Enterasys ANG-1000 Bedienungsanleitung PDF herunterladen (Seite 3)

Distributed Forwarding Engines (DFEs)

TheN-SeriesDistributedForwardingEngines(DFEs)supportover

18Gbpsofswitchcapacityperbladeanddeliverfullydistributed

switch management and route processing capabilities, where each

interface module is individually driven and managed by on-board

processors.Enterasysow-basednTERAASICs,togetherwithrmware

microprocessors, create a trafﬁc control solution that delivers high

performanceandexibility.ThisdistributedASIC-basedarchitecture

increases processing power as modules are added for a higher level of

scalability at signiﬁcantly smaller startup costs than competing solutions

whicharetypicallybuiltaroundcentralizedswitchfabricsandsupervisor

management modules.

DFEsareavailableinawidearrayofinterfacetypestoaddressvaried

networkrequirementsincluding10/100Base-TX,10/100/1000Base-

TX,100Base-FX,1000Base-X,and10-GigabitEthernet.SelectedDFE

modulesarealsoavailablewithintegratedPoE.SomeDFEsprovide

anaddedlevelofexibilitybyincludingNetworkExpansionModule

(NEM)slots.Thisfurthersimpliesnetworkdesignandreducesthecost

ofnetworkdeployments.CurrentNetworkExpansionModules(NEMs)

includesupportfortheN-SeriesSecurityModule,N-SeriesWireless

Controller,six1000Base-Xports,and10GigabitEthernetconnectivity.

Inadditiontoprovidingportexpansion,NetworkExpansionModules

allow enterprises to integrate security applications, including the

award-winningEnterasysIntrusionPreventiontechnology,directlyinto

theN-SerieschassiswiththeN-SeriesSecurityModule.TheN-Series

SecurityModuleisanopen,all-purposeprocessorthatprovides

the capability to add applications directly into the network switch

infrastructure.

DFEsaredesignedforimplementationfordifferentpositionswithin

network infrastructures, offering differentiated features and price points.

DiamondDFEshavebeenoptimizedforlarge-scale,multi-userpolicy

deployments in data center server farms and at the distribution and core

layersofthenetwork.DiamondDFEssupportthefullrangeofSecure

Networksfeatures,includingadvancedQualityofService(QoS)andper-

usertrafcratelimiting.Availablein10/100/1000,1000Base-X,and

10Gigabitcongurations;DiamondDFE’sincludeadditionalprocessing

power,memory,policycapacityexpansion,andadvancedroutinglicenses

for medium to large enterprise backbone and distribution-layer routing

applications.

PlatinumDFEssupportthefullrangeofSecureNetworksfeatures,but

are primarily designed for deployment in access and distribution roles,

withsupportforupto1000downstreamusers/devicesonasingleport

(2000perchassis)withfulldistributedfault-tolerancecapabilities.

Theadvancedroutinglicense(N-EOS-L3)andper-portpolicycapacity

license(N-EOS-PPC)canbepurchasedinordertoprovidesimilar

multi-userauthenticationandroutingscalabilityastheDiamondDFEs.

PlatinumDFEsprovideabroadrangeofEthernetconnectivityranging

from10/100to10GigabitEthernet,includingsupportforPowerover

Ethernet.GoldDFEsaredesignedspecicallyforhigh-density,10/100,

10/100/1000,and100FXnetworkedge/accessapplications,with

options for Power over Ethernet.

GoldDFEsdeliverscalableperformanceandexibilitytoensure

comprehensiveswitching,QoS,security,andbandwidthcontrol,

providing a more cost-effective option for customers deploying ﬂow-based

switchingattheedgeofthenetwork.GoldDFEssupporttwounique

usersperport(typicallyaworkstationandaVoIPhandset)incontrast

toPlatinumandDiamondwhichsupportupto1,000users/devices

perport.Throughanoptionalsoftwareupgrade(N-EOS-RED),Gold

DFEmodulescansupport1+1redundancyformission-criticalnetwork

applications.

High-Performance Distributed Architecture

The N-Series was designed from inception to support high availability

environments.TheN-Seriesbackplaneisapoint-to-pointmatrixdesign

with fully meshed inter-switch links that provide increased scalability and

performance. Since there are no active backplane components, there is

nosinglepointoffailure.Theinter-switchlinkscansupportupto80

Gbpsofswitchingcapacityperlink.Totalsystemaggregateswitching

capacityscalesto1.68Tbps.

The N-Series unique distributed architecture provides considerable

advantages when compared to solutions that rely on centralised

processing modules:

• N+6High-availability

• Performancescalesasmodulesareadded

• Inherentbackwardscompatibilityandfuture-proongprovidesmarket

leadingReturnonInvestment(ROI)

• Scalability:PortDensityandPerformance

• LowLatency:Eachmodulehasaconnectiontoeveryothermodule

• Modulesareautomaticallyupgradedandconguredastheyare

plugged into the system

Fully Distributed Passive Backplane

ArchitecturalOverview

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