思科數(shù)據(jù)中心大講堂-nexus第一篇a training for se

1、CiscoNexus 5000/2000/1000v product introduction 2009 Cisco Systems, Inc. All rights reserved.數(shù)據(jù)中心日趨虛擬化的環(huán)境帶來.數(shù)據(jù)流向發(fā)生改變VMW ESXVM #8VM #7VM #5VM #5VM #5VM #6VM #7VM #8Nexus 1000VVMW ESXVM #8VM #7VM #5VM #5VM #5VM #6VM #7VM #8Nexus 1000V虛擬機(jī)環(huán)境改變了網(wǎng)絡(luò)的流量負(fù)載通過增加單臺(tái)物理服務(wù)器的應(yīng)用密度，服務(wù)器自身和網(wǎng)絡(luò)都得到了更好的利用需要重新衡量過載比的計(jì)算網(wǎng)絡(luò)的容量不僅

2、在數(shù)量級(jí)上提升了（更多的存儲(chǔ)和應(yīng)用數(shù)據(jù)的遷移），也變得更加的高利用率（每臺(tái)物理服務(wù)器產(chǎn)生了更多的數(shù)據(jù)和存儲(chǔ)的流量）10GE LOMs, 多核CPUs 以及 服務(wù)器的虛擬化對(duì)網(wǎng)絡(luò)10GE 的連接和帶寬要求變得很高，對(duì)應(yīng)用的性能起到了至關(guān)重要的作用。End of the Row (Centralized Server to Network cabling)數(shù)據(jù)中心架構(gòu)對(duì)基礎(chǔ)設(shè)施的要求也在發(fā)展Top of the Rack (De-centralized)數(shù)據(jù)中心的環(huán)境提出了新的基礎(chǔ)設(shè)施的要求和技術(shù)的改變技術(shù)的改變將影響布線的設(shè)計(jì)LoM 技術(shù)默認(rèn)的網(wǎng)絡(luò)帶寬升級(jí)到了10GE5年內(nèi)將會(huì)升級(jí)到40GE和1

3、00GE 需要提供一個(gè)非常高效的電源供應(yīng)和靈活的接入架構(gòu)不僅僅是在EoR和ToR之間進(jìn)行選擇2008Nexus: An Unmatched Rate of InnovationCisco Nexus 7000Raised the bar for availability and performanceCisco Nexus 5000Unmatched versatility with Ethernet, DCE, FCoE & FC supportCisco Nexus 1000VRevolutionized virtual machine networkingJanAprSepPlatfor

4、mTechnologyNX-OSUnified OS for the data centerData Center EthernetLossless 10Gb transport for next-gen DCFibre Channel over EthernetUnified Fabric for LAN and FCVN-LinkVirtual Machine Aware Network , Storage and Unified Fabric1KCisco Nexus 1000V2008x86Cisco Nexus 2000Uniform architecture for GE, 10G

5、E, UIO and VM2009 2009 Cisco Systems, Inc. All rights reserved.Broad Customer Traction 2009 Cisco Systems, Inc. All rights reserved.Cisco Nexus Portfolio Deployed in Mission Critical DCs WorldwideOver 1000+ customers (and growing) have selected Cisco Nexus 5k/2k to run their data centers20% of Fortu

6、ne 100APAC, Emerging, Europe, Japan & USEnterprise, Mid-Market, Service Provider, Federal & Public SectorThe Nexus Family HasBeen Warmly Received “The Cisco Nexus 5000 brings a completely new technology to network consolidationwith a price that drubs the competition, a small 2U form factor, great sc

7、alability, and unrivaled speed and latency.”InfoWorld“Ciscos biggest switch, called the Nexus 7000, sits above them all, unifying a computer centers crazy quilt of engineering standards into a layer of control”Forbes Nexus 1000V Nexus 7000 Nexus Family Nexus 5000 2009 Cisco Systems, Inc. All rights

8、reserved.Nexus5K/2KNexus 5000/2000產(chǎn)品的定位 首先，N5K/N2K是一款虛擬的模塊化以太網(wǎng)交換機(jī)，定位在數(shù)據(jù)中心接入層 支持純GE、10GE全線速的以太網(wǎng)交換機(jī)，支持高密度和高性能的接入層網(wǎng)絡(luò)遷移和數(shù)據(jù)中心改造帶來數(shù)據(jù)中心L1、L2的靈活性 其次，N5K是一款支持網(wǎng)絡(luò)融合FCoE的交換機(jī) FCoE已于2009年6月3日正式成為ANTS T11的工業(yè)標(biāo)準(zhǔn) IBM、HP的服務(wù)器相繼宣布了對(duì)FCoE的支持 NetApp的存儲(chǔ)已經(jīng)支持FCoE的端口、EMC也將于年底支持第三， N5K是虛擬化ready的交換機(jī)，可以向虛擬化數(shù)據(jù)中心發(fā)展 N5K將直接支持與服務(wù)器虛擬機(jī)融

9、合的VN-Link的技術(shù)Nexus 5000/2000產(chǎn)品對(duì)客戶的價(jià)值整合，優(yōu)化并簡化數(shù)據(jù)中心基礎(chǔ)網(wǎng)絡(luò)架構(gòu)，降低TCO，保護(hù)現(xiàn)有服務(wù)器、網(wǎng)絡(luò)、存儲(chǔ)和基礎(chǔ)設(shè)施的投資通過在網(wǎng)絡(luò)層對(duì)虛擬機(jī)的優(yōu)化服務(wù)，增加了業(yè)務(wù)的可視性和靈活性數(shù)據(jù)中心級(jí)高可用性和高性能的操作系統(tǒng)和數(shù)據(jù)交換能力增強(qiáng)了業(yè)務(wù)的彈性，提高計(jì)算資源的利用率不需要改變現(xiàn)有的運(yùn)營模式和最佳實(shí)踐經(jīng)驗(yàn)，新的交換機(jī)平臺(tái)的不是非常簡單易行與眾不同之處（可屏蔽其他廠家的技術(shù)特性）高性能10 Gigabit 以太網(wǎng)交換機(jī)支持?jǐn)?shù)據(jù)中心以太網(wǎng)DCE特性支持工業(yè)標(biāo)準(zhǔn)FCoE對(duì)虛擬機(jī)業(yè)務(wù)進(jìn)行優(yōu)化Cisco Nexus 5000簡介Nexus 5000 產(chǎn)品概述業(yè)界第

10、一款整合I/O 的數(shù)據(jù)中心虛擬網(wǎng)絡(luò)交換機(jī)Nexus 5000交換機(jī)系列56-Port L2 Switch40 Ports 10GE/FCoE/DCE, fixed2 Expansion Modules28-Port L2 Switch20 Ports 10GE/FCoE/DCE, fixed1 Expansion ModuleFC + Ethernet 4 Ports 10GbE/FCoE/DCE 4 Ports 1/2/4G FCFibre Channel 8 Ports 1/2/4G FC擴(kuò)展模塊Ethernet 6 Ports 10GE/FCoE/DCE OSCisco Fabric M

11、anager and Cisco Data Center Network ManagerCisco NX-OS管理合作伙伴SW FCoE/DCE + 2x10GE2x10GE/DCE/FCoE2x10GENexus 5010Nexus 5020今天：N5K+N2K是虛擬模塊化以太網(wǎng)交換機(jī)虛擬擴(kuò)展模塊- 多合一Nexus 2000 擴(kuò)展器 (FEX) 相當(dāng)于一個(gè)遠(yuǎn)程模塊通過Nexus 5000作為整體的集中管理和配置，然后將其發(fā)送到虛擬機(jī)箱的遠(yuǎn)程模塊上Nexus 5000虛擬化機(jī)箱+Nexus 5000Nexus 2000 Fabric Extender=今天：N5K+N2K是虛擬模塊化以太網(wǎng)交

12、換機(jī)虛擬擴(kuò)展模塊- 多合一Nexus 2000 擴(kuò)展器 (FEX) 相當(dāng)于一個(gè)遠(yuǎn)程模塊通過Nexus 5000作為整體的集中管理和配置，然后將其發(fā)送到虛擬機(jī)箱的遠(yuǎn)程模塊上Nexus 5000虛擬化機(jī)箱+Nexus 5000Nexus 2000 Fabric Extender=相當(dāng)于一臺(tái)非背板連接的大模塊化交換機(jī)，而且模塊可以任意移動(dòng)！布線的對(duì)比N5K/N2K優(yōu)化 Layer 1和 Layer 2 的設(shè)計(jì)Combination of EoR and ToR cablingNexus 5000/2000 Mixed ToR & EoR. . .更加靈活的布線選擇將物理布線和L2拓?fù)浣怦詈蟽?yōu)化布線和

13、L2 (Spanning Tree) 的設(shè)計(jì)同時(shí)支持EoR, MoR 和ToR混合的1GE、10GE組網(wǎng)利用N2K的擴(kuò)展性結(jié)合vPC 可以構(gòu)建大型的layer 2 domains (減少STP 邏輯端口的數(shù)量、節(jié)點(diǎn)數(shù) )N5K+N2K可至少支持576個(gè)GE端口，將來還會(huì)更多，端口數(shù)量擴(kuò)展性極高N5K/N2K高可擴(kuò)展的layer 2 拓?fù)浜投丝跀?shù)L2L3L3L2BackbonevPCvPCNX-OS 4.1(3)N1 ReleaseNew Software virtual Port Channels (vPC)virtual Port Channels (vPC)vPC on the Nexus

14、 5000/2000 offers the following benefits Multi-chassis EtherChannels to redundantly connect devices without dependency on STP Leverage EtherChannel hashing to distribute load even on same VLAN Up to 16 ports per local Port Channel or 32 ports across a vPC Leverage IEEE 802.3ad LACP to dynamically ad

15、d/remove members Allows FEXs to dual-home to 2 Nexus 5000s or dual-home servers to 2 Nexus 2000s Up to 480 host port channels supported Compatible with vPC on Nexus 7000 and VSS on Catalyst 6500vPC with FEXNexus 2000 Straight-through vPCNexus 2000 active/activePeer-linkManagement Network2-GigE ports

16、host port channelManagement Networkprimarymgmt0mgmt0mgmt0mgmt0Peer-linksecondaryprimarysecondaryvPC2 portsFEX120FEX100HIF HIF “fabric links” vPC 1vPC 2FEX120FEX100HIF HIF “fabric links” Active/ standby 5k015k025k015k02NX-OS 4.1(3)N1 ReleaseNew Hardware 1G DOM OpticsSFP-1G-T/S/L1G DOM Optics1G DOM Op

17、tics offers the following benefits Digital Optical Monitoring (DOM) on fiber interfaces Supports extended temperature ranges Can be used on Nexus 5010 or Nexus 5020, with interface capabilities configured on a per-port basis Supports connectivity to servers or networking equipmentSupported on first

18、8 ports on 5010Support on first 16 ports on 5020!SFP-1G-T 1000 Base-T, CopperSFP-1G-S Short Reach, Multi-mode FiberSFP-1G-L Long Reach, Single-mode Fiber通過FCoE實(shí)現(xiàn)IO和網(wǎng)絡(luò)整合LANSAN BSAN ANexus 5000IP局域網(wǎng)今天的數(shù)據(jù)中心網(wǎng)絡(luò)LAN光纖存儲(chǔ)網(wǎng)下一步：思科統(tǒng)一交換架構(gòu)數(shù)據(jù)中心IP網(wǎng)絡(luò)和光纖存儲(chǔ)網(wǎng)絡(luò)的融合增強(qiáng)型以太網(wǎng)和 FCoE以太網(wǎng)FCIP局域網(wǎng)光纖存儲(chǔ)網(wǎng)統(tǒng)一交換網(wǎng)絡(luò)SAN BSAN A減少網(wǎng)卡減少布線簡化網(wǎng)絡(luò)簡化

19、管理數(shù)據(jù)網(wǎng)絡(luò)、高性能計(jì)算、存儲(chǔ)網(wǎng)絡(luò)的整合傳統(tǒng)的數(shù)據(jù)中心LANSAN BSAN AGatewayData Center SANHigh PerformanceComputingHPCData Center LANAccess LayerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerSer

20、verServerServerServerServerServerServerServerServerServerServerServerServerServerServerFCFCEthernetEthernetServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerOpticalCablesMDS 9500Catalyst6500SFS7000Cat4900MDS9200耗費(fèi)大量功率線路結(jié)構(gòu)復(fù)雜，難于管理、擴(kuò)展資源沒有整合，無法實(shí)現(xiàn)復(fù)用數(shù)據(jù)網(wǎng)絡(luò)、高性能計(jì)算、存儲(chǔ)網(wǎng)絡(luò)的

21、整合Unified Fabric統(tǒng)一交換平臺(tái)Data Center EthernetDCE網(wǎng)絡(luò)綠色數(shù)據(jù)中心易于管理維護(hù)升級(jí)最大程度的資源整合，為虛擬化、自動(dòng)化打下基礎(chǔ)LANSAN BHPC、LAN、SAN合一10GE DCE / FCoEAccess LayerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerS

22、erverServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerServerEthernetCopper10GE40GE100GEDCE/FCoE. . . . .Nexus 5000Nexus 7000DCB and FCoE standard statusFeature / StandardStandards StatusPriority Flow Control (PFC)IEEE 802.1Qbb (part of IEEE DCB)PAR Approved,

23、Editor Claudio DeSanti (Cisco)Draft 1.0 PublishedExpected WG Ballot 11/2009Bandwidth ManagementIEEE 802.1Qaz (part of IEEE DCB)PAR Approved, Editor Craig Carlson (QLogic)Draft 0.2 PublishedExpected WG Ballot 11/2009Congestion ManagementIEEE 802.1QauPAR Approved, Editor Norman Finn (Cisco)Advanced De

24、velopment Draft 1.2 PublishedExpected Approval 04/2009Data Center Bridge Exchange Protocol DCBXThis is part of Bandwidth Management (IEEE 802.1Qaz)Fibre Channel over Ethernet (FCoE)T11 FC-BB-5 v2.0Standardized In T11.3 FC-BB-5 Working GroupChair: Claudio DeSanti (Cisco)Editor: Dave Peterson (Brocade

25、)Started in April 2007Stable Frame Format in August 2007Address Agreement in February 2008Letter Ballot passed on November 14th, 2008StandardizedJune 2009!L2 Multipath for Unicast & MulticastTRILL is an IETF Working Group Standard Expected to be complete in 2010Unified Fabric Adoption is Acceleratin

26、g!FCoE standard complete!T11 expected to send the standard to INCITS for publication on June 4thServer platform vendors support FCoECisco UCS and Dell are shipping FCoE switches and adapters todayIBM and HP have announced support All major ecosystem players support FCoESecond generation Converged Ne

27、twork Adapters (CNAs) announced with broad platform supportHow does it look like from a Server?Today Server I/O NetworkingServer I/O Networking with FCoENICs connect servers to LAN HBAs connect servers to SAN Requires multiple I/O adapters and cablesConsumes more power, cooling and footprintFCoE dep

28、loyed with 10 GigECNAs replace NICs and HBAsFCoE switch attaches to LAN Servers attach via ISLs from the FCoE switch to SAN (Storage direct connect certification in progress)Ethernet LANFC HBAFC HBANIC-1GigENIC-1GigENIC-1GigENIC-1GigEFCSANFCoECNA-10GigECNA-10GigENexus 5000SANLANNexus 5000 Unified Fa

29、bric 帶來的好處Reduce overall Data Center power consumption and extend the lifecycle of current data center.Wire hosts once to connect to any network - SAN, LAN, HPC. Faster rollout of new apps and services. Drive storage consolidation and improve utilization because every host will be able to mount any

30、storage target Increasing SAN attach rate.Accelerate VM deployments and provides per VM high performance switching for scaling. VMW ESXVM #4VM #3ServerVM #2VM #1VN-LinkNexus 5000VIS Nexus Switch with VN-LinkHardware BasedAllows scalable hardware-based implementations through hardware switchesStandar

31、ds-based initiative: Cisco & VMware proposal in IEEE 802 to specify “Network Interface Virtualization”Combines VM and physical network operations into one managed node下一步：虛擬化 Nexus 5000 operated as VIS (Virtual Interface Switch)vnicvethVN-LinkHardware VNtag Initiator Software VNtag Initiator (e.g. N

32、exus 1000V)-Receives VN-Tagged Frames from initiator-Maps VNTag to virtual ethernet interface-Configuration, policy, statistics managed centrally from Nexus 5000服務(wù)器虛擬化的問題VMotionvSwitchvSwitchvSwitchVMotion 可以在物理端口上遷移虛擬機(jī) 端口策略必須能跟隨虛擬機(jī)一起遷移無法針對(duì)本地的交換流量進(jìn)行查看和使用策略需要網(wǎng)絡(luò)和虛擬化管理的協(xié)同工作VLAN101Virtual Center可擴(kuò)展的高速交換

33、解決方案基于標(biāo)準(zhǔn)協(xié)議，提供硬件實(shí)現(xiàn)的虛擬機(jī)交換把虛擬機(jī)和物理網(wǎng)絡(luò)統(tǒng)一為一個(gè)管理節(jié)點(diǎn)VMW ESXVM #4VM #3服務(wù)器VM #2VM #1InitiatorNexus 5000支持VMWare ESX的Cisco軟件交換機(jī)兼容所有交換平臺(tái)提供了VirtualCenter用于服務(wù)器管理和網(wǎng)絡(luò)管理VMW ESXVM#1VM #4VM #3服務(wù)器VM #2NICNICLANNexus 1000VNexus 1000V實(shí)現(xiàn)基于策略的VM連通性虛擬化網(wǎng)絡(luò)域兩個(gè)互補(bǔ)的方案解決不斷變化的用戶需求Nexus 5000 with VN-Link(基于硬件的解決方案)Cisco Nexus 1000V(基于軟

34、件的解決方案)發(fā)布Cisco創(chuàng)新技術(shù)VN-Link實(shí)現(xiàn)網(wǎng)絡(luò)和安全屬性的移動(dòng)性實(shí)現(xiàn)無中斷的運(yùn)行Cisco Nexus 1000V業(yè)界首個(gè)第三方虛擬 分布式交換機(jī)Nexus 1000V為VMWare ESX環(huán)境提供了增強(qiáng)的虛擬機(jī)交換能力提供了 VN-Link 特性:基于策略的虛擬機(jī)連通性管理網(wǎng)絡(luò)和安全屬性的可移動(dòng)性無中斷運(yùn)行確保在VMotion過程中虛擬機(jī)的可視性和連通性提高服務(wù)器虛擬化帶來的客戶收益VMW ESX服務(wù)器 1VMware vSwitch Nexus 1000VVMW ESXVMware vSwitch Nexus 1000V服務(wù)器 2Nexus 1000VVM #4VM #3VM #2VM #1VM #8VM #7VM #5VM #5VM #2VM #3VM #4VM #5VM #6VM #7VM #8VM #1VM #1Cisco Nexus 1000V 構(gòu)架Virtual Supervisor Module (VSM)虛擬或物理