*XXXX学校千兆校园网设计方案
校园计算机网络已成为学校办学的基础设施和必备条件。公众信息电脑公司立足中国，服务教育。以开发教育软件和网络集成为主、推进教育教学信息化和现代化为主要经营方向的综合型企业。*经过广泛的市场调研，针对中等学校办学特点和应用需求，我公司开发出“中等学校千兆校园网整体解决方案”。该方案以千兆主干网络为基础平台，以校园网应用为主线，以实现广泛的教育资源共享、提高教育教学的现代化水平为目的，为建设信息化学校提供了一个完整的解决方案。*针对不同类型的学校，公众信息公司在其专业教育信息网站(wwwcnool.net)为整个学校的办公自动化、教育管理、图书馆管理、多媒体教学及远程教育提供了一个信息网络平台。*做为一个典型的案例，XX学校千兆校园网的建设，可以充分展示公众信息校园网解决方案是如何帮助中小学学校运用现代教育技术，进行现代化的教学的。其中包括学校对信息化建设的要求，以及在网络技术上是如何实现的。*XX学校千兆校园网全面解决方案，由公众信息公司网络工程部负责设计与实施，这是一个整体规划、分步实施、充分考虑现有设备与实际资金情况的方案。第一步，先建立网络中心和主干网，然后建立学校的信息管理网络、教学网络、图书管理网络和电子阅览室各应用子系统，并进行教学楼、办公楼、图书馆的结构化布线，将网络扩展到整个校园。第二步，在所有的教室安放计算机和电视机，进行多媒体教学，实现校园网的全部功能，最后通过路由器与CERNET和Internet接入。该方案充分考虑到学校的应用和资金情况，具有较高的科学性和参考价值。
■校园网建设核心*在设计过程中，设计者充分考虑到教育管理和多媒体教学的要求，并且网络技术上应该具有一定的先进性，同时还要为以后的扩展留有一定的空间。为此校园网应该能达到以下要求：*●网络具有传递语音、图形、图像等多种信息媒体功能，具备性能优越的资源共享功能；*●校园网中各终端间具有快速交换功能；*●中心系统交换机采用虚拟网技术，对网络用户具有分类控制功能；*●对网络资源的访问提供完善的权限控制；*●网络具有防止及便于捕杀病毒功能，以保证网络使用安全；*●校园网与Internet网相连后，应具有“防火墙”过滤功能，以防止网络黑客入侵网络系统；*●可对接入因特网的各网络用户进行权限控制。
■校园网硬件设计*1校园网主干网络*在XX学校千兆校园网方案中，采用基于第三层交换的千兆以太网作为校园网主干。在本方案中，主干交换机采用Lucent公司CajunP550交换机。它属于第三层千兆以太网路由交换机，内部集成路由功能，具备高容量、无阻塞、优质的管理能力和可靠的多媒体支持等特点。将千兆以太网交换、快速以太网交换、以太网交换以及路由都集成到一个交换机中，使得交换机的功能十分强大。*节点交换机和主干交换机之间通过千兆光纤连接。*教学楼采用CajunP330交换机作节点交换机，实验楼采用CajunP120交换机作节点交换机，组成快速以太工作组网。*2网络服务器*网络服务器包括文件服务器、Internet服务器、网管工作站，以及面向全校使用的小型机等。*服务器根据学校的要求分别选择了ToshibaMagnia5100和3010服务器。*3干线光纤*在校园网中，此次需敷设二条主干光缆，采用的是多芯室内铠装多模光缆，分别敷设在科研楼到教学楼和科研楼到实验楼。*4结构化综合布线*本方案中，我们采用LucentTechnologies的SystimaxSCS综合布线产品。*依据结构化布线原则，本着达到布局美观的效果，楼宇间的布线采用光纤，各楼层的布线走PVC管或在天花板内走线，并在结构化布线系统中的信息插座留有一定的冗余度，以确保日后终端设备位置调整和网络扩展的需要。*5广域网互联和网络安全*广域互联也是本设计的重点，本方案中使用PortMaster2R通过一条DDN专线，将校园网接入中国教育科研网CERNET，从而进入国际互联网Internet。*为保证网络安全，防止黑客非法侵入网络，网络必须提供IP防火墙，PortMaster2R，内置防火墙，可有效地保证网络的安全。*6应用子网及网络互连*XX小学校园网除网络主干外，还拥有教育管理子网、图书馆管理子网、电子阅览室子网、计算中心子网等。对于已有的子网只需要通过节点交换机的10M/100M以太网接口与该子网的集线器或交换机相连即可。*7网络管理及系统软件*本方案全部采用智能网络设备,并通过网络管理协议传送给管理设备。本方案采用Lucent基于WindowsNT平台的Cajun*View软件，通过网络管理工作站，对整个网络的智能设备进行有效的图形管理。
本方案使用的系统软件如下：*●网络平台：WindowsNTServer4.0中文版，工作站端用Pwin98；*●数据库开发平台：MicrosoftSQLServer7.0；*●邮件通讯软件：MicrosoftExchangeServer5.5；*●应用软件包括：*●多媒体视频广播软件：HYcast*●多媒体教学及课件制作软件：HYmedia*●多媒体视频点播软件：HYVOD
■校园网应用*1校园网管理信息系统*中国基础教育校园网集成系统CFES面向全校，覆盖教育行政管理、图书馆管理、后勤管理和互联网连接等领域，分为教学管理、学生管理、行政管理、通用服务、互联网络和图书馆管理等分系统，以及教务管理、教师管理、教材管理、设备管理、学籍管理、考绩管理、人事管理、文书管理、综合查询、通用查询、电子邮件、远程登录、图书编目、图书流通、图书检索和馆长查询等近七十个管理子系统。*CFES集管理、教学和科研为一体，是中等专业学校信息化的全面解决方案。CFES软件采用了新的开发平台（ASP）和数据库平台（SQLServer），软件设计采用了C/S和B/S结构。系统运行平台为中文WINDOWS,软件风格统一的可视化图形界面，丰富的联机帮助，操作简便，使操作人员轻松上手。*2校园网计算机教学系统*计算机教学系统主要包括多媒体网络教室、多媒体视频点播、多媒体视频广播系统。XX学校做为一所重点育人单位，在教学思想和教学手段上都有其独到之处。针对其具体情况，华育为学校设计了一个能够充分实现学校先进教育思想的一个现代化的教学平台，该方案实现了多媒体网络教学功能。它采用华育自有的多媒体教学软件，即华育多媒体视频点播系统和多媒体视频广播系统。充分利用校园网高带宽的优势，在计算机数据网络中实现了校园闭路电视的全部功能，可以对观摩教室进行现场直播，为现代化教学提供了一个新的平台。*3校园网站*校园网不是一个独立的、封闭的体系，校园网与Internet互连后，校园网用户在权限允许的范围内可以使用Internet上的Web访问、Email收发、FTP、Telnet、BBS、新闻组、讨论组、个人主页等服务。*校园网站连接Internet，用于宣传学校形象、教学信息发布、提供信息查询等，以后可成为网上教学的渠道。网站主页的设计，主要由老师创意，学生制作，体现学生的创造性，培养学生的动手能力。*■方案特点*综合网络技术的发展,并在对学校的需求进行了详细的分析之后，证明XX学校的校园网方案具有先进性、可扩展性、开放性、安全性、可管理性和丰富的应用等特点。
■校园网拓扑图

(*XXXX school Gigabit Campus Network Design Scheme
Campus computer network has become the infrastructure and necessary condition for running a school. The public information computer company is based in China and serves education. It is a comprehensive enterprise focusing on the development of educational software and network integration, and promoting the informatization and modernization of education and teaching* After extensive market research, aiming at the characteristics and application needs of secondary schools, our company has developed the "overall solution of Gigabit Campus Network for secondary schools". The scheme takes Gigabit backbone network as the basic platform, takes the campus network application as the main line, and aims to realize the wide sharing of educational resources and improve the modernization level of education and teaching. It provides a complete solution for the construction of information-based schools* For different types of schools, the public information company provides an information network platform for office automation, education management, library management, multimedia teaching and distance education in its professional education information website (wwwcnool.net)* As a typical case, the construction of the Gigabit Campus Network of XX school can fully demonstrate how the public information campus network solution can help primary and secondary schools to use modern educational technology for modern teaching. It includes the requirements of the school for information construction and how to realize it in network technology* The comprehensive solution for the Gigabit Campus Network of XX school is designed and implemented by the network engineering department of the public information company. This is a plan that is planned as a whole, implemented step by step, and takes full account of the existing equipment and actual funds. The first step is to establish the network center and backbone network, then establish the school's information management network, teaching network, library management network and various application subsystems of the electronic reading room, and carry out the structured wiring of the teaching building, office building and library, so as to extend the network to the whole campus. The second step is to install computers and televisions in all classrooms, carry out multimedia teaching, realize all the functions of the campus network, and finally connect with CERNET and Internet through routers. The program fully takes into account the application and funding of the school, and has high scientific and reference value.
■ the core of campus network construction * in the design process, the designer fully considers the requirements of education management and multimedia teaching, and the network technology should be progressiveness to a certain extent, while leaving a certain space for future expansion. Therefore, the campus network should meet the following requirements: * ● the network has the functions of transmitting voice, graphics, images and other information media, and has the resource sharing function with superior performance* ● each terminal in the campus network has a fast switching function* ● the central system switch adopts virtual network technology and has classified control function for network users* ● provide perfect authority control for access to network resources* ● the network has the function of preventing and killing viruses to ensure the safety of network use* ● after the campus network is connected to the Internet network, it shall have the "firewall" filtering function to prevent network hackers from invading the network system* ● it can control the authority of each network user accessing the Internet.
■ campus network hardware design *1 campus network backbone network * in the Gigabit Campus Network Scheme of XX school, Gigabit Ethernet based on layer 3 switching is used as the campus network backbone. In this scheme, the backbone switch adopts the cajunp550 switch of Lucent company. It is a layer 3 Gigabit Ethernet routing switch with internal integrated routing function. It has the characteristics of high capacity, non blocking, high-quality management ability and reliable multimedia support. Gigabit Ethernet switching, fast Ethernet switching, Ethernet switching and routing are all integrated into one switch, which makes the switch very powerful* Node switches and backbone switches are connected through gigabit optical fiber* The teaching building adopts cajunp330 switch as the node switch, and the experimental building adopts cajunp120 switch as the node switch to form a fast Ethernet work network* 2 network server * network server includes file server, Internet server, network management workstation, and minicomputer for the whole school* Toshibamagnia5100 and 3010 servers are selected for the server according to the requirements of the school* 3 trunk optical fiber * in the campus network, two trunk optical cables are required to be laid this time, which are multi-core indoor armored multi-mode optical cables, which are respectively laid from the scientific research building to the teaching building and from the scientific research building to the experimental building* 4 structured generic cabling * in this scheme, we use the SYSTIMAXSCS generic cabling product of lucenttechnologies* According to the principle of structured wiring, in order to achieve the effect of beautiful layout, the wiring between buildings adopts optical fiber, the wiring on each floor is in PVC pipe or in the ceiling, and a certain degree of redundancy is reserved in the information socket in the structured wiring system, so as to ensure the need for future terminal equipment location adjustment and network expansion* 5. Wide area network interconnection and network security * wide area interconnection is also the focus of this design. In this scheme, portmaster2r is used to connect the campus network to China Education and Research Network CERNET through a DDN dedicated line, so as to access the Internet* To ensure network security and prevent hackers from illegally invading the network, the network must be provided with an IP firewall, portmaster2r, and a built-in firewall, which can effectively ensure network security* 6 application subnet and network interconnection *xx primary school campus network has education management subnet, library management subnet, electronic reading room subnet, computing center subnet, etc. in addition to the network backbone. For the existing subnet, you only need to connect with the hub or switch of the subnet through the 10m/100m Ethernet interface of the node switch* 7 network management and system software * this scheme adopts intelligent network devices and transmits them to management devices through network management protocols. This scheme adopts Lucent cajun*view software based on WindowsNT platform to effectively manage the graphics of intelligent devices in the whole network through the network management workstation.
The system software used in this scheme is as follows: * ● network platform: windowsntserver4.0 Chinese version, and pwin98 is used at the workstation end* ● database development platform: microsoftsqlserver7.0* ● mail communication software: microsoftexchangeserver5.5* ● application software includes: * ● multimedia video broadcasting software: hycast* ● multimedia teaching and courseware making software: hymedia* ● multimedia video on demand software: hyvod
■ campus network application *1 campus network management information system * China basic education campus network integration system cfes faces the whole school, covering the fields of educational administration, library management, logistics management and Internet connection. It is divided into teaching management, student management, administrative management, general service, Internet and library management, as well as educational administration management, teacher management, textbook management, equipment management, student status management, performance appraisal management There are nearly 70 management subsystems, including personnel management, document management, comprehensive query, general query, e-mail, remote login, book cataloguing, book circulation, book retrieval and librarian query* Cfes integrates management, teaching and scientific research. It is a comprehensive solution for the informatization of secondary professional schools. Cfes software adopts new development platform (ASP) and database platform (sqlserver), and the software design adopts c/s and b/s structures. The operating platform of the system is Chinese windows. The visual graphical interface with unified software style, rich online help and simple operation make it easy for operators to start* 2 campus network computer teaching system * computer teaching system mainly includes multimedia network classroom, multimedia video on demand and multimedia video broadcasting system. As a key educational unit, XX school has its own unique teaching ideas and means. According to its specific situation, Huayu has designed a modern teaching platform for the school, which can fully realize the advanced educational ideas of the school. The program has realized the multimedia network teaching function. It adopts Huayu's own multimedia teaching software, namely Huayu multimedia video on demand system and multimedia video broadcasting system. Taking full advantage of the high bandwidth of the campus network, we have realized all the functions of the campus closed-circuit television in the computer data network. We can live broadcast the observation classroom and provide a new platform for modern teaching* 3 campus website * campus network is not an independent and closed system. After the campus network is interconnected with the Internet, campus network users can use web access, email receiving and sending, FTP, Telnet, BBS, newsgroups, discussion groups, personal home pages and other services on the Internet within the scope of permission* The campus website is connected to the Internet, which is used to publicize the school image, publish teaching information, provide information query, etc. in the future, it can become a channel for online teaching. The design of the home page of the website is mainly made by teachers and students to reflect students' creativity and cultivate students' practical ability* ■ program features * the development of integrated network technology, and after a detailed analysis of the needs of the school, it is proved that the campus network program of XX school has the characteristics of progressiveness, scalability, openness, security, manageability and rich applications.
■ campus network topology)

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*XXXX学校千兆校园网设计方案
校园计算机网络已成为学校办学的基础设施和必备条件。公众信息电脑公司立足中国，服务教育。以开发教育软件和网络集成为主、推进教育教学信息化和现代化为主要经营方向的综合型企业。*经过广泛的市场调研，针对中等学校办学特点和应用需求，我公司开发出“中等学校千兆校园网整体解决方案”。该方案以千兆主干网络为基础平台，以校园网应用为主线，以实现广泛的教育资源共享、提高教育教学的现代化水平为目的，为建设信息化学校提供了一个完整的解决方案。*针对不同类型的学校，公众信息公司在其专业教育信息网站(wwwcnool.net)为整个学校的办公自动化、教育管理、图书馆管理、多媒体教学及远程教育提供了一个信息网络平台。*做为一个典型的案例，XX学校千兆校园网的建设，可以充分展示公众信息校园网解决方案是如何帮助中小学学校运用现代教育技术，进行现代化的教学的。其中包括学校对信息化建设的要求，以及在网络技术上是如何实现的。*XX学校千兆校园网全面解决方案，由公众信息公司网络工程部负责设计与实施，这是一个整体规划、分步实施、充分考虑现有设备与实际资金情况的方案。第一步，先建立网络中心和主干网，然后建立学校的信息管理网络、教学网络、图书管理网络和电子阅览室各应用子系统，并进行教学楼、办公楼、图书馆的结构化布线，将网络扩展到整个校园。第二步，在所有的教室安放计算机和电视机，进行多媒体教学，实现校园网的全部功能，最后通过路由器与CERNET和Internet接入。该方案充分考虑到学校的应用和资金情况，具有较高的科学性和参考价值。
■校园网建设核心*在设计过程中，设计者充分考虑到教育管理和多媒体教学的要求，并且网络技术上应该具有一定的先进性，同时还要为以后的扩展留有一定的空间。为此校园网应该能达到以下要求：*●网络具有传递语音、图形、图像等多种信息媒体功能，具备性能优越的资源共享功能；*●校园网中各终端间具有快速交换功能；*●中心系统交换机采用虚拟网技术，对网络用户具有分类控制功能；*●对网络资源的访问提供完善的权限控制；*●网络具有防止及便于捕杀病毒功能，以保证网络使用安全；*●校园网与Internet网相连后，应具有“防火墙”过滤功能，以防止网络黑客入侵网络系统；*●可对接入因特网的各网络用户进行权限控制。
■校园网硬件设计*1校园网主干网络*在XX学校千兆校园网方案中，采用基于第三层交换的千兆以太网作为校园网主干。在本方案中，主干交换机采用Lucent公司CajunP550交换机。它属于第三层千兆以太网路由交换机，内部集成路由功能，具备高容量、无阻塞、优质的管理能力和可靠的多媒体支持等特点。将千兆以太网交换、快速以太网交换、以太网交换以及路由都集成到一个交换机中，使得交换机的功能十分强大。*节点交换机和主干交换机之间通过千兆光纤连接。*教学楼采用CajunP330交换机作节点交换机，实验楼采用CajunP120交换机作节点交换机，组成快速以太工作组网。*2网络服务器*网络服务器包括文件服务器、Internet服务器、网管工作站，以及面向全校使用的小型机等。*服务器根据学校的要求分别选择了ToshibaMagnia5100和3010服务器。*3干线光纤*在校园网中，此次需敷设二条主干光缆，采用的是多芯室内铠装多模光缆，分别敷设在科研楼到教学楼和科研楼到实验楼。*4结构化综合布线*本方案中，我们采用LucentTechnologies的SystimaxSCS综合布线产品。*依据结构化布线原则，本着达到布局美观的效果，楼宇间的布线采用光纤，各楼层的布线走PVC管或在天花板内走线，并在结构化布线系统中的信息插座留有一定的冗余度，以确保日后终端设备位置调整和网络扩展的需要。*5广域网互联和网络安全*广域互联也是本设计的重点，本方案中使用PortMaster2R通过一条DDN专线，将校园网接入中国教育科研网CERNET，从而进入国际互联网Internet。*为保证网络安全，防止黑客非法侵入网络，网络必须提供IP防火墙，PortMaster2R，内置防火墙，可有效地保证网络的安全。*6应用子网及网络互连*XX小学校园网除网络主干外，还拥有教育管理子网、图书馆管理子网、电子阅览室子网、计算中心子网等。对于已有的子网只需要通过节点交换机的10M/100M以太网接口与该子网的集线器或交换机相连即可。*7网络管理及系统软件*本方案全部采用智能网络设备,并通过网络管理协议传送给管理设备。本方案采用Lucent基于WindowsNT平台的Cajun*View软件，通过网络管理工作站，对整个网络的智能设备进行有效的图形管理。
本方案使用的系统软件如下：*●网络平台：WindowsNTServer4.0中文版，工作站端用Pwin98；*●数据库开发平台：MicrosoftSQLServer7.0；*●邮件通讯软件：MicrosoftExchangeServer5.5；*●应用软件包括：*●多媒体视频广播软件：HYcast*●多媒体教学及课件制作软件：HYmedia*●多媒体视频点播软件：HYVOD
■校园网应用*1校园网管理信息系统*中国基础教育校园网集成系统CFES面向全校，覆盖教育行政管理、图书馆管理、后勤管理和互联网连接等领域，分为教学管理、学生管理、行政管理、通用服务、互联网络和图书馆管理等分系统，以及教务管理、教师管理、教材管理、设备管理、学籍管理、考绩管理、人事管理、文书管理、综合查询、通用查询、电子邮件、远程登录、图书编目、图书流通、图书检索和馆长查询等近七十个管理子系统。*CFES集管理、教学和科研为一体，是中等专业学校信息化的全面解决方案。CFES软件采用了新的开发平台（ASP）和数据库平台（SQLServer），软件设计采用了C/S和B/S结构。系统运行平台为中文WINDOWS,软件风格统一的可视化图形界面，丰富的联机帮助，操作简便，使操作人员轻松上手。*2校园网计算机教学系统*计算机教学系统主要包括多媒体网络教室、多媒体视频点播、多媒体视频广播系统。XX学校做为一所重点育人单位，在教学思想和教学手段上都有其独到之处。针对其具体情况，华育为学校设计了一个能够充分实现学校先进教育思想的一个现代化的教学平台，该方案实现了多媒体网络教学功能。它采用华育自有的多媒体教学软件，即华育多媒体视频点播系统和多媒体视频广播系统。充分利用校园网高带宽的优势，在计算机数据网络中实现了校园闭路电视的全部功能，可以对观摩教室进行现场直播，为现代化教学提供了一个新的平台。*3校园网站*校园网不是一个独立的、封闭的体系，校园网与Internet互连后，校园网用户在权限允许的范围内可以使用Internet上的Web访问、Email收发、FTP、Telnet、BBS、新闻组、讨论组、个人主页等服务。*校园网站连接Internet，用于宣传学校形象、教学信息发布、提供信息查询等，以后可成为网上教学的渠道。网站主页的设计，主要由老师创意，学生制作，体现学生的创造性，培养学生的动手能力。*■方案特点*综合网络技术的发展,并在对学校的需求进行了详细的分析之后，证明XX学校的校园网方案具有先进性、可扩展性、开放性、安全性、可管理性和丰富的应用等特点。
■校园网拓扑图

(*XXXX school Gigabit Campus Network Design Scheme
Campus computer network has become the infrastructure and necessary condition for running a school. The public information computer company is based in China and serves education. It is a comprehensive enterprise focusing on the development of educational software and network integration, and promoting the informatization and modernization of education and teaching* After extensive market research, aiming at the characteristics and application needs of secondary schools, our company has developed the "overall solution of Gigabit Campus Network for secondary schools". The scheme takes Gigabit backbone network as the basic platform, takes the campus network application as the main line, and aims to realize the wide sharing of educational resources and improve the modernization level of education and teaching. It provides a complete solution for the construction of information-based schools* For different types of schools, the public information company provides an information network platform for office automation, education management, library management, multimedia teaching and distance education in its professional education information website (wwwcnool.net)* As a typical case, the construction of the Gigabit Campus Network of XX school can fully demonstrate how the public information campus network solution can help primary and secondary schools to use modern educational technology for modern teaching. It includes the requirements of the school for information construction and how to realize it in network technology* The comprehensive solution for the Gigabit Campus Network of XX school is designed and implemented by the network engineering department of the public information company. This is a plan that is planned as a whole, implemented step by step, and takes full account of the existing equipment and actual funds. The first step is to establish the network center and backbone network, then establish the school's information management network, teaching network, library management network and various application subsystems of the electronic reading room, and carry out the structured wiring of the teaching building, office building and library, so as to extend the network to the whole campus. The second step is to install computers and televisions in all classrooms, carry out multimedia teaching, realize all the functions of the campus network, and finally connect with CERNET and Internet through routers. The program fully takes into account the application and funding of the school, and has high scientific and reference value.
■ the core of campus network construction * in the design process, the designer fully considers the requirements of education management and multimedia teaching, and the network technology should be progressiveness to a certain extent, while leaving a certain space for future expansion. Therefore, the campus network should meet the following requirements: * ● the network has the functions of transmitting voice, graphics, images and other information media, and has the resource sharing function with superior performance* ● each terminal in the campus network has a fast switching function* ● the central system switch adopts virtual network technology and has classified control function for network users* ● provide perfect authority control for access to network resources* ● the network has the function of preventing and killing viruses to ensure the safety of network use* ● after the campus network is connected to the Internet network, it shall have the "firewall" filtering function to prevent network hackers from invading the network system* ● it can control the authority of each network user accessing the Internet.
■ campus network hardware design *1 campus network backbone network * in the Gigabit Campus Network Scheme of XX school, Gigabit Ethernet based on layer 3 switching is used as the campus network backbone. In this scheme, the backbone switch adopts the cajunp550 switch of Lucent company. It is a layer 3 Gigabit Ethernet routing switch with internal integrated routing function. It has the characteristics of high capacity, non blocking, high-quality management ability and reliable multimedia support. Gigabit Ethernet switching, fast Ethernet switching, Ethernet switching and routing are all integrated into one switch, which makes the switch very powerful* Node switches and backbone switches are connected through gigabit optical fiber* The teaching building adopts cajunp330 switch as the node switch, and the experimental building adopts cajunp120 switch as the node switch to form a fast Ethernet work network* 2 network server * network server includes file server, Internet server, network management workstation, and minicomputer for the whole school* Toshibamagnia5100 and 3010 servers are selected for the server according to the requirements of the school* 3 trunk optical fiber * in the campus network, two trunk optical cables are required to be laid this time, which are multi-core indoor armored multi-mode optical cables, which are respectively laid from the scientific research building to the teaching building and from the scientific research building to the experimental building* 4 structured generic cabling * in this scheme, we use the SYSTIMAXSCS generic cabling product of lucenttechnologies* According to the principle of structured wiring, in order to achieve the effect of beautiful layout, the wiring between buildings adopts optical fiber, the wiring on each floor is in PVC pipe or in the ceiling, and a certain degree of redundancy is reserved in the information socket in the structured wiring system, so as to ensure the need for future terminal equipment location adjustment and network expansion* 5. Wide area network interconnection and network security * wide area interconnection is also the focus of this design. In this scheme, portmaster2r is used to connect the campus network to China Education and Research Network CERNET through a DDN dedicated line, so as to access the Internet* To ensure network security and prevent hackers from illegally invading the network, the network must be provided with an IP firewall, portmaster2r, and a built-in firewall, which can effectively ensure network security* 6 application subnet and network interconnection *xx primary school campus network has education management subnet, library management subnet, electronic reading room subnet, computing center subnet, etc. in addition to the network backbone. For the existing subnet, you only need to connect with the hub or switch of the subnet through the 10m/100m Ethernet interface of the node switch* 7 network management and system software * this scheme adopts intelligent network devices and transmits them to management devices through network management protocols. This scheme adopts Lucent cajun*view software based on WindowsNT platform to effectively manage the graphics of intelligent devices in the whole network through the network management workstation.
The system software used in this scheme is as follows: * ● network platform: windowsntserver4.0 Chinese version, and pwin98 is used at the workstation end* ● database development platform: microsoftsqlserver7.0* ● mail communication software: microsoftexchangeserver5.5* ● application software includes: * ● multimedia video broadcasting software: hycast* ● multimedia teaching and courseware making software: hymedia* ● multimedia video on demand software: hyvod
■ campus network application *1 campus network management information system * China basic education campus network integration system cfes faces the whole school, covering the fields of educational administration, library management, logistics management and Internet connection. It is divided into teaching management, student management, administrative management, general service, Internet and library management, as well as educational administration management, teacher management, textbook management, equipment management, student status management, performance appraisal management There are nearly 70 management subsystems, including personnel management, document management, comprehensive query, general query, e-mail, remote login, book cataloguing, book circulation, book retrieval and librarian query* Cfes integrates management, teaching and scientific research. It is a comprehensive solution for the informatization of secondary professional schools. Cfes software adopts new development platform (ASP) and database platform (sqlserver), and the software design adopts c/s and b/s structures. The operating platform of the system is Chinese windows. The visual graphical interface with unified software style, rich online help and simple operation make it easy for operators to start* 2 campus network computer teaching system * computer teaching system mainly includes multimedia network classroom, multimedia video on demand and multimedia video broadcasting system. As a key educational unit, XX school has its own unique teaching ideas and means. According to its specific situation, Huayu has designed a modern teaching platform for the school, which can fully realize the advanced educational ideas of the school. The program has realized the multimedia network teaching function. It adopts Huayu's own multimedia teaching software, namely Huayu multimedia video on demand system and multimedia video broadcasting system. Taking full advantage of the high bandwidth of the campus network, we have realized all the functions of the campus closed-circuit television in the computer data network. We can live broadcast the observation classroom and provide a new platform for modern teaching* 3 campus website * campus network is not an independent and closed system. After the campus network is interconnected with the Internet, campus network users can use web access, email receiving and sending, FTP, Telnet, BBS, newsgroups, discussion groups, personal home pages and other services on the Internet within the scope of permission* The campus website is connected to the Internet, which is used to publicize the school image, publish teaching information, provide information query, etc. in the future, it can become a channel for online teaching. The design of the home page of the website is mainly made by teachers and students to reflect students' creativity and cultivate students' practical ability* ■ program features * the development of integrated network technology, and after a detailed analysis of the needs of the school, it is proved that the campus network program of XX school has the characteristics of progressiveness, scalability, openness, security, manageability and rich applications.
■ campus network topology)

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