网络设计与规划中英文对照外文翻译文献

网络设计与规划中英文对照外文翻译文献网络设计与规划中英文对照外文翻译文献(文档含英文原文和中文翻译)Service-OrientedNetworkArchitecture(SONA)ThechallengesfacingbusinessesAlthoughalargenumberofITcapitalinvestment,butmanycompanieshavefoundthatmostofthecriticalnetworkresourcesandinformationassetsremaininthefreestate.Infact,cannothavehundredsof"orphaned"applicationsanddatabasescommunicatewitheachotherisacommonbusinessphenomenon.Thisispartlyduetogrowinginternalandexternalcustomers,butduetounpredictabledemand.Manycompanieshavebeenforcedtorapidlydeploynewtechnologies,oftenleadingtothedeploymentofapluralityofdiscretesystems,andthuscannoteffectivelyshareinformationacrosstheorganization.Forexample,ifyoudonotcreatetheapplicationsandinformationtogethervariousoverlappingnetworks,sales,customerserviceorpurchasingdepartmentwillnotbeabletoeasilyaccesscustomerrecords.Manycompanieshavefoundthattheblindexpansionbroughtthemmultipleunderutilizedandirreconcilableseparationsystemsandresources.Thesedisparatesystemswhilealsodifficulttomanageandexpensivetoadminister.2.IntelligentInformationNetwork-TheCiscoAdvantageCiscoSystems,Inc.®WiththeIntelligentInformationNetwork(IIN)program,ishelpingglobalITorganizationssolvetheseproblemsandmeetnewchallenges,suchasthedeploymentofservice-orientedarchitecture,Webservicesandvirtualization.IINelaboratednetworkintermsofpromotingthedevelopmentofintegratedhardwareandsoftware,whichwillenableorganizationstobetteralignITresourceswithbusinesspriorities.Byintelligentbuiltintotheexistingnetworkinfrastructure,IINwillhelporganizationsachievelowerinfrastructurecomplexityandcostadvantages.3.PowerNetworksInnovativeITenvironmentfocusedonbytraditionalserver-basedsystemtodistributenewbusinessapplications.However,thenetworkisstilltransparentconnectivityandsupportITinfrastructureplatformforallcomponents.Cisco®Service-OrientedNetworkArchitecture(SONA),enterprisescanoptimizeapplications,processesandresourcestoachievegreaterbusinessbenefits.Byprovidingbetternetworkcapabilitiesandintelligence,companiescanimprovetheefficiencyofnetwork-relatedactivities,aswellasmorefundsfornewstrategicinvestmentsandinnovation.Standardizationreducestheamountofassetsneededtosupportthesameoperatingcosts,therebyimprovingassetefficiency.Virtualizationoptimizestheuseofassets,physicalresourcescanbedividedlogicallyforuseinallsectorsofthedispersion.Improvetheefficiencyoftheentirenetworkcanenhancetheflexibilityandscalability,andthenhaveahugeimpactonbusinessdevelopment,customerloyaltyandprofits-therebyenhancingtheircompetitiveadvantage.4.UsearchitecturetosucceedCiscoSONAframeworkillustrateshowcompaniesshoulddevelopintointelligentinformationnetworktoaccelerateapplications,businessprocessesandresources,andtoITtoprovideenterpriseswithbetterservice.CiscoSONACiscoandCiscopartnersolutionsintheindustry,servicesandexperiencetoprovideproven,scalablebusinesssolutions.CiscoSONAframeworkillustrateshowtobuildonthefullintegrationoftheintelligentnetworkintegrationsystem,inordertogreatlyimprovetheflexibilityandefficiency.Enterprisescandeploythisintegratedintelligenceamongtheentirenetwork,includingdatacenters,branchofficesandcampusenvironments.4-1CiscoService-OrientedNetworkArchitectureApplicationlayerBusinessapplicationCollaborativeApplicationsInteractiveserviceslayerApplicationNetworkingServicesAdaptiveManagementServicesInfrastructureServicesNetworkinfrastructurevirtualizationNetworkinfrastructurelayerParkBranchDataCenterWAN/MANTeleworkersServerMemoryClientIntelligentInformationNetwork

ApplicationlayerbusinessapplicationscollaborativeapplicationsInteractiveServicesLayerApplicationNetworkingServicesAdaptiveManagementServicesInfrastructureServicesNetworkinfrastructurevirtualizationNetworkinfrastructurelayerParkbranchofficedatacenterWAN/MANteleworkersClientserverstorageIntelligentInformationNetwork5.ThreelevelsofCiscoSONANetworkinfrastructurelayer,wherealltheITresourcesontheInternetconvergednetworkplatformInteractiveserviceslayer,theuseofnetworkinfrastructure,applicationsandbusinessprocessesefficientallocationofresourcesApplicationlayer,containsbusinessapplicationsandcollaborationapplications,takeadvantageoftheefficiencyofinteractiveservicesInthenetworkinfrastructurelayerofCisco'sprovenenterprisearchitectureprovidescomprehensivedesignguidethatprovidesacomprehensive,integratedend-systemdesignguidelinesforyourentirenetwork.Intheinteractiveserviceslayer,Ciscowillintegrateafull-serviceintelligentsystemstooptimizethedistributionbusinessandcollaborationapplications,therebyprovidingmorepredictable,morereliableperformance,whilereducingoperatingcosts.

Attheapplicationlayer,throughdeepintegrationwiththenetworkfabric,Ciscoapplicationnetworkingsolutionswithouthavingtoinstalltheclientorchangetheapplication,theentireapplicationdeliverywhilemaintainingapplicationvisibilityandsecurity.6.BuildbusinessadvantageofCiscoSONASimpler,moreflexible,integratedinfrastructurewillprovidegreaterflexibilityandadaptability,andthusalowercostforhighercommercialreturns.UseCiscoSONA,youwillbeabletoimproveoverallITefficiencyandutilization,therebyenhancingtheeffectivenessofIT,wecallnetworkmultiplicativeeffect.7.NetworkamplificationeffectZoomeffectreferstothenetworktohelpenterprisesenhancethecontributionofITacrosstheenterprisethroughCiscoSONA.OptimalefficiencyanduseITresourceswillbemorelow-costtoproducehigherimpactonthebusiness,sothatyournetworkofvalue-addedresourcesbecomeprofitable.Networkamplificationeffectiscalculatedasfollows:Efficiency=Cost÷ITassets(ITassetscost+operatingcosts)Utilizationpercentage(suchasthepercentageofavailablestoragebeingused)assetstototalassetsused=Effectiveness=EfficiencyxusageAssetEffectivenessNetworkamplifyingeffect=assets÷efficacywhenusingtheCiscoSONAwhennotinuseCiscoSONA8.InvestmentincomeCiscoAdvantageCiscoSONAinintelligentsystemsisnotonlytoimproveefficiencyandreducecosts.ByCiscoSONA,throughthepowerofyournetworkcanachieve:IncreaseinincomeandopportunityImprovedcustomerrelationsImprovebusinessresiliencyandflexibilityIncreaseproductivityandefficiencyandreducecosts9.Real-TimeDevelopmentByCiscoSONAtowardmoreintelligentintegratednetworkdevelopment,enterprisescanbecompletedinphases:integration,standardization,virtualizationandautomation.WorkingwithCiscochannelpartnerorcustomergroups,youcanusetheCiscoSONAframeworktodevelopablueprintforthedevelopmentofenterprises.WithrichexperienceinCiscoLifecycleManagementServices,aleadingpositioninthefieldofstandardization,matureenterprisearchitectureandcreatetargetedindustrysolutions,Ciscoaccountteamcanhelpyoumeetbusinessrequirementsinrealtime.10.ThedevelopmentoftheIntelligentInformationNetworkRoleofthenetworkisevolving.Tomorrow'sintelligentnetworkwillprovidemorethanbasicconnectivity,bandwidthandapplicationuseraccessservices,whichwillprovideendfunctionalityandcentralizedcontrol,toachievetrueenterprisetransparencyandflexibility.CiscoSONAenablesenterprisestoextendtheirexistinginfrastructure,towardsthedevelopmentofintelligentnetworktoaccelerateapplicationsandimprovebusinessprocesses.Ciscoprovidesdesign,supportandfinancingservicestomaximizeyourreturnoninvestment.服务导向网络架构(SONA)1．企业面临的挑战尽管投入大量IT资金，但许多企业发现大多数的关键网络资源和信息资产仍处于游离状态。事实上，拥有数百个无法彼此通信的"孤立"应用和数据库是常见的企业现象。这部分是由于内外部客户不断增长却无法预测的需求所致。许多企业都被迫迅速部署新技术，常导致部署多个分立系统，进而无法在机构内有效地共享信息。例如，如果不创建将应用和信息结合在一起的各种重叠网络，销售人员、客户服务人员或采购部门将无法轻松访问客户记录。许多企业都发现，这种盲目扩展为他们带来了多个未得到充分利用的、无法协调的分离系统和资源。这些分离的系统同时还难以管理且管理成本高昂。2．智能信息网络--思科优势思科系统公司®凭借智能信息网络(IIN)计划，正在帮助全球IT机构解决这些问题并迎接新挑战，如部署面向服务的架构、Web服务和虚拟化等。IIN详细阐述了网络在促进软硬件集成方面的发展，这将使机构能够更好地根据业务优先级来调整IT资源。通过将智能构建于现有网络基础设施之中，IIN将帮助机构实现降低基础设施复杂性和成本等优势。3．网络的力量IT环境的创新主要集中在通过传统的基于服务器的系统来分发新业务应用。然而，网络仍然是透明连接并支持IT基础架构的所有组件的平台。使用思科®服务导向网络架构(SONA)，企业可优化应用、流程和资源，来获得更大的商业利益。通过提供更出色的网络功能和智能，企业可提高与网络相关的各种活动的效率，同时将更多的资金用于全新的战略投资和创新。标准化降低了支持相同数量的资产所需的运营成本，进而提高了资产效率。虚拟化优化了资产的使用，可从逻辑上分割物理资源，以便在所有的分散部门中使用。整个网络效率的全面提高能够增强灵活性及可扩展性，进而对业务发展、客户忠诚度及利润产生巨大影响--从而提高企业的竞争优势。4．利用架构取得成功CiscoSONA架构阐述了企业应如何发展到智能信息网络，以便加速应用、业务流程和资源使用、并使IT能够为企业提供更好服务。CiscoSONA利用思科及思科合作伙伴在各行业的解决方案、服务和经验来提供公认的、可扩展的商业解决方案。CiscoSONA架构阐述了如何在全面融合的智能网络上构建集成系统，以便大幅度提高灵活性和效率。企业可将这种综合的智能特性部署在整个网络之中，包括数据中心、分支机构和园区环境。

图4-1

思科服务导向网络架构表4-1SONA网络架构应用层商业应用协作应用互动服务层应用网络服务自适应管理服务基础设施服务网络基础设施虚拟化网络基础设施层园区分支机构数据中心WAN/MAN远程工作人员服务器存储客户端智能信息网络

5．CiscoSONA的三个层次1.网络基础设施层，在此，所有的IT资源在融合网络平台上互联2.交互服务层，为利用网络基础设施的应用和业务流