本文選題：校園網(wǎng) + 升級改造　； 參考：《華南理工大學(xué)》2014年碩士論文

【摘要】：校園網(wǎng)是為學(xué)校師生提供教學(xué)、科研和綜合信息服務(wù)的寬帶多媒體網(wǎng)絡(luò)。在網(wǎng)絡(luò)已經(jīng)深入人們的工作生活的信息時代，校園網(wǎng)更是成了師生教學(xué)、工作、生活不可或缺的一部分。信息化程度的不斷提高，對校園網(wǎng)提出了更高的要求，學(xué)校校園網(wǎng)改造升級是教育信息化發(fā)展與時代發(fā)展的必然要求。 私立華聯(lián)學(xué)院在2007年高校評估后已經(jīng)基本實現(xiàn)校園網(wǎng)覆蓋全校。由于網(wǎng)絡(luò)日益普及，入網(wǎng)人數(shù)劇增，上網(wǎng)設(shè)備不斷增加，核心設(shè)備漸漸負載過重，出口帶寬不夠，導(dǎo)致在上網(wǎng)高峰期丟包率過高，網(wǎng)速極慢，嚴重時甚至使整個學(xué)校的網(wǎng)絡(luò)陷入癱瘓狀態(tài)，嚴重影響了校園網(wǎng)絡(luò)的正常運行；同時隨著入網(wǎng)用戶的增加，，原有的入網(wǎng)身份認證方式也日益暴露了其缺陷，已經(jīng)無法適應(yīng)當(dāng)前用戶認證的需求，經(jīng)過幾期建設(shè)的校園網(wǎng)絡(luò)無論從網(wǎng)絡(luò)結(jié)構(gòu)，還是管理方面，亟待升級和改造。 本文是以私立華聯(lián)學(xué)院校園網(wǎng)為例，分析目前校園網(wǎng)存在的瓶頸和問題，研究設(shè)計對校園網(wǎng)的升級改造方案：提出對骨干網(wǎng)絡(luò)設(shè)備進行升級，由單核心改造為雙核心，雙線路，在網(wǎng)絡(luò)層次化模型的設(shè)計上優(yōu)化三層網(wǎng)絡(luò)結(jié)構(gòu)；提出新增校園無線網(wǎng)絡(luò)，給出了無線網(wǎng)絡(luò)建設(shè)總體設(shè)計方案，探討了其設(shè)計思路和核心模塊設(shè)計；在用戶認證系統(tǒng)方面由802.1x認證升級為802.1x+電信翼起來Portal二次身份認證方式，采用多種認證技術(shù)實現(xiàn)合理和準確的用戶授權(quán)、認證和計費；通過部署專業(yè)設(shè)備來實現(xiàn)網(wǎng)絡(luò)流量有效控制和管理。最后進行總結(jié)，并對校園網(wǎng)的下一步工作重點提出展望。論文從需求分析開始，對學(xué)院的網(wǎng)絡(luò)升級改造作整體規(guī)劃，隨后展開網(wǎng)絡(luò)方案的各個分支內(nèi)容。 本方案的特點是，在原有設(shè)備上的升級改造，減少投入，逐步實施。升級改造方案在私立華聯(lián)學(xué)院已經(jīng)部分實施，解決了校園網(wǎng)速慢，網(wǎng)絡(luò)不穩(wěn)定以及流量計費不準確等問題，實際效果顯著。
[Abstract]:Campus network is a broadband multimedia network for teachers and students to provide teaching, scientific research and comprehensive information services. In the information age when the network has penetrated into people's working life, the campus network has become an indispensable part of teaching, working and living for teachers and students. With the continuous improvement of information level, higher requirements are put forward for the campus network. The transformation and upgrading of the school campus network is the inevitable requirement of the development of educational informatization and the development of the times. Private colleges in 2007 after the assessment of colleges and universities have basically achieved the campus network coverage of the whole school. Due to the increasing popularity of the network, the sharp increase in the number of people entering the network, the continuous increase in the number of Internet access equipment, the gradual overloading of the core equipment and the insufficient export bandwidth, the rate of packet loss during the peak period of the Internet is too high and the speed of the network is extremely slow. When it is serious, the whole school network is paralyzed, which seriously affects the normal operation of the campus network. At the same time, with the increase of network users, the original identity authentication mode has increasingly exposed its shortcomings. It has been unable to meet the needs of current user authentication. After several phases of construction, the campus network needs to be upgraded and reformed in terms of network structure and management. This paper takes the campus network of the private Hualian University as an example, analyzes the bottlenecks and problems existing in the campus network at present, studies and designs the upgrading scheme of the campus network. It proposes to upgrade the backbone network equipment from single core to double core and dual circuit. The three-layer network structure is optimized in the design of network hierarchical model, the new campus wireless network is put forward, the overall design scheme of wireless network construction is given, and the design idea and core module design are discussed. In the aspect of user authentication system, it is upgraded from 802.1x authentication to 802.1x telecom wing portal secondary identity authentication mode. Various authentication technologies are used to realize reasonable and accurate user authorization, authentication and billing. Through the deployment of professional equipment to achieve effective network traffic control and management. Finally, the conclusion is made, and the future work of campus network is prospected. This paper starts with the requirement analysis, makes the overall plan for the network upgrade and transformation of the college, and then develops the contents of each branch of the network scheme. This scheme is characterized by upgrading and upgrading the original equipment, reducing investment and gradually implementing. The upgrading scheme has been partially implemented in the private Hualian College, which has solved the problems of slow network speed, unstable network and inaccurate traffic billing, etc., and the actual effect is remarkable.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TP393.18

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本文編號：2014106