局域网监控系统关键技术研究与实现

发布时间：2018-06-21 18:46

本文选题：局域网络监控管理系统 + SNMP　；参考：《北京邮电大学》2014年硕士论文

【摘要】：随着计算机技术的不断发展,网络逐渐成为人们生活不可分割的一部分。人们的日常生活日益与网络息息相关,在这其中,各种各样的网络应用发挥着重要的作用。人们可以利用不同的网络应用来满足自身不同的需求：即时通信、资讯获取、网络求助、观看视频、企业洽谈等等。与此同时,局域网络也开始成为整个网络中重要的一份子。不论是学校还是企业,建设一个方便可用安全的网络,用于满足自己的特有需求已变得越来越普遍。但是,想要获取安全的局域网络也变得越来越复杂。越来越多的网络应用的涌现,不同的网络硬件设备的安装,以及网络中本身就具有的病毒木马等等,都会对整个局域网络的管理造成困扰。因此,一个管理方便全面、可靠性高的局域网络监控管理系统变得越来越重要。笔者所参与的商用监控管理系统致力于解决这方面的问题。本文中,笔者对该系统的一些关键技术及模块进行了研究,主要包括网络监控系统中,网络流量监测模块的研究,以及监控系统中拓扑发现方法的研究与改进。本文首先介绍了该论文的研究背景和意义,然后对于当前局域网络以及网络监控的情况进行了介绍。继而在上述研究的基础上,本文介绍了笔者所参与研发的商用局域网络监控管理系统,主要介绍了该系统的作用和系统结构,以及系统所实现的功能。之后,文章在随后的几章中,探讨了监控管理系统中几个模块的研究。首先是对网络流量识别检测模块的研究。该部分主要解释了网络流量检测以及网络应用识别的情况,并且针对不同的识别技术,举出了对应的不同的网络应用实例。在SNMP网络拓扑管理模块中,论文论述了SNMP技术,并介绍了以此为基础,建立网络拓扑的过程。随后介绍了本文所提出的,基于STP和AFT的网络拓扑发现方法,并指出了该新的算法的优越性能。
[Abstract]:With the continuous development of computer technology, the network has gradually become an integral part of people's lives. People's daily life is increasingly closely related to the network, in which a variety of network applications play an important role. People can use different networks to meet their different needs: instant messaging, access to information, network help, watching video, business negotiations and so on. At the same time, LAN also began to become an important part of the whole network. It has become increasingly common for schools and businesses to build a convenient and secure network to meet their own unique needs. However, the local area network that wants to obtain security also becomes more and more complex. The emergence of more and more network applications, the installation of different network hardware devices, and the virus Trojan horse in the network will make trouble for the management of the whole LAN. Therefore, a local area network monitoring and management system with convenient and comprehensive management and high reliability becomes more and more important. I participate in the commercial monitoring and management system to solve this problem. In this paper, the author studies some key technologies and modules of the system, including the research of network monitoring system, network traffic monitoring module, and the research and improvement of topology discovery method in monitoring system. This paper first introduces the research background and significance of this paper, then introduces the current local area network and network monitoring situation. Then, on the basis of the above research, this paper introduces the commercial LAN monitoring and management system developed by the author, mainly introduces the function and structure of the system, as well as the functions of the system. Then, in the following chapters, the research of several modules in the monitoring and management system is discussed. First of all, the research of network traffic identification and detection module. This part mainly explains the situation of network traffic detection and network application identification, and lists different network application examples for different identification techniques. In the SNMP network topology management module, this paper discusses SNMP technology, and introduces the process of establishing network topology based on SNMP technology. Then, this paper introduces the proposed network topology discovery method based on STP and AFT, and points out the superior performance of the new algorithm.
【学位授予单位】：北京邮电大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP277;TP393.1

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