本文選題：SDN　切入點：OpenFlow　出處：《北京郵電大學(xué)》2014年碩士論文

【摘要】：近年來網(wǎng)絡(luò)技術(shù)的迅猛發(fā)展,在互聯(lián)網(wǎng)上的各種業(yè)務(wù)如視頻、電商、社交等也快速成長起來。為了滿足人們對現(xiàn)有網(wǎng)絡(luò)應(yīng)用快速增長的需求,網(wǎng)絡(luò)技術(shù)研發(fā)人員不得不將各種新的復(fù)雜的協(xié)議加入到現(xiàn)有網(wǎng)絡(luò)設(shè)備中,以提高網(wǎng)絡(luò)的控制、轉(zhuǎn)發(fā)能力。但是,隨著網(wǎng)絡(luò)協(xié)議的復(fù)雜化與龐大化,現(xiàn)有網(wǎng)絡(luò)交換設(shè)備已經(jīng)不能繼續(xù)按照現(xiàn)有趨勢發(fā)展下去,在這種情況下基于軟件定義網(wǎng)絡(luò)的OpenFlow應(yīng)運而生。OpenFlow技術(shù)實現(xiàn)了控制和轉(zhuǎn)發(fā)的分離,所有對業(yè)務(wù)轉(zhuǎn)發(fā)邏輯的修改都可以在控制器處進行,而對控制器邏輯的修改可以直接作用在負責轉(zhuǎn)發(fā)的交換機處。OpenFlow以其靈活、高效的控制轉(zhuǎn)發(fā)方式,成為未來網(wǎng)絡(luò)發(fā)展的重要一個分支。 隨著各設(shè)備商對OpenFlow設(shè)備的重視,各種各樣的OpenFlow設(shè)備層出不窮,但是與此同時關(guān)于OpenFlow設(shè)備的互通性測試卻不夠規(guī)范、系統(tǒng)。本論文主要是對OpenFlow互通性測試進行研究,對OpenFlow互通性測試的需求、OpenFlow互通性的測試流程、OpenFlow互通性測試模型和OpenFlow互通性的測試集進行了詳細的分析及設(shè)計,得出了相應(yīng)的解決辦法與方案。對其中某些重要的測試項進行了互通性測試,并通過互通性測試的結(jié)果對OpenFlow互通性研究的要點進行了梳理、驗證。 本論文總體上分為5章,第一章概述了SDN/OpenFlow技術(shù),以及OpenFlow互通性測試研究的重要意義；第二章對與OpenFlow互通性測試相關(guān)的SDN/OpenFlow基礎(chǔ)技術(shù)進行了描述,列舉了國內(nèi)外當前OpenFlow設(shè)備機器互通性測試的發(fā)展狀況,并進行了OpenFlow互通性測試的需求分析；第三章基于信息系統(tǒng)互通性等級(LISI)模型提出了針對OpenFlow互通性測試的流程,設(shè)計了OpenFlow互通性測試的方案模型,并進行了相應(yīng)的測試集、測試用例設(shè)計；第四章針對第三章提出的OpenFlow互通性模型和測試用集,選取其中比較有代表性的數(shù)據(jù)包接受與發(fā)送、基于LLDP的網(wǎng)絡(luò)拓撲發(fā)現(xiàn)進行了NOX控制器控制下的互通性測試,并根據(jù)測試結(jié)果對OpenFlow設(shè)備的互通性進行了分析；第五章對整篇論文進行了總結(jié),對OpenFlow互通性進行了總結(jié)與展望。
[Abstract]:In recent years, with the rapid development of network technology, all kinds of services such as video, e-commerce and social networking on the Internet have also grown rapidly.In order to meet the rapid growth of existing network applications, network technology researchers have to add various new and complex protocols to existing network devices to improve network control and forwarding capabilities.However, as the network protocol becomes more complex and huge, the existing network switching devices can no longer be developed in accordance with the current trend.In this case, OpenFlow based on software definition network emerges as the times require. OpenFlow technology realizes the separation of control and forwarding, and all the modification of service forwarding logic can be carried out at the controller.The modification of controller logic can be directly applied to the switch which is responsible for forwarding. OpenFlow has become an important branch of the future network development because of its flexible and efficient way of controlling forwarding.With the attention of various equipment manufacturers to OpenFlow equipment, various OpenFlow devices emerge in endlessly, but at the same time, the interoperability test of OpenFlow equipment is not standard enough, system.This paper mainly studies the test of OpenFlow interoperability, and analyzes and designs the test process of open flow interoperability and the test set of OpenFlow interoperability, which is the requirement of OpenFlow interoperability testing.The corresponding solutions and schemes are obtained.In this paper, some important test items are tested, and the key points of OpenFlow interoperability research are sorted out and verified by the results of interoperability test.This paper is divided into five chapters. The first chapter summarizes the SDN/OpenFlow technology and the significance of the OpenFlow interoperability test research. Chapter 2 describes the basic SDN/OpenFlow technology related to OpenFlow interoperability testing.This paper enumerates the development status of machine interoperability testing for OpenFlow equipment at home and abroad, and analyzes the requirements of OpenFlow interoperability testing. Chapter 3, based on the information system interoperability level (LISI) model, puts forward the flow chart for OpenFlow interoperability testing.The scheme model of OpenFlow interoperability test is designed, and the corresponding test set, test case design is carried out. Chapter 4 selects the representative data packet receiving and sending, aiming at the OpenFlow interoperability model and test set proposed in chapter three.The network topology discovery based on LLDP is tested under the control of NOX controller, and the interoperability of OpenFlow devices is analyzed according to the test results. Chapter 5 summarizes the whole paper, summarizes and prospects the interoperability of OpenFlow.
【學(xué)位授予單位】：北京郵電大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TP393.06

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