Juniper EX系列交换机

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,60,Copyright, 2009 Juniper Networks, Inc. ,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,44,Copyright, 2009 Juniper Networks, Inc. ,EX,系列交换机,Juniper,交换机产品型号介绍,Juniper,交换机优势与卖点,经典案例,培训日程,高性能的,EX,系列交换机平台,EX4200,EX8216,EX8208,EX2200,EX3200,EX2500,Operational Simplicity,Carrier-class Reliability,Integrated Security,EX6200,EX4500,EX 2200,固定端口系列,固定接口配置,24 or 48 ports,PoE,model options,4 SFP uplinks,JUNOS software,L2 and RIP in base license,L3 enhanced license,*,固定电源模块（不可现场更换） 固定风扇模块,1RU,# Ports,Port Type,PoE,Ports,Fixed Uplinks,Max Power Consumption(,PoE,Power),24,10/100/1000B-T,0,4 SFP,100 (0) W,24,10/100/1000B-T,24,4 SFP,550 (450) W,48,10/100/1000B-T,0,4 SFP,100 (0) W,48,10/100/1000B-T,48,4SFP,550 (450) W,*,Roadmap,EX2200,Fixed, standalone configuration,17.3W x 10D x 1.75H inches,43.9W x 25.4D x 4.4H cm,1 RU height,Fixed power, fans and uplinks,Consistent management,JUNOS Software,Managed by NSM,UAC integration,High Performance,Wire-rate, non-blocking,104,Gbps,capacity,Management interfaces,Console,Out-of-band Ethernet,External RPS support*,EX2200 Front View,EX2200 Rear View,GbE,Mgmt,& USB,Console,4xGbE,uplink ports,Singlefixedpowersupply,All ports,PoE,capable,in,PoE,SKUs,RPS,Fan,Fan,*,Roadmap,EX 3200,固定端口系列,24,或,48 10/100/1000,固定电口，灵活的上联端口扩展槽,上联端口模块,4,个千兆,SFP,端口模块,2,个万兆,XFP,端口模块,JUNOS,操作系统,可拆卸更换的电源和风扇,支持标准的,class 3 POE,供电,(15.4W),支持外接的冗余供电系统,LCD,显示,1RU,高,# Ports,Port Type,PoE,Ports,Max Power Consumption(incl.,PoE,),24,10/100/1000B-T,8,190 (320) W,24,10/100/1000B-T,24,190 (600) W,48,10/100/1000B-T,8,190 (320) W,48,10/100/1000B-T,48,190 (930) W,EX 3200,前部,EX 3200,后部,EX 3200,1 RU,模块化组件,Power supply,Fan,Uplinks,JUNOS software,1 GB internal Flash,External USB Flash,512 MB system memory,Management,Console,Out of band,Wire-rate performance,USB,GbE,Mgt,Console,OIR-capable uplink module,LCD,显示屏,Power supply FRU,Fan FRU,RPS connector cover,At least 8,PoE,Ports,EX 4200,集群交换系列,24,或,48 10/100/1000,固定端口，灵活的上联端口扩展槽,上联端口模块,4,个千兆,SFP,端口模块,2,个万兆,XFP,端口模块,JUNOS,操作系统,冗余热插拔内部电源和风扇系统,支持标准的,class 3 POE,供电,(15.4W),128Gbps,虚拟背板互连,可支持最多,10,台设备扩展,最多端口数可达,20 10GbE + 480 10/100/1000,LCD,显示,1RU,高,# Ports,Port Type,PoE,Ports,Max Power Consumption (incl.,PoE,),24,10/100/1000B-T,8,190 (320) W,24,10/100/1000B-T,24,190 (600) W,24,100B-FX/1000B-X,N/A,190 (190) W,48,10/100/1000B-T,8,190 (320) W,48,10/100/1000B-T,48,190 (930) W,EX 4200,前部,EX 4200,后部,EX 4200,GbE,Mgt,VCP (Virtual Chassis Ports),USB,Console,OIR-capable Uplink Module,/VCP (Virtual Chassis Ports),LCD,Redundant, hot swappable, load-sharing Power Supplies FRU,(Special external RPS adapter/panel can be inserted in the PS slots for external RPS option),Fan Tray FRU (multiple blowers),At least 8,PoE,Ports,1 RU,模块化组件,Power supplies, fan tray,Optional uplinks,JUNOS software,1 GB internal Flash,External USB Flash,1 GB system memory,Performance,Wire-rate, non-blocking,Local switching,High density,Up to 480 GbE and 20 10GbE ports in 10RU,VC cable length,0.5 Meter ships with box,1Meter, 3 Meter options,Management,Console,Out of band,EX4500 LINE OF 10GbE DATA CENTER SWITCHES,10GbE Ethernet Switch,2RU, 40x 1/10GbE SFP/SFP+,Two uplink modules (4 x SFP+/each),Available Q210,Data Center Optimized,Front-to-back and Back-to-front airflow (2 SKUs),Versatile mounting options,Twinax,/DAC support for,ToR,server access,10GbE Aggregation Switch,Building/campus distribution and core,Virtual Chassis Enabled,128G VC compatible with EX4200,High speed optical VC,Wire-rate Performance on All Ports,Redundant Power & Fans,Junos,Operating System,L2 and L3 in base,Roadmap (not available at FRS),SKU,# Ports,Port Type,Uplinks,Air Flow,EX4500-40F-FB,40,1/10GbE,8xSFP+,Front to back,EX4500-40F-BF,40,1/10GbE,8xSFP+,Back to front,EX4500 LINE OF 10GbE DATA CENTER SWITCHES,10GbE Ethernet Switch,2RU, 40x 1/10GbE SFP/SFP+,Two uplink modules (4 x SFP+/each),Available Q210,Data Center Optimized,Front-to-back and Back-to-front airflow (2 SKUs),Versatile mounting options,Twinax,/DAC support for,ToR,server access,10GbE Aggregation Switch,Building/campus distribution and core,Virtual Chassis Enabled,128G VC compatible with EX4200,High speed optical VC,Wire-rate Performance on All Ports,Redundant Power & Fans,Junos,Operating System,L2 and L3 in base,Roadmap (not available at FRS),SKU,# Ports,Port Type,Uplinks,Air Flow,EX4500-40F-FB,40,1/10GbE,8xSFP+,Front to back,EX4500-40F-BF,40,1/10GbE,8xSFP+,Back to front,Low power consumption 8W/10GbE port,Layer 3 part of base,license,Low-cost 10GbE aggregation/core,Junos,-based 10GbE,ToR,switch,Fewer logical devices with Virtual Chassis technology,EX4500 SWITCH: FRONT AND REAR VIEWS,EX4500 Front View,EX4500 Rear View,USB,Optional 4x GbE/10GbE,uplink module,40 fixed GbE/10GbE SFP/SFP+ ports,Redundant, hot swappable,load-sharing power supplies,LCD,Fixed form factor,2RU (3.4in H x 17.5in W x 21in D),Modular components,Power supplies, fan tray,Optional uplinks,Virtual Chassis Module,Junos operating system,Performance,Wire-rate, non-blocking,Local switching,Latency,2.7usec: Single PFE,4.6usec: Two PFE,Scaling,24,000 MAC,10,000 IPv4 routes,4096 VLANs,Environmental,100-240V AC power, DC,8W/port,Management,Console,Out-of-band,Optional 4x GbE/10GbE,uplink module,GbE,Mgmt and Console ports,Field-replaceable fan tray with redundant blowers,Intra-connect Module and future Virtual Chassis ports,Roadmap (not available at FRS),EX 8200,机箱交换机系列,高性能机箱交换机平台,单槽背板交换容量,400G,EX 8208 8,个业务槽,EX 8216 16,个业务槽,路由引擎全冗余,交换矩阵,N+1,冗余,Fully redundant power & cooling,Redundant, load-sharing PSUs (AC, DC),Hot-swap fan tray withredundant fans,Proven Juniper Technology,Switch fabrics, MX 960 control plane,Custom PFE ASICs,JUNOS software,Module Description,Max Ports,Interface,48-port 10/100/1000B-T,384 or 768,RJ45,48-port 100B-FX/1000B-X,384 or 768,SFP,8-port 10GbE,64 or 128,SFP+,EX 8208 Chassis Overview,背板带宽,6.2T,包转发率,960Mpps,最大,384,个千兆或,64,个万兆线速接口,高度,14RU,深度,21,每个标准机柜可安装三个机框,所有组件在前面板,LCD,控制板,轻松的系统识别和监控,两种发货选择,基本配置,:,1 SRE, 1 SF,风扇盘, 2 2kW AC,电源,冗余配置,:,2 SRE, 1SF,风扇盘, 6 2kW AC,电源,EX 8216,21 RU (1/2 rack), 25” deep,模块化结构,JUNOS software,1+1 Routing Engines,8,块交换矩阵,6 3kW power supplies,Two fan trays,高性能,所有端口二层三层线速,所有包长线速,无阻塞矩阵,高密度线速端口,最大,768 GbE, 128,线速,10GbE ports,16,个,100G,线速接口,Fan Tray (side-side airflow),LCD Display,16 dedicated100G line card slots,1+1 redundantRoute Engines,6 PSU bays for N+1 AC or N+N DC redundancy,(12000W max),Fan Tray,EX8208 / EX8216 VIRTUAL CHASSIS SIMPLIFYING THE DATA CENTER,Extends the power of Virtual Chassis switching across to the largest EX systems,Enables Layer 2,multipath,and efficient usage of uplink bandwidth,Simplifies server virtualization in large Data centers,Simplifies the aggregation layer,Security,Routers,ApplicationServices,Rack #1,Rack #120,L2/L3EX 8200 VC,EX4200-VC Or,EX4500-VC,Active RE,Standby RE,EX4500 (VC) or EX 4200 (VC),1,2,8,Juniper,交换机产品型号介绍,Juniper,交换机优势与卖点,经典案例,培训日程,绿色,IT,品牌优势,强大的统一接入控制,开放的统一通信平台,集大成的集群交换,Juniper EX,特点,电信级的精髓,-Junos,软件,广泛灵活的网管平台,先天优势的三层功能,品牌优势,Juniper,品牌获得了业界的高度认可，产品代表了：,高性能,高可靠,高效率,成熟安全,低维护成本,这些优势也会体现到,新的,交换机平台中,在互联网行业，,新,代表先进、领先和超前，更强的能力、更好的面向未来应用、更好的投资保护、更好的性价比,有可靠的软硬件架构和高端应用案例为前提，,新,也能得到保障,相反：,6500,技术优势,: VC-,集大成的集群交换,2,台以上,EX4200,交换机通过千兆,/,万兆上联端口,/,高速背板集群接口互联形成集群交换系统,简化管理：单一的管理接口简化设备管理，用户可以象管理机箱式交换机通过一个,console/telnet/ssh,会话管理一组交换机，,原先每一台独立的交换机成为新的虚拟机箱交换机的一个接口模块,(Line Card),，整个虚拟机箱运行一套,STP instance,一套路由协议,instance,高可用性：路由引擎冗余，电源模块冗余，虚拟交换矩阵,(Virtual Fabric),冗余,支持,GRES/NSF/NSR,高性能：一个虚拟机箱支持最多,10,个交换机成员,(Line Card),，最大支持,480,个,GE+20,个,10GE,集大成的集群交换,路由引擎冗余,交换矩阵冗余,电源系统冗余,风扇系统冗余,集群交换特色,有效降低建设成本,按需增加网络规模,灵活部署,结构简单,高可靠性,传统机箱,EX4200,集群交换,TM,设备空间需求,空调需求,电源需求,节省,15 Rack Units,1060 W,4480 BTU/hr,2 RU,216 W,743 BTU/hr,86%,80%,83%,以太网交换机,-EX4200,系列,校园或数据中心汇聚层,全冗余配置,48,个千兆光口,(SFP),4,个万兆光口,(XFP),如同管理一个单一机箱,跨越建筑物无限扩展的以太网万兆扩展集群技术,Extend height and/or width of Virtual Chassis by GbE or 10GbE uplinks,Up to distance of optics (70km),Extend Virtual Chassis across:,Wiring closets,，,Data center racks,，,Metro Ethernet,集群交换灵活的部署模式,Extended Virtual Chassis,Virtual Chassis Location #1,Virtual Chassis Location #2,GbE or 10GbE Virtual Chassis Extension,Dedicated Virtual Chassis,GbE or 10GbE Virtual Chassis Extension,Up to 70 km,先天优势：三层功能,遗传了,Juniper,路由器的优势,DNA,三层路由能力,所有交换机均为三层,EX32,以上，,Base,版本均支持,OSPF,EX22,也能够提供对,OSPF,的支持 （,roadmap,）,组播能力,强大的组播复制功能,强大的统一接入控制,UAC Agent,802.1XSwitch,Firewall,受控访问资源,通过,EX-series,交换机以及,SSG/ISG,防火墙实现安全策略部署,IC,可以基于用户帐号和设备端口动态推送配置策略给,EX,交换机。,EX,交换机基于,Radius VSA,扩展属性，可以动态的根据,user profile,定义的信息，动态部署,QOS,，时间策略，,vlan,分配以及其他端口配置参数，从而实现高级别的业务能力。,AAA,动态的策略,部署,身份识别,及资料,AAA,用户，终端策略部署,统一接入控制,标准的,802.1X,支持，同时扩展功能：,可以基于交换机静态,MAC,地址表进行认证。,基于,Radius,，实现动态,VLAN,功能。,支持,Guest VLAN,支持,Voice VLAN,基于,Radius VSA,属性，,实现三层防火墙,/IDS,动态联动,支持,IP telephones,的,802.1X,认证。,Supplicants,VLAN ID 10,VLAN ID 9,Switch,(,802.1X,enabled),Authentication,Server,开放的统一通信平台,Auto-sense IP phones,LLDP, LLDP-MED,Power over Ethernet,Full Class 3 (15.4 W),802.1X Access control,Multiple supplicants per port,Granular QoS,8 queues per port on all ports,Strict priority queueing,Carrier-class availability,Redundant components,JUNOS software,8 PoE ports in the24T and 48T models,灵活的,PoE,Full Class 3 PoE,Requires only one power supply,IP Telephony deployments need all PoE ports,Lower costs with the “T” skus for low density PoE,Wireless access points,Surveillance cameras,24 or 48 PoE ports in,the 24P and 48P models,LLDP Automates Phone Recognition,Port,Device,Information,ge-0/0/0,Gateway,xxxx,ge-0/0/1,IP phone,xxxx,ge-0/0/2,PC,xxxx,ge-0/0/3,Switch,xxxx,ManagementApplication,Port,Device,Information,ge-0/0/0,Switch,xxxx,ge-0/0/1,IP phone,xxxx,ge-0/0/2,PC/Server,xxxx,ge-0/0/3,PC/Server,xxxx,SNMP,SNMP,Im a VoIP Gateway,Im a Phone,Im a switch,Im a switch,Im a switch,Im a PC,Im a switch,Im a Phone,Im a switch,Im a switch,Im a PC,精细的,QoS,功能,SAP; Oracle; HTTP; IP Telepho Voicemail; Video Conferencing; Instant Messaging; ERP; HR; CRM; Backup Replication: E-mail: Video Network Management; SAP; ERP; Oracle; HTTP; IP Telephony: Voicemail; Video Conferencing; Instant Messaging; ERP; HR; CRM; Backup Replication: E-mail; Oracle Network Management; SAP; Oracle; HTTP; IP Telephony:,8 queues per porton all ports,Mark at Layer 2 (802.1p) or Layer 3 (ToS, DSCP),Classify at layers 2 4,Todays application mix requires 8 queues:,Real-time, transaction, bulk data, voice, video conferencing, control plane management, building management,QoS ACLs can be activated per session with UAC,Consistent QoS configuration tools across JUNOS devices,7. Network Control 6. Real-time Applications,5. Voice Traffic,4. Video,3. Transaction Applications,2. Building Management,1. Best Effort,0. SNMP,电信级的精髓,Junos,软件,Switches,Routers,Module X,API,2Q08,9.1,1Q08,9.0,4Q07,8.5,One OS,One Release,One Architecture,电信级的精髓,JUNOS,软件,:,高性能业务的网络操作系统,自,1998,年起开始部署,首款高性能网络操作系统,十余年的创新和开发,整合路由器、交换机和安全平台,卓越的高性能操作,每年按计划进行,4,次升级,;,数千种特性,为要求最严苛的客户提供服务,40,余家顶级服务供应商,高性能企业和公共部门客户,单一模块软件架构,单机模块,内存受保护，更稳定,无覆盖,兼容错误,能够迅速进行错误隔离,独立重启,实现灵活创新,模块,n,模块,3,模块,1,核心,控制层,模块,4,模块,2,High-Level Architecture,封包转发,转发服务,物理接口,转发层,控制层和封包转发隔离,确保性能,提升弹性,实现冗余,防火墙控制层,广泛支持的网管平台,TelnetSSHXML,HTTPHTTPSXML,NetConfDMISyslogSflow,SNMPSyslog,Juniper EX-series,Open, Standards-based Management,JUNOS CLI,Telnet, SSH,JUNOScript: Automated Configuration, Operations,J-Web,Quick Setup with Templates,Dashboard View,Performance Monitoring,Juniper NSM,Discovery & Configuration,Policy Management,Inventory Management,Log Management,Device Management,Network & Security Management,Third party NMS,Juniper STRM,Threat Detection,Event Log Management,Compliance & IT Efficiency,网元管理：,J-Web,Easy Initial Setup,Enables fast deployment withminimum configuration steps,Dashboard with Chassis View,Dynamic status update of system & ports,Feature Configuration,Templates: VLAN, 802.1X, Security & QoS,Networking: VLAN, PoE, LLDP, Link Aggregation, Chassis, Port Mirroring,Security: 802.1X, ACL,Performance Monitoring,Real-time Monitoring Graphs,System, ports, VLAN, PoE, Chassis,802.1X, Port Security,Troubleshooting & Maintenance,Firmware & conf upgrade / rollback,Basic troubleshooting tasks,统一网管平台：,NSM and NSM,Xpress,Device management,Device discovery & deployment,Role Based Administration,URL link to J-Web,Configuration Management,Template based configuration of one or several switches,Configuration version management,Inventory Management,Hardware & software inventory,Automated or on-demandinventory updates,Viewing device licenses,Monitoring & Troubleshooting,Log Filtering & Reporting,Status monitoring,广泛的第三方网管平台无缝集成,VENDOR,PRODUCT,DESCRIPTION,OpenView NNM v7.5,Device discovery, collection of traps and alarms, and device health monitoring,OpsWare Network Automation,Centralized configuration & change management,Tivoli NetView v7.1.5,Device discovery, collection of traps and alarms, and device health monitoring, launch of J-Web device manager,Tivoli NetCool OmniBus v7.1,Centralized fault management including discovery, and trap and alarm correlation and device monitoring,Tivoli IP Network Manager v3.7,IP based layer 3 network visualization and topology based event correlation,Spectrum v8.1,Centralized fault management including discovery, and trap and alarm correlation and device monitoring,eHealth v6.0,Centralized performance management,VistaInsight v3.0,Centralized performance management,Smarts v7.03,Centralized fault management including discovery, alarm correlation,绿色,IT,网络设备稳定运行的两个基本条件,电力系统,冷却系统,长期以来，从,IT,人员到公司管理层都忽视网络设备长期运行所带来的成本支出,网络扩展,性能的需求越来越高,新型全球信息架构的主要推动者,保护用户远离威胁,安全,支持任何通信应用,性能,100%,随时可用,连接数十亿用户和设备以及数万处超级数据中心,可靠性,规模,能源利用大幅增长,Verizon Sets Energy Efficiency Standard,Verizon announced what it says are the global telecom industrys first energy-efficiency standards, designed to reduce by 20% the power consumed by new telecom-related equipment starting Jan. 1, 2009.,Typical 20,000 sqft Data Center,Uses 8 Megawatts,BT 21C 20,000 sqft Data Center,Uses 3.2 Megawatts,能源效率是选择厂商的标杆,To help Japan meet its Kyoto Protocol target, NTT Group aims to reduce electric power consumption by 2010 to the level of 1990,Vodafone Group targets 50 % reduction in carbon emissions by 2020,电力,空间,传统网络,传统网络,96,x,GE,EX 4200,1,400W,640W,机柜交换市场,传统企业网络,2,500,个整合式接入端口,80,光纤,GbE,整合端口,20,个,10GbE,骨干端口,传统机柜,Juniper,绿色,IT,的倡导者,节省高达,65.7%,节省高达,80.5%,以太网交换机,-EX8200,6.4T b/s,1.4Tb/s,Power 600W,Power 6000W,Juniper EX8216,性能优越,450%,Catalyst 6513,Juniper,屡获绿色殊荣,T-1600 Recognized for Its Innovations,Finalist 2008,MX960 Recognized,for its Innovations,Juniper,助力纽约,-,泛欧证券交易所,纽约,-,泛欧证券交易所，由纽约证券交易所集团（总部位于纽约）和欧洲证券交易所（总部位于巴黎）合并组成。是全球规模最大、最具流动性的证券交易集团。每天全球各地及各类资产数十亿计的交易与报价。,为实现成本节省并提高管理效率。纽约,-,泛欧证券交易所将全球的,10,个数据中心整合为,4,个。其中,2,个为新建数据中心，分别在纽约及伦敦。,Juniper,为这,2,个新数据中心提供全面的解决方案。新的数据中心预期于,2010,年开始运营。同时，瞻博公司的数据中心基础构架以及技术，将以前的,150,微妙的延迟缩短为,50,微秒。,到那个时候纽约证交所将是这个星球上开展交易的最佳场所。我们的网络是速度最快的交易网络，据我们所知没有其他交易所能做到这点,。,NYSE,Euronext,的,CIO Steve,Rubinow,Juniper,助力纽约,-,泛欧证券交易所,新数据中心将采用,10GE,以太网技术。通过取消一个交换和路由层，从而减少延迟。同时把网络从三层扁平化为两层。,新数据中心将采用,20-40,台,EX 8216,及几百台,EX2500,以太网交换机。,MX,系列以太网路由器，提供,MPLS,和高级的,QoS,功能。,经过简化的纽约,-,泛欧证券交易所平台只需要更少量的设备与网络连接，同时瞻博网络数据中心基础构架解决方案大幅减少了网络的复杂性以及总体拥有成本：,节省了,52%,的资本支出,节省了,44%,的能源消耗,冷却效率提高,44%,数据中心的机架利用率也提高,55%,。,渣打银行北京数据中心,EX8208-1,Single RE,EX8208-2,Single RE,EX4200VC-1,Dual RE,EX4200VC-2,Dual RE,IWAN Router,Server Farm,Access,Core,Virtual Chassis 1,Virtual Chassis 2,Virtual Chassis 3,Virtual Chassis 4,Virtual Chassis 5,核心业务区,营业厅,南华期货滨江数据中心网络拓扑,办公,业务区,EX4200,外联区,SSG550,EX3200,ISG1000/SSG550,M10i,ISG1000,转发区,EX8208,银行,J4350,M7i,嘉兴数据中心,深圳发展银行数据中心,EXA-WAN-0,EXA-RT-0,EXA-WAN-1,EXA-RT-1,EX4200,EX4200,DMZ2,Internet,接入网,ITS-FW,网银,ITB-RT,ITS-RT,办公,OA,分行接入,EX4200,EX4200,ISG1000,ISG1000,ISG2000,SSG550,EX4200,外联,EX8208,EX4200,EX8208 * 2,EX4200-48T * 40,ISG1000 * 4,SSG550M * 2,中金国际概述,Cisco install base,中金国际网络现状：,核心：,C6509 w/ Sup720 Engine+ DFC LAN Card,汇聚：,C4507R as Distribution/Access layer switch,接入：,C3750/C3560/C2960 as Access layer switch,EX,在中金国际,CICC requirement:,Graceful RE Swtichover/Non-stop routing in VC,PoE/LLDP-MED interoperability,with Nortel IP Phone,DHCP Snooping/DAI,STP compatibility w/ CSCO,JNPRs EX to replace their original C2960/C3560/C3750 at access layer,目前部署,7*EX4200+7*EX3200,中金国际案例拓扑,OA,C6509,C6509,Server Farm,华北电网案例,华北电网综合数据网,部署在综合数据网络的,11,万伏变电站节点,70,台,EX3200,广东海洋与渔业局案例,生产通信指挥系统数据网，为广东省,200,海里专属经济区海洋与渔业资源提供行政管理职能，提供数据、语音、视讯传输业务,部署在生产通信指挥系统数据网的核心、汇聚、接入,103,台,EX4200/EX3200,广东海洋与渔业局案例,省核心,地市支队,专网,政务网,地港口大队,/,中队,深圳天威数字电视网络案例,原深圳市广电网络部,提供宽带上网，数字电视服务，并提供城域网专线业务,数字电视网络发展目标,新增,40000,个单播高清流，需要增加新的推流服务器,需要增加新的网络设备,20,台汇聚层交换机，通过万兆与推流交换机直连,14,台提供,24,个千兆电口,6,台提供,24,个千兆光口,深圳天威数字电视网络案例,推流路由器,推流路由器,汇聚交换机,汇聚交换机,汇聚交换机,汇聚交换机,IP-QAM,IP-QAM,IP-QAM,IP-QAM,IP-QAM,IP-QAM,节目调度服务器,中国政法大学案例,本次项目是新公寓大楼的全新网络建设。,新公寓大约有,5000,个节点，一半用作办公、另一半是宿舍、还有部分教室。,项目的具体技术需求如下：,三层结构，楼宇汇聚到核心可支持升级到万兆上联,保证新公寓所有节点,IPv4/IPv6,互联互通。,在汇聚交换机上预留千兆以太网供电（,POE,），满足未来无线网络建设,新公寓大楼网络拓扑,