基于OPNET的校园网设计建模与仿真分析
发布时间：2018-08-31 14:31
【摘要】：随着计算机网络技术的发展,校园网络的应用需求迅速增长,随着网络节点的增加,校园网络的结构将变的更为复杂,同时对设备性能、链路带宽提出更高要求。建设一个基于多业务、复杂的校园网络系统,需要一种有效的手段对校园网进行规划、设计并实现。通过数学建模的方法过于复杂,根据以往经验进行规划设计的方法不可靠,无法满足日益增长的校园网络需求,利用网络仿真软件来对校园网络进行建模并仿真收集数据分析便成为必然的选择。 本文通过讲述校园网常见的网络拓扑结构以及常用的网络设备、网络传输介质、网络技术等的运行原理及物理特点,在对上诉内容进行总结分析的基础上,结合单位校园网的网络拓扑结构,通过OPNET仿真软件,对单位校园网的网络结构进行建模,在建模的基础上通过模拟仿真校园网常见的网络行为,对网络中的关键参数进行收集、分析。同时针对原有网络仿真模型,在此基础上通过添加网络结点、改变链路带宽等影响网络性能的参数进行设置并再次进行建模仿真分析,得出网络性能参数对原有网络性能的影响。最后通过结合改进后的校园网拓扑结构模型,得出校园网升级方案的可行性。 本文可以为校园网的规划设计提供客观可靠的定量依据,提高网络设计的科学性,缩短网络建设周期,降低校园网络投资的风险,因而也具有一定的工程应用价值。最后,对本文进行了总结,同时对未来的工作进行设想和展望。
[Abstract]:With the development of computer network technology, the application demand of campus network grows rapidly. With the increase of network nodes, the structure of campus network will become more complex, and the equipment performance and link bandwidth will be higher requirements. To build a complex campus network system based on multi-service, we need an effective means to plan, design and implement the campus network. The method of mathematical modeling is too complex, the method of planning and designing based on previous experience is not reliable, and can not meet the increasing demand of campus network. It is an inevitable choice to use network simulation software to model campus network and collect data by simulation. This paper describes the common network topology of campus network, the common network equipment, network transmission media, network technology and other operating principles and physical characteristics, on the basis of summarizing and analyzing the appeal content. Combined with the network topology structure of the unit campus network, the network structure of the unit campus network is modeled by the OPNET simulation software. On the basis of the modeling, the key parameters in the network are collected by simulating the common network behavior of the campus network. Analysis At the same time, according to the original network simulation model, by adding network nodes, changing the link bandwidth and other parameters that affect the network performance, the modeling and simulation analysis is carried out again. The influence of network performance parameters on the original network performance is obtained. Finally, by combining the improved campus network topology model, the feasibility of campus network upgrade scheme is obtained. This paper can provide an objective and reliable quantitative basis for the planning and design of campus network, improve the scientific nature of network design, shorten the period of network construction and reduce the risk of campus network investment, so it has certain engineering application value. Finally, this paper is summarized, and the future work is envisaged and prospected.
【学位授予单位】：浙江工业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP393.18;TP391.9
本文编号：2215277
[Abstract]:With the development of computer network technology, the application demand of campus network grows rapidly. With the increase of network nodes, the structure of campus network will become more complex, and the equipment performance and link bandwidth will be higher requirements. To build a complex campus network system based on multi-service, we need an effective means to plan, design and implement the campus network. The method of mathematical modeling is too complex, the method of planning and designing based on previous experience is not reliable, and can not meet the increasing demand of campus network. It is an inevitable choice to use network simulation software to model campus network and collect data by simulation. This paper describes the common network topology of campus network, the common network equipment, network transmission media, network technology and other operating principles and physical characteristics, on the basis of summarizing and analyzing the appeal content. Combined with the network topology structure of the unit campus network, the network structure of the unit campus network is modeled by the OPNET simulation software. On the basis of the modeling, the key parameters in the network are collected by simulating the common network behavior of the campus network. Analysis At the same time, according to the original network simulation model, by adding network nodes, changing the link bandwidth and other parameters that affect the network performance, the modeling and simulation analysis is carried out again. The influence of network performance parameters on the original network performance is obtained. Finally, by combining the improved campus network topology model, the feasibility of campus network upgrade scheme is obtained. This paper can provide an objective and reliable quantitative basis for the planning and design of campus network, improve the scientific nature of network design, shorten the period of network construction and reduce the risk of campus network investment, so it has certain engineering application value. Finally, this paper is summarized, and the future work is envisaged and prospected.
【学位授予单位】：浙江工业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP393.18;TP391.9
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，本文编号：2215277
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