【摘要】：校園網(wǎng)的建設(shè)是各個學(xué)校的重要組成部分,而它的建設(shè)水平則體現(xiàn)了學(xué)校的整體水平。在實(shí)現(xiàn)信息化校園的過程中,基礎(chǔ)是網(wǎng)絡(luò)建設(shè),核心是資源建設(shè),目標(biāo)是教學(xué)應(yīng)用,保證是管理體制。校園網(wǎng)是教育信息化建設(shè)的重要組成部分,校園網(wǎng)在改變教學(xué)方式的同時拓展了教師與學(xué)生的知識面,這在很大程度上提高了學(xué)生獲取、分析以及處理信息的能力,這是適應(yīng)現(xiàn)代化社會的必備能力。 校園網(wǎng)因?yàn)閷W(xué)校的規(guī)模以及性質(zhì)的不同,有多種設(shè)計(jì)方案,但是設(shè)計(jì)思路則是一樣的：首先要查看一個學(xué)校的建筑物布置情況,分析系統(tǒng)建設(shè)的需求以及限制條件等；然后,確定學(xué)校Intranet服務(wù)類型,這樣就可以確定學(xué)校的網(wǎng)絡(luò)設(shè)施、站點(diǎn)的位置、管理、以后的擴(kuò)展等目標(biāo)內(nèi)容；第三,依據(jù)學(xué)校建筑物的分布特點(diǎn)以及需求給出相對應(yīng)的網(wǎng)絡(luò)拓?fù)鋱D；第四,確定在設(shè)計(jì)過程中所用到的專業(yè)技術(shù)、選擇設(shè)備、布線、軟件設(shè)置等內(nèi)容以及這些內(nèi)容所以遵循的標(biāo)準(zhǔn)與要求；第五,將校園網(wǎng)的實(shí)施步驟一一列出,并寫出可能出現(xiàn)的問題以及解決方案,還有后期的測試。 本文做的是一個中小規(guī)模校園網(wǎng)的設(shè)計(jì),闡述了校園網(wǎng)建設(shè)的總體設(shè)計(jì)思想,尤其在校園網(wǎng)絡(luò)的流量優(yōu)化方面、選用的網(wǎng)絡(luò)設(shè)備方面、測試內(nèi)容方面闡述了自己的見解。具體內(nèi)容如下：本文提出了一種解決校園出口長期處于飽和狀態(tài)的思路,在交換層的交換機(jī)上部署QOS策略,因?yàn)镼OS會標(biāo)記、整形通過該交換機(jī)的全部網(wǎng)絡(luò)流量,這樣做既保證了關(guān)鍵應(yīng)用的正常訪問,又使得非關(guān)鍵應(yīng)用不能訪問,除去了突發(fā)流量、非法流量影響網(wǎng)絡(luò)帶寬；通過分析和論證,選用的網(wǎng)絡(luò)設(shè)備是華為廠商生產(chǎn)的。華為的網(wǎng)絡(luò)設(shè)備各種性能較好,而且價(jià)格便宜,更重要的是它支持中文版,更適合中國網(wǎng)絡(luò)；本文樓群間子系統(tǒng)采用光纜,光纜能夠提供千兆位的帶寬,為將來的擴(kuò)展提供了余地,接入層采用100M的五類雙絞線,保證了數(shù)據(jù)可以傳輸?shù)母咚佟?校園網(wǎng)的建設(shè)是刻不容緩的,建設(shè)一個比較完善而又先進(jìn)的校園網(wǎng),它的好處既是顯著的又是長遠(yuǎn)的。
[Abstract]:The construction of campus network is an important part of each school, and its construction level reflects the whole level of the school. In the process of realizing the information campus, the foundation is the network construction, the core is the resource construction, the goal is the teaching application, the guarantee is the management system. Campus network is an important part of educational information construction. Campus network not only changes the teaching method, but also expands the knowledge of teachers and students, which greatly improves the ability of students to obtain, analyze and process information. This is a necessary ability to adapt to modern society. Because of the different size and nature of the school, the campus network has a variety of design plans, but the design idea is the same: first, to check the layout of a school's buildings, to analyze the system construction needs and constraints; and then, Determine the types of school Intranet services, so as to determine the school network facilities, site location, management, future expansion and other objectives; third, according to the school building distribution characteristics and needs to give the corresponding network topology; Fourth, determine the professional technology used in the design process, selection of equipment, wiring, software settings, and other content so that the standards and requirements followed; fifthly, the campus network implementation steps are listed one by one. Write down possible problems and solutions, and later tests. This paper introduces the design of a small and medium scale campus network, and expounds the overall design idea of campus network construction, especially in the aspects of network flow optimization, selected network equipment and test content. The main contents are as follows: this paper puts forward a way to solve the problem that the campus exit is in saturation state for a long time, and deploy the QOS policy on the switch layer, because the QOS will mark and shape all the network traffic through the switch. This not only guarantees the normal access of the key applications, but also makes the non-critical applications inaccessible, eliminating the sudden traffic and illegal traffic affecting the network bandwidth. Through analysis and demonstration, the selected network equipment is produced by Huawei manufacturer. Huawei's network equipment has good performance and low price. What is more important is that it supports Chinese version and is more suitable for Chinese network. In this paper, optical fiber cables are used in the subsystems between buildings, which can provide gigabit bandwidth. The access layer adopts five kinds of twisted-pair wires of 100m to ensure the high speed of data transmission. The construction of campus network is urgent. To build a more perfect and advanced campus network, its benefits are both significant and long-term.
【學(xué)位授予單位】：陜西師范大學(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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