【作者】 唐颖倩；

【导师】 董小国；

【作者基本信息】 北京化工大学 ， 计算机应用技术， 2003， 硕士

【摘要】 论文的主要目的是能够测量网络中各种网络流的主要性能度量标准和局域网的各种网络流的流量,为现有的很多网络应用提供这些性能度量标准的可靠的测量数据,为网络测试领域增加一些当前网络测试设备和测试软件不能实现的功能。在本论文中,主要定义了两个基于流的网络性能度量标准和基于流的网络流量,并分析了这两个度量标准和局域网基于流的流量的测试方法,开发了这两个度量标准的测试程序和局域网基于流的流量测试程序,同时对测量结果进行了分析。具体说来,论文对如下三方面工作进行了探索和研究:(1)分析了IP网络性能度量标准的框架,对基于流的网络性能测试的主要网络性能度量标准的定义方法进行了研究。本论文具体定义了基于流的两个网络性能度量标准:基于流的网络往返时延、基于流的网络往返丢包和基于流的网络流量,对这两个基于流的网络性能度量标准和基于流的网络流量的具体测试方法及其误差和不确定性的分析方法进行了研究;(2)开发了基于流的网络性能测试的两个主要网络性能度量标准和局域网的基于流的网络的测试程序,这些测试程序能够让用户选择自己的网络流参数,实时地测量用户定义的网络流的两个网络性能度量标准和局域网相应的网络流的流量;(3)对定义的基于流的两个主要网络性能度量标准和局域网的基于流的网络流量的测量结果进行了分析。论文中重点对局域网的基于流的网络流量进行了分析并得出了其特性。开发了一个局域网的基于流的网络流量数据的分析程序,该程序通过用自相似性的定义分析了局域网的基于流的网络流量的测量数据,得出局域网的基于流的网络流量具有自相似性的结论。更多还原

【Abstract】 The aim of this thesis is to measure the main performance metrics of various network flows and the traffic of various network flows of local area network. This thesis provides dependable measure data of these performance metrics for many network applications and adds many functions that current network test equipment and test software don’t have. In this thesis two flow-based network performance metrics and flow-based network traffic are defined, related measurement program are developed, the measurement data are analyzed. In details, three aspects of this thesis are shown in the following.(1)IP network performance metrics frame are analyzed; the method of defining flow-based network performance metrics are studied; Two network performance metrics and flow-based network traffic are defined in details, these two metrics are flow-based network round-trip delay, flow-based network round-trip loss, at the same time the detail measurement and the method of the analyses of error and uncertain of measuring the two metrics and flow-based network traffic are studied. (2)The measure program of the two main flow-based network performance metrics and local network flow-based traffic are developed, customers can select network flow parameters and measure the two metrics and local network traffic of their defined network flows with these programs. (3)The measure results of the main two performance metrics and local network flow-based traffic are analyzed. Flow-based traffic of local area network is analyzed in detail and its characteristic is got. A local area flow-based traffic analyses program is developed,in this programm the measure data of flow-based network traffic is analyzed wi the defining of self-similar, and the conclusion that local area network flow-based traffic is self-similar is reached.更多还原