平台网络系统架构的研究与设计

【作者】 汪静；

【导师】 李泽宏； 周蓉；

【作者基本信息】 电子科技大学 ， 软件工程， 2009， 硕士

【摘要】 随着现代社会的飞速发展,网络已成为人们生活的一部分,学校的教学也加入了网络的元素。各大高校,甚至各中小学校都逐渐建立了自己的校园网。作者所在四川职业技术学院,作为一所综合性的高等职业技术院校,也在2003年拥有了自己的校园网,并将教学管理信息平台运行其中。通过多年的教学实践,专职教师们深感教学管理的数字化,重点应放在教学过程的管理上,如专业学生培养方案、课程大纲、教师授课内容、实验管理等。对高职院校来讲,如何加强“任务驱动”式的案例教学法在课程教学中的应用显得尤为重要。我们应该改变现有的理论与实验分离的教学方法,形成“理-实一体化”的教学方式,加强对学生实验过程管理和实验报告管理以及实验效果的验收与评价。为实现高职教育与教学全过程的贯通,对现有的教学管理信息平台应用分析,以实现对教学中间过程的完善,达到进一步提高人才培养质量的目的。作者和同事们齐力完成一个新的数据库平台——院系教学过程管理信息平台。作者负责为该平台进行数据分析并根据需要设计出科学、平稳、快速的校园网络架构。本文首先对学院需要接通网络的楼宇楼层进行了统计,并根据建筑物使用对象和所处位置、网络计算机密度等的不同设计出专属于四川职业技术学院的校园网拓扑结构。然后,根据使用者对流量的不同需求确定了接入层交换机和汇聚层交换机的型号;根据平台各个子模块的特点和我院师生对信息的需求量了解数据库的压力,确定了服务器的种类、数量和具体配置;和负责网络安全的同事共同确定了适合四川职业技术学院教学过程管理信息平台的防火墙型号和位置,并在试运行阶段通过流量测试确定了流量控制方案,以保证网络能够快速、稳定、安全地运行。本平台建立后,将在四川职业技术学院校园网上运行,能够弥补当前的教学管理信息平台的不足,让师生们在平时的教学过程中得到更好的服务,也能让学生们拥有更多、更专业的学习资料,得到更多、更锻炼实际能力的动手操作机会,获得更强的专业技能,为之后踏上工作岗位打下牢实的基础。更多还原

【Abstract】 Along with the dramatically development of the existing society, the network has already been one part of our daily life, the network has also been utilized in the teaching of universities. Almost every universities, middle school and primary school have established their LAN. As one full scale of advanced Higher Career Tech College, SICHUAN Career Tech College owned it’s LAN in 2003, and it was put into the operation of teaching information management platform.Though several years’practice in teaching, teachers sincerely felt that the digitalization of the teaching should be focused on the progress management, ie, the coaching plan setting, the content of the teaching, experiment management etc. For the college, it is especially important that, how to strength the usage of mission-driven teaching method in practice. The existing separated theory and experiment teaching method should be changed, to consolidated one-stop methodology. The assessment and evaluation of student’s experiment progress and result can be better managed accordingly.In order to realize the emergence of higher career education and teaching progress, to refine the teaching progress through the analysis of the teaching information platform, and to achieve the goal for people education, a new database platform has been established together with the effort of my colleagues, naming college education progress managing information platform. Moreover, what I in charged is to design better and more appropriate network structure of database system, basing on the analysis of the existing basic hardware environment.Firstly, this completed the statistics for the blocks and floors of the campus which needs the network installment, and then designed the campus topology special for Sichuan vocational and technical college in line with the different location and users of each building and the difference of the network computer density. Accordingly, the type of access layer switch and convergence layer switch was ensured. Besides, the pressure of database, server type, number and detailed property were understood according with the character of each sub-module and the demanding volume of the information in the campus. Moreover, the firewall type and model which suitable for the campus have been confirmed together with the colleague who in charges of the network security works, and the traffic control solution has been finalized during the testing, ensuring the fast, reliable and stable operation.After the establishment of the platform which works on in the intranet of the campus, can fully mitigate the lacking of the teaching information management platform situation, and it can better serve our teachers and students during the learning progress. Based on the platform, more and more professional knowledge can be given and learnt, more practical opportunity can be given to the student, which will all be benefit for students future career development.更多还原