON改造：•现有OLT平台，在下行端口能力不足，不调整分光比的情况下，通过10GPON可以快速提升带宽整体收敛比：根据业务发展情况，可按照10%(启动期)、20%（发展期）、50%（成熟期）规划；对应IP城域网收敛比为1:10、1:5、1:2；CR：平台升级至400G，容量提升；4K初期上下行收敛比配置为1:2；BRAS：平台升级至100G，容量提升；初期上下行收敛比配置为1:5：SWBRASCRHUAWEITECHNOLOGIESCO.,LTD.HuaweiConfidentialPage8Slidetitle:32-35ptColor:R153G0B0CorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialSlidetext:20-22ptBulletslevel2-5:18ptColor:BlackCorporateFont:FrutigerNextLTMediumFonttobeusedbycustomersandpartners:ArialToprightcornerforfield-mark,customerorpartnerlogotypes.----------------Thefollowingninegroupsofcolorsareanexampleofhowourdesigncolors