OpenFlow测试与监控技术研究
发布时间：2018-11-28 13:55
【摘要】：软件定义网络(Software Defined Networking, SDN)是一种新型的网络架构,OpenFlow作为一个符合SDN理念的标准化协议引起业界的高度重视。国内外厂商相继研发推出OpenFlow交换设备,并在网络中试验和应用。为了保障设备质量和网络有效运行,OpenFlow的测试与监控技术的研究急需跟进。 论文主要研究OpenFlow的测试与监控两大部分。首先根据厂商OpenFlow交换机的实际测试需求,选取合适的测试工具,研究完善OFTest测试框架,搭建测试环境,实际应用于测试盛科OpenFlow交换机实现的所有功能。之后根据测试需求说明和一致性实现声明等文档,制定了全部功能的测试计划,采用等价类划分法、边界值分析法和错误推测法等方法,完成了其中部分测试用例的设计,以及相应自动化测试脚本的扩展,最终通过运行测试,完成了盛科V330OpenFlow交换机的功能测试,保障了其实现质量。随后该交换机通过了业界知名厂商评估测试,得到客户较高评价。 在OpenFlow交换机功能实现正确的基础上,以OpenFlow协议规范为基础,结合网络流量特征,研究OpenFlow网络流量实时监测和控制的方法策略。通过有区别的流量信息采集的方法,设计实现了对网络正常运行影响较小的实时网络流量信息监测系统,包括大象流的实时流量监测和OpenFlow交换机端口的实时流量监测。最后结合流量信息,分析研究OpenFlow网络的流量优化控制策略及其可行性。
[Abstract]:The software defined network (Software Defined Networking, SDN) is a new network architecture. OpenFlow, as a standardized protocol in line with the SDN concept, has attracted great attention in the industry. Domestic and foreign manufacturers have developed and introduced OpenFlow switching equipment, and in the network test and application. In order to ensure the quality of equipment and the effective operation of the network, the research of OpenFlow testing and monitoring technology needs to be followed up. This paper mainly studies two parts of OpenFlow testing and monitoring. Firstly, according to the actual test requirements of the manufacturer OpenFlow switch, we select the appropriate test tools, study and improve the OFTest test framework, build the test environment, and apply it to test all the functions realized by Shengke OpenFlow switch. Then, according to the test requirement description and consistency realization document, the test plan of all functions is worked out, and some of the test cases are designed by using the method of equivalence class partition, boundary value analysis and error prediction. Finally, through running test, the function test of Shengke V330OpenFlow switch is completed, and the quality of its implementation is guaranteed. Subsequently, the switch passed the industry famous manufacturer evaluation test, and received high customer evaluation. On the basis of the correct realization of OpenFlow switch function, based on the OpenFlow protocol specification and the characteristics of network traffic, the method and strategy of real-time monitoring and control of OpenFlow network traffic are studied. A real-time network traffic information monitoring system, which has little influence on the normal operation of the network, is designed and implemented by different methods of traffic information collection, including the real-time traffic monitoring of elephant flow and the real-time traffic monitoring of OpenFlow switch port. Finally, the optimal flow control strategy and its feasibility of OpenFlow network are analyzed and studied with traffic information.
【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】：TP393.06
本文编号：2363030
[Abstract]:The software defined network (Software Defined Networking, SDN) is a new network architecture. OpenFlow, as a standardized protocol in line with the SDN concept, has attracted great attention in the industry. Domestic and foreign manufacturers have developed and introduced OpenFlow switching equipment, and in the network test and application. In order to ensure the quality of equipment and the effective operation of the network, the research of OpenFlow testing and monitoring technology needs to be followed up. This paper mainly studies two parts of OpenFlow testing and monitoring. Firstly, according to the actual test requirements of the manufacturer OpenFlow switch, we select the appropriate test tools, study and improve the OFTest test framework, build the test environment, and apply it to test all the functions realized by Shengke OpenFlow switch. Then, according to the test requirement description and consistency realization document, the test plan of all functions is worked out, and some of the test cases are designed by using the method of equivalence class partition, boundary value analysis and error prediction. Finally, through running test, the function test of Shengke V330OpenFlow switch is completed, and the quality of its implementation is guaranteed. Subsequently, the switch passed the industry famous manufacturer evaluation test, and received high customer evaluation. On the basis of the correct realization of OpenFlow switch function, based on the OpenFlow protocol specification and the characteristics of network traffic, the method and strategy of real-time monitoring and control of OpenFlow network traffic are studied. A real-time network traffic information monitoring system, which has little influence on the normal operation of the network, is designed and implemented by different methods of traffic information collection, including the real-time traffic monitoring of elephant flow and the real-time traffic monitoring of OpenFlow switch port. Finally, the optimal flow control strategy and its feasibility of OpenFlow network are analyzed and studied with traffic information.
【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】：TP393.06
【共引文献】
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