基于SDN技術(shù)的網(wǎng)絡故障管理系統(tǒng)設計與實現(xiàn)
本文選題:SDN + SNMP。 參考:《北京交通大學》2014年碩士論文
【摘要】:隨著信息技術(shù)的發(fā)展,現(xiàn)代網(wǎng)絡管理對于提高網(wǎng)絡單元利用率、故障定位和排查技術(shù)提出了更高的要求來確保網(wǎng)絡的正常運行、網(wǎng)絡優(yōu)化、安全保障和服務質(zhì)量。SDN(Software Defined Networking,軟件定義網(wǎng)絡)作為新興的網(wǎng)絡技術(shù),給網(wǎng)絡管理技術(shù)的發(fā)展帶來了新的機遇和挑戰(zhàn)。SDN將數(shù)據(jù)轉(zhuǎn)發(fā)和控制相分離,由軟件驅(qū)動的中央控制結(jié)點來自動化控制整個網(wǎng)絡。但目前基于SDN技術(shù)的網(wǎng)絡管理存在的問題是,SDN交換機缺乏標準網(wǎng)絡管理協(xié)議,如何管理融合了SDN平臺的網(wǎng)絡已成為網(wǎng)絡管理領域的研究和應用熱點。 本文從分析基于SDN技術(shù)的網(wǎng)絡故障管理所面對問題出發(fā),提出采用傳統(tǒng)的SNMP網(wǎng)管協(xié)議和SDN RPC接口技術(shù)結(jié)合的方法,對融合了SDN平臺的網(wǎng)絡故障進行管理。通過分析系統(tǒng)需求,將該系統(tǒng)拆分成登錄管理、拓撲管理、故障管理、SDN管理、數(shù)據(jù)管理模塊五個部分。登錄管理模塊實現(xiàn)了用戶操作權(quán)限的管理。拓撲管理模塊實現(xiàn)了拓撲發(fā)現(xiàn)算法,完成對網(wǎng)絡中設備的發(fā)現(xiàn)。故障管理模塊通過SNMP方式對傳統(tǒng)網(wǎng)絡設備進行故障管理,采用SDN RPC接口與OVSDB結(jié)合的方式對SDN交換機設備進行故障管理。SDN管理模塊通過開源的OpenFlow插件對SDN交換機設備中流的故障信息進行管理。數(shù)據(jù)管理模塊完成了對拓撲數(shù)據(jù)及故障數(shù)據(jù)的管理。作者獨立完成了該系統(tǒng)的登錄管理、拓撲管理、故障管理和SDN管理模塊的開發(fā)工作。 本文探索了目前研究和應用的熱點SDN技術(shù)及其在網(wǎng)絡管理系統(tǒng)中的應用,在實驗室SDN平臺上實現(xiàn)了網(wǎng)絡故障管理原型系統(tǒng),對SDN網(wǎng)絡管理接口的實現(xiàn)進行了有益的嘗試,為進一步的工程應用實踐奠定了基礎。經(jīng)過測試系統(tǒng)在實驗室已成功運行。
[Abstract]:With the development of information technology, modern network management has put forward higher requirements to improve the utilization of network units, fault location and troubleshooting technology to ensure the normal operation of the network, network optimization, As a new network technology, it brings new opportunities and challenges to the development of network management technology. SDN separates data forwarding and control. A central control node driven by software automates the entire network. However, the problem of network management based on SDN technology is the lack of standard network management protocol. How to manage the network integrated with SDN platform has become a research and application hotspot in the field of network management. Based on the analysis of the problems in network fault management based on SDN technology, this paper proposes a method of combining the traditional SNMP network management protocol and SDN RPC interface technology to manage the network fault which integrates the SDN platform. By analyzing the requirements of the system, the system is divided into five parts: login management, topology management, fault management SDN management and data management module. The login management module realizes the management of user operation rights. The topology management module realizes the topology discovery algorithm and realizes the discovery of the devices in the network. The fault management module manages the fault of the traditional network equipment by SNMP. The SDN RPC interface and OVSDB are used to manage the fault information of the SDN switch devices through the open source OpenFlow plug-in. Data management module completes the management of topology data and fault data. The author has independently completed the development of login management, topology management, fault management and SDN management module. This paper explores the current research and application of the hot SDN technology and its application in the network management system, realizes the prototype system of network fault management on the laboratory SDN platform, and makes a beneficial attempt to realize the SDN network management interface. It lays a foundation for further engineering practice. The tested system has been successfully run in the laboratory.
【學位授予單位】:北京交通大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TN915.07
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