网络工程毕业论文

******学士学位论文论文题目:企业网络工程规划与设计——系统实施院(部)名称:计算机科学与工程学院学生姓名:***专业:网络工程学号:********指导教师姓名:**论文提交时间:2012-4-20论文答辩时间:学位授予时间:******教务处制企业网络工程规划与设计——系统实施企业网络工程规划与设计——系统实施II摘要随着现代网络通讯技术的发展和应用，人类社会已经进入信息时代，世界逐渐数字化、网络化、共享化，不但个人的工作、学习和生活已经离不开网络，企业对计算机网络的依赖程度也变得越来越高。能否充分利用计算机网络的信息资源，已经成为衡量现代企业发展前景的一项重要指标。企业网络工程规划与设计包括网络需求分析、逻辑网络设计、物理网络设计、网络安全设计等内容。良好的企业网络规划与设计有助于企业实现办公信息化和设备数字化，从而降低投资成本，提高办公效率，为企业创造更多的社会效益和经济效益，进而促进企业发展，提高企业的核心竞争力。本文首先对企业网络需求进行了分析，并对企业组网技术及产品选型方法进行了详细介绍，然后重点阐述了企业网络分层设计原则及企业网络设计特性，最后采用思科模拟器设计和实现了该企业网络的建设规划及实施方案。关键词：网络规划与设计、逻辑网络设计、网络安全设计、网络分层设计、系统实施企业网络工程规划与设计——系统实施IIIPlanningandDesignofEnterpriseNetworkProject——SystemImplementationAbstractWiththedevelopmentandapplicationofmodernnetworkcommunicationtechnology,humansocietyhasenteredintotheinformationage.Theworldhasbecomedigital、networkingandsharing.Notonlypeoplecan'twork、liveorstudywithoutnetwork,butalsoenterprisesbecomemoreandmoredependonthecomputernetwork.Ithasbecomeanimportantindextomeasurethemodernenterprises'prospectswhethertheycanusetheinformationresourcesofthenetworkwealthy.Theenterprisenetworkplanninganddesignincludesnetworkdemandanalysis、logicnetworkdesign、physicalnetworkdesign、networksecuritydesignandsoon.Agoodenterprisenetworkplanninganddesigndoesgoodtomaketheofficeinformationalandthedevicedigitalandthenreducetheinvestmentcost,improveofficeefficiency,makemoresocialbenefitsandeconomicbenefitsfortheenterprise,promotethedevelopmentoftheenterpriseandimprovethecorecompetitivenessoftheenterprise.Thispaperfirstanalysetherequirementoftheenterprisenetwork,introducethetechnologyoftheenterprisenetworkandtheselectionmethodoftheproductsindetail,thenexpoundtheprinciplesofthenetworkhierarchyandthecharacteristicsoftheenterprisenetworkdesignasthefocalpoint,andfinallydesignthenetworkplanningandimplementationplanbyusingtheCiscoPacketTracer5.3.KeyWords：NetworkPlanningandDesign、LogicNetworkDesign、NetworkSecurityDesign、NetworkHierarchyDesign、SystemImplementation企业网络工程规划与设计——系统实施IV目录1.前言................................................................................................................................11.1本课题目的..........................................................................................................11.2本课题意义..........................................................................................................12.企业网络需求分析........................................................................................................22.1用户需求分析......................................................................................................22.2企业网络的设计目标..........................................................................................22.3网络设计指导思想..............................................................................................33.组网技术及产品选择....................................................................................................63.1组网技术选择......................................................................................................63.2网络设备选型......................................................................................................63.2.1稳定可靠性...............................................................................................63.2.2易扩展性...................................................................................................63.2.3安全性.......................................................................................................73.2.4易于控制管理...........................................................................................73.2.5符合IP发展趋势的网络..........................................................................74.企业网络设计方案及分析............................................................................................84.1网络分层设计原则..............................................................................................84.1.1核心层.......................................................................................................84.1.2汇聚层.......................................................................................................84.1.3接入层.......................................................................................................94.2企业网络方案特性分析......................................................................................94.2.1高性能的网络设计...................................................................................94.2.2集成的用户管理功能...............................................................................94.2.3灵活的网络的可扩展性.........................................................................104.2.4可靠的网络安全设计.............................................................................104.2.5方便的网络管理和维护.........................................................................104.3系统平台和应用系统........................................................................................114.3.1系统平台选择.........................................................................................114.3.2服务器选择................................................................