云计算网络虚拟化关键技术及标准化状态课件

Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,Presentation_ID,*,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,1,Cisco Confidential,2010 Cisco and/or its affiliates.All rights reserved.,1,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,2010 Cisco and/or its affiliates.All rights reserved.,Cisco Confidential,*,Thank you.,Slide Title Goes Here,Body Text,Second level,Third level,Fourth level,Fifth level,云计算网络虚拟化,关键技术,2011,年,11,月,云计算网络虚拟化关键技术2011年11月,FCoE,FCoE,FCoE,FCoE,技术标准可以将光纤通道映射到以太网，从而可以在以太网上传输,SAN,数据。它能够保护客户在现有,FC-SAN,上的投资（如,FC-SAN,的各种工具、员工的培训、已建设的,FC-SAN,设施及相应的管理架构）的基础上，提供一种以,FC,存储协议为核心的,I/O,整合方案。,FCoE,面向的是,10G,以太网,，其应用的优点是在维持原有服务的基础上，可以大幅减少服务器上的网络接口数量（同时减少了电缆、节省了交换机端口和,管理员,需要管理的控制点数量），从而降低了功耗，给管理带来方便。此外它还提高了系统的可用性。,FCoE,是国际标准，已经于,2009,年,6,月标准化,FCoEFCoE技术标准可以将光纤通道映射到以太网，从而可以,数据中心愿景,构建“统一交换矩阵”（,Unified Fabric,）,下一代,网络整合,降低投资成本,降低运维成本,内建互操作机制,LAN,SAN,IPC,存储,高性能计算,IP,网,今天,多种,I/O,接口卡,更高的投资成本,更高的维护成本,多种管理机制,统一交,换矩阵,LAN,SAN,IPC,统一交换,数据中心愿景构建“统一交换矩阵”（Unified Fabr,FC,流量,FC HBA,统一交换技术,I/O,卡整合,用最新且数量更少的,CNA,卡,(Converged Network adapters),替换目前广泛使用的网卡、,HBA,卡和,HCA,卡,10GE,承载所有业务,CNA,CNA,FC,流量,FC HBA,NIC,LAN,流量,NIC,LAN,流量,NIC,网络管理流量,NIC,备份流量,IPC,流量,HCA,统一交换,FC 流量FC HBA统一交换技术I/O卡整合用最新且数量,Ethernet,Header,FCoE,Header,FC,Header,FC Payload,CRC,EOF,FCS,Destination MAC Address,Source MAC Address,(IEEE 802.1Q Tag),ET=FCoE,Ver,Reserved,Reserved,Reserved,Reserved,SOF,Encapsulated FC Frame(with CRC),EOF,Reserved,FCS,Byte 0,Byte 2197,FCoE Frame Format,Bit 0,Bit 31,FCoE,提供了更高容量，且更低成本的储存传输方案,标准中定义了,2,个主要协议,FCoE,数据平面协议,FIP,控制平面协议,FCoE,于,2009,年,6,月,3,日成为行业标准,统一交换技术,Fibre Channel over Ethernet(FCoE),FC,流量,以太网流量,统一交换,EthernetFCoEFCFC PayloadCRCEOF,FCoE,技术支撑,Ethernet,Header,FCoE,Header,FC,Header,FC Payload,CRC,EOF,FCS,与物理,FC,帧相同,控制信息,普通以太帧,以太帧类型,=FCoE,10G,以太网,无丢包以太网,匹配,FC,基于,credit,的不丢包特性,以太网巨帧,最大,FC,帧长,=2112,字节,统一交换,FCoE技术支撑EthernetFCoEFCFC Paylo,vPC,vPC,跨机箱链路捆绑技术,vPC,Virtual Port-channel,技术，支持跨机箱的以太通道捆绑技术，可以同时利用接入交换机的双上联链路，剔除原始的,STP,防环协议只能利用一条上联链路的局限性和,STP,协议排错的复杂性，使整个核心与接入系统吞吐量提高一倍。,vPC,是思科私有技术，暂时没有这方面的标准技术，类似的解决方案有,6509VSS,，,MC-LAG,等，都是私有技术。,跨机箱链路捆绑技术vPCVirtual Port-chann,Virtual Port-Channel,（,vPC,）,跨机箱链路捆绑,允许单个设备使用捆绑链路（,port-channel,）连接两个不同的上联交换机,使得被,生成树禁用的端口进入转发状态,所有上联链路的带宽能够被完全使用,双上联服务器的网卡运行在双活模式,当链路或设备故障时,提供快速收敛,显著降低成本,逻辑拓扑（未配置,vPC,）,逻辑拓扑（配置,vPC,）,链路虚拟化,Virtual Port-Channel（vPC）跨机箱链,vPC,技术实现机制,vPC,vPC peer-link,vPC peer,non-vPC device,vPC ft-link,vPC member port,vPC,vPC member port,CFS protocol,组件,功能描述,vPC peer,具备,vPC,功能的交换机,vPC,member port,vPC,交换机下联方向