CISCO ASR9k简介.ppt

1、ASR9k产品简介,福建富士通信息软件有限公司 Fujian Fujitsu Communication Software Co., Ltd.(FFCS),提 纲,IP网络发展概述及设计概念 硬件架构介绍 QoS、主播能力 ASR9k设备扩展性介绍,网络应用发展趋势,Gopher, FTP,WWW,P2P,VideoContent,VideoCommunication,1993-1995,1995-2000,2000-2013,2013-2025,2025+,1995: Web Overtakes Gopher, FTP 2000: Peer-to-peer Overtakes Web 201

2、0: Video Content Overtakes Peer-to-Peer 2015: Video Communication Overtakes Video Content,46% CAGR 2007-2012,Source: Cisco Visual Networking Index Forecast, 2007-2012,网络的发展对带宽的要求,Services,“The Wild Wild West” Dial-up internet access prevalent Early days of xDSL and Cable Broadband Web 1.0 basic HTML

3、,“Tech Bubble Bursts” Sharp decline in Dial-up Broadband penetration grows rapidly IP based business services,“IP NGN Transformation” Mobile Broadband growing Video driving explosive IP BW growth Web 2.0 applications proliferate,Technology,Product,Core 0.0 (1995 2000),Core 1.0 (2000 2005),Core 2.0 (

4、2005 2010),OC3 to OC48 Packet over Sonet,2.5G Systems Cisco 7500 and GSR,10G Packet over Sonet 10G Ethernet Advent of MPLS,10G systems Cisco GSR,40G/100G systems,40G /100G Packet over Sonet Multi-chassis IPoDWDM,ASR9k设计概念,Distributed system End to end QoS Superior multicast,Superior architecture,IOS

5、-XR Modular OS Absolute HW Redundancy Broad Network Resiliency Schemes Fast convergence,Carrier class,Integrated Video,Industry Leading Watts/Gbps Pay as You Grow Power Minimal Carbon Footprint,Power Reduction,High Density GE/10G Extensive L2VPN Services Incorporated SynchE IPoDWDM Ready,Carrier Eth

6、ernet Focus,6.4Tbps Capable System Engineered for Nx100G,Build to last!,ASR 9000,为高密度GE/10GE/100GE的汇聚而优化 按照很长的产品生命周期设计，每槽可扩展到400 Gbps 带宽（单向） 基于创新的IOS-XR技术，提供不间断的电信级高可用性，并通过ANA 实现完善的管理手段 实现商务和宽带业务的网络融合,系统概况10-slot和6-Slot两种机框,每槽带宽能力 背板已具备400Gbps能力 当前交换矩阵支持180Gbps 400G 当前支持40G/60G/80G板卡 N-100G 运营商级别硬件冗

7、余备份能力 模块化AC & DC模块 每个AC电源模块3KW 每个DC电源模块2KW1.5KW 可变速风扇 更低功耗、更低噪音,8x linecards + 2x RSP Rack 前进风后出风散热 最大功耗8.5Kw，FCS功耗 5KW,4x linecards + 2x RSP Rack 侧进风后出风散热 最大功耗5.5KW，FCS功耗 3KW,系统架构,80G线卡架构,40G线卡架构,交换矩阵-数据平面,交换矩阵-控制平面,LC2,T0,B0,Fabric Interface,B1,T1,T2,T3,IGMP joins,Multicast Source,Switch Fabric,LC

8、1,T0,B0,Fabric Interface,B1,T1,T2,T3,LC3,T0,B0,Fabric Interface,B1,T1,T2,T3,传统主播复制技术,没有交换矩阵的复制, 入线卡需要为全部有接受者的出线卡复制组播数据包 这将会浪费和消耗入线卡到矩阵的带宽, 扩展 性很差!,Kill the ingress LC fabric bandwidth N x bandwidth required N = number of output interfaces,LC2,T0,B0,Fabric Interface,B1,T1,T2,T3,IGMP joins,Multicast S

9、ource,Fabric Replication replicate packet to egress LCs based on FGID,Fabric Interface Replication replicate packet to Bridge FPGAs based on MGID,Bridge FPGA Replication replicate packet to NPU based on MGID,NPU Replication replicate packet to egress port,Switch Fabric,1,2,3,4,1,2,3,4,LC1,T0,B0,Fabr

10、ic Interface,B1,T1,T2,T3,LC3,T0,B0,Fabric Interface,B1,T1,T2,T3,ASR 9000 高效的组播复制智能的交换矩阵和出线卡 复制机制Replicate at the last point of interest,FGID,MGID,MGID,FIGD Fabric Group ID MGID Multicast Group ID,IGMP joins,组播FRR (Multicast Only Fast Reroute MoFRR),前提 分离的物理网络拓扑，可以扩展到环状拓扑。 相同的IPTV 流在分离拓扑的两条路径上 传送 如何工

11、作? PE 向两个上联接口发送PIM join ，来建立组播树. 当PE 收到组播数据包，只接受 RPF 的流量, 丢弃另一条上联接口的流量。 当主路径失效, 可以很快地切换到备份路径，因为PIM tree 已经事先建立好 故障检测可以基于 IGP/PIM 控制层面或数据层面（类似线内介质监测机制） 路由器本地功能，不需要上游设备支持组播FRR,IPTV source,MoFRR only enabled on PE routers,ASR 9000 组播快速收敛,Sub second, 500ms,0 Loss,Live-Live,IOS-XR IGP and PIM Fast Conver

12、gence,Convergence Time,Baseline,50ms,Flow base MoFRR,ISIS/OSPF prefix prioritization,4.x,IPTV source prefix get converged at first, guaranteed 100msec IGP convergence for IPTV source which is independent of the size of IGP routing table,Multicast NSF zero packet loss during RSP failover or OIR,Cisco

13、 ASR 9000优越的架构线卡,业界领先的QoS 扩展能力和灵活性,最大每卡768k 个队列，支持双 Priority 队列和到交换矩阵的VoQ 4-级QoS 层次 整机可达 6 Million队列,Mark,Class-based Queue,Shape& BRR,Oversubscribe Physical I/F and honor high priority classes,Residential (per EFP/VLAN),Business (per EFP/VLAN),Police,Shape w/ Min BW Guarantee & BRR,Shared Group Pol

14、icy,EFP Policy,EFP Policy,Port Policy,Per-Class Policies,Per-Class Policies,Mark,Police,Class-based Queue,Per-NPU,Per-Port,三种类型板卡- 按QoS scale分类,IP转发容量一致，均为1M,功能一致，同时支持2层，3层，MPLS VPN,最大MAC容量一致，均为1M,ASR9000系统高可用性能力,IOS-XR Software process restart Zero packet loss All processes are restartable First li

15、ne of defense, process level failures RSP failover, OIR Zero packet loss SSO: all protocols support SSO with very few exceptions1 NSF/GR: all protocols are NSF capable from day 1 NSR: ISIS/OSPFv2/LDP/BGP/OSPFv3 Bug fix SMU upgrade Most of the SMU upgrade is hitless Simplify the operation,进程独立重起,RP/0

16、/RP0/CPU0:germany#process restart bgp RP/0/RP0/CPU0:germany#process restart isis RP/0/RP0/CPU0:germany#process restart ospf RP/0/RP0/CPU0:germany#process restart mpls ldp .,Node-B for3G mobile,Consumer Broadband And femto cell,Core,Service Selection,QFP,ASR 1000,Enterprise VPN and Legacy clients,3G

17、RNC,TPE,ASR 9006,ASR 9006,ASR 9006 Aggregation Rings,ASR 9006,ASR 9000: Softbank IP NGN,ASR 9010,MSE/TPE(/SSE),SPE,TPE,ATM SW,TPE,三种类型板卡- 按带宽分类,40G 4x10GE，40 xGE 60G 8x10GE超配卡 80G 8x10GE线速卡,ASR9000 SPA interface Processor (SIP) 通过SPA（Shared Port Adapters）支持非以太网接口 High-touch / extra-complex 业务特性 高扩展性

18、的多业务边缘特性 20G 线速基于 Quantum Flow Processor (QFP)处理器,承载SPA的母卡: A9K-SIP-700 SPA Carrier Cards,Cisco ASR 9000 演进路线图,MARKET FOCUS,DEVELOPMENT FOCUS,2009,2010,Layer 2 & Layer 3 Carrier Ethernet,IP RAN Backhaul,Ethernet BNG,6 & 10-slot Chassis,120 Gbps Card,200 Gbps Cards,40/60/80 Gbps Cards,SPA Carrier Car

19、d,Video Services Blade,18 Slot Chassis,Legacy Interfaces,Video Caching & Streaming,Mobile Service Gateways,Mobile Gateway Services Blade,2009 Layer 2 & Layer 3 Carrier Ethernet Foundation,2011,POS & Channelized SPAs,16x10GE,下一代线卡的领先: 扩展性ASR 9000 Unparalleled 10GE Density,ASR 9000系统演进路线 满足未来5-10年流量增长

20、,Based on IOS-XR,80Gbps LC in 3.9,2x100G, 20 x10G, 5x40G LCs in CY2011+,Linecards per Chassis,Bandwidth per Slot,Bandwidth per Chassis,Linecard Density,8 LC + 2 RSP,4 LC + 2 RSP,180 Gbps,180 Gbps,2.8 Terabits,1.4 Terabits,10 slots,6 slots,40 Gbps,40 Gbps,18 slots,16 LC + 2 RSP,400 Gbps,12.8 Terabits,2011+,12.8Tbps Chassis in CY2011+,200 Gbps,18-sl