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Arista Networks “A New Era of Networking”Chris BowlesConsolidate ITchris.bowles@consolidate-it.eu 44 7796 947281

Arista Overview Focus on Cloud Networking, HPC and 10 Gigabit Ethernet Launched Arista Networks and management team in Oct 2008 100 Employees and Sales Associates 250 customers Architectural Shift to Cloud Designs Award Winning Products & Differentiators Experienced Management and World Class Engineering TeamNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential5

Arista 7124S Wins 10GbE Data Center Switch Shootout!Jan 18, 2010Arista Networks DCS-7124SScore: 4.29Win vs Cisco Nexus 5010, Extreme, HP, BNT and DellSummary Scores: results.htmlNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential6

Ethernet Market Evolution20082008:10GBASE-T2002199919981998: IEEE1000BASE-SX1995: IEEE 100BASE-TX1983198010GbEthernet1999: IEEE1000BASE-T199519902002: IEEE802.3ae1990: IEEE 10BASE-TGigabitEthernetFastEthernet1983: IEEE 10BASE-51980: Intel, DEC, Xeroxpublish Ethernet spec.November 2008 2008 Arista Networks. All rights reserved.EthernetArista Confidential1010

10 GbE Market Growth Drivers10 GbE server attachmentwill grow dramatically in thenext 24 months due to:Storage over Ethernet(NFS, iSCSI, NAS)Applications demandinglower latency and morethroughputGrowth in highperformance/technical computing10GbE optimized nextgen server CPUs10GbE on next generationserver motherboardsNovember 2008 2008 Arista Networks. All rights reserved.Historically, the inflection point foradopting the next generationEthernet speed was 2-3X the priceper port of previous speedArista Confidential13

New Applications Need New Network BehaviorsHigh Frequency TradingInternet ExchangeDOE/Public SectorLife ScienceWeb 2.0, Public CloudPetroleumNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential14

Arista 7000 Family PortfolioEOS)(metsySperatingOleibsnExteManages VMwareVirtual SwitchesProvides visibilityand consistencybetween physical,virtual, and cloudnetworksNovember 200848-port DataCenter ClassGigabit EthernetSwitchAdvancedcongestion controland avoidance forbursty andmission-criticaltraffic 2008 Arista Networks. All rights reserved.Ultra Low Latency24/48-port 1/10GbSFP LeafSwitchesBest possibleperformance forlatency sensitiveHPC and TradingApplicationsArista ConfidentialDense 24/48-port1/10GBASE-TData CenterSwitchesPrepares thenetwork for future10Gb deploymentswith multi-speed10Gb on existingcable plants48-port Wire-Rate1/10Gb SFP Data CenterSwitchHighest Densitywire-rate 1/10Gbswitch for highperformancenetworkaggregation17

A Closer Look – Arista 7100 Series7148SX Front ViewUSBPortConsolePortDual MgmtPortsSFP or SFPPortsAirVents7148SX Rear ViewNovember 2008 2008 Arista Networks. All rights reserved.Arista ConfidentialN 1 HotSwappableFans1 1 HotSwappablePower19

Fiber Optics and Copper Cabling10GbE Cables10GbE SFP SFP TypeMediaMaxDistanceCable TypeGbE SFPMediaMaxDistanceSFP TypeMediaMaxDistance(SFP connectorsat both BASE-CRTwinaxCable5mNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential20

10GBASE-T Cabling DistancesCategory 5e100m – 1000BASE-TUp to 55m* - 10GBASE-TCategory 6100m – 1000BASE-T55m - 10GBASE-TCategory 6a & 7100m – 1000BASE-T100m - 10GBASE-T* Performance of 10GBASE-T over Cat-5e cabling is not specified in the standardand thus cannot be guaranteed. Field testing is recommended before deploymentto establish the feasibility of using existing Cat-5e cablingNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential21

Integrated L4-L7 Citrix NetScalerSpine SwitchesSpine SwitchesSecurityApplianceL4-7ApplianceLeaf Switches(Top of Rack)Rack 2Traditional Deployment ModelNovember 2008 2008 Arista Networks. All rights reserved. Rack 1 VPX Leaf Switches(Top of Rack)VPXRack 1Rack 2Embedded 7048 Deployment ModelArista Confidential22

Arista EOS Extensible Operating CLICLI, SNMP, HTTP,AAA, IGMP, OSPF,Bridging, Spanning TreeSecure Shell, SysLogon top of Real time kernelProtected OS KernelSwitch HardwareSwitch HardwareLegacy ApproachArista EOSAll tasks directly linked to,and released as part of kernelAll tasks separate processeson top of embedded LinuxNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential24

Fault Containment and Self HealingAgentAgentProcMgrSysdbSwitchASICSwitch1. The agent experiences a fault.The agent exits without affecting packet forwarding or other processes.2. ProcMgr detects process exit and starts a new agent instance.Packet forwarding continues.3. The new agent loads its state from Sysdb without data path disruption.4. The system resumes normal operation.November 2008 2008 Arista Networks. All rights reserved.Arista Confidential26

EOS Open ExtensibilityNewAgents3rd party agent(Provisioning)New Extensions(Network Services)OSPFSNMPCLI3rd party mgmtsystemSTPSysdbLAGASIC driverLEDNew agent(PTP, Fping,PXE Boot)Protected OS KernelSwitch HardwareNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential27

MLAG – Multichassis Link Aggregation Group LAG group spread across two switches Two switches in MLAG an domain behave as logical switch STP runs in the background as a fallback only No idle links or manual load balancingNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential29

vEOS Workflow and Operations1. Provides familiar CLI to network admin2. vSphere integration for VM adminAppOSAppOSAppOSAppOS3. Auto-discovers virtual infrastructure4. Integrates with vSphere/vCenter for per-VMpolicy assignment and vConverter P2V events5. Creates and manages distributed port profilesfor physical-virtual-cloud service mapping6. Keeps policy and accounting consistentvSwitchVSPHEREvEOSNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential31

At a Glance: vEOSform factorVirtual appliance, or anintegrated on Arista SwitchvEOS64 hosts per vEOS instancevEOSvEOSscale 0 64-host, visibility and troubleshooting licensevEOSlicensing 64-host, network configuration license Full vEOS license in Arista 7000 FamilyvEOS 0 Open Beta in Q1’10 Register at www.aristanetworks.com/veos/betabetaNovember 2008 5000 2008 Arista Networks. All rights reserved.Arista Confidential32

Legacy al Latency4:1Nexus 700040us when notoversubscribed40us50us4:14:1Catalyst 650050 us latency fromone linecard toanother8us Latency is too high when there is congestion due to queuing delays. Within rack latency is 8us on average Inter-rack latency is 66us for near-by racks (same 6509) Oversubscription of 16:1 to as high as 50 to 1November 2008 2008 Arista Networks. All rights reserved.Arista Confidential4948-10GEStore-and-forward4 to 15us latencybased on packetsize34

Cloud Network: DesignNon-BlockingTypicalLatency1:140usPorts provisionedbased on traffic in/out of Datacenter1.2us1:1Arista 7148SX Spine2.9us1:1Arista 7140T-8S Leaf Non-blocking & Ultra-low latency Within rack latency is 2.9us Inter-rack latency is 3.6us (7148SX leaf) or 7us (7140T leaf) Only touch core when going in/out of datacenterNovember 2008 2008 Arista Networks. All rights reserved.Arista Confidential36

Legacy Network Design vs Cloud Design.1,100 10GigE ports!11,000 1GigE ports!Oversubscrip onInter- ‐RackLatencyPriceper1GigabitEthenetconnec ontoserverLegacy ApproachArista16:166- ‐136us1:1(none) 7us 3000 ber 2008 2008 Arista Networks. All rights reserved.Arista Confidential37

Network architectures are changingIncumbents are over-burdenedsupporting their legaciesIntel Nehalem, PCIe, and SSDdemand a balanced networkFocus where IT is maximizingbusiness valueNovember 2008 2008 Arista Networks. All rights reserved.Arista ConfidentialChris BowlesConsolidate ITchris.bowles@consolidate-it.eu39 44 7796947281

Arista EOS Extensible Operating System Legacy Approach All tasks directly linked to, and released as part of kernel Switch Hardware Switch Hardware CLI, SNMP, HTTP, AAA, IGMP, OSPF, Bridging, Spanning Tree Secure Shell, SysLog on top of Real time kernel Protected OS Kernel CLI g Arista EOS All tasks separate processes on top of embedded Linux