本文選題：故障管理 + 簡單網(wǎng)絡(luò)管理協(xié)議　； 參考：《華南理工大學(xué)》2014年碩士論文

【摘要】：隨著計算機(jī)技術(shù)及Internet的發(fā)展，，網(wǎng)絡(luò)規(guī)模的不斷擴(kuò)大，網(wǎng)絡(luò)安全穩(wěn)定的運行變得尤其重要。然而在網(wǎng)絡(luò)運行中，網(wǎng)絡(luò)中的網(wǎng)元會產(chǎn)生各種各樣的網(wǎng)絡(luò)事件，這些事件潛在地展示了網(wǎng)元的運行狀態(tài)和行為，有效地監(jiān)視這些網(wǎng)絡(luò)事件是實現(xiàn)網(wǎng)絡(luò)管理的重要保障。因此，建立完善的網(wǎng)絡(luò)故障管理系統(tǒng)保證計算機(jī)網(wǎng)絡(luò)高效、穩(wěn)定地運行顯得非常重要。 本文通過研究網(wǎng)絡(luò)故障管理的基本需求和功能、簡單網(wǎng)絡(luò)管理協(xié)議SNMP和EJB的遠(yuǎn)程調(diào)用方法及相關(guān)技術(shù)，對已有的SNMS網(wǎng)管系統(tǒng)的事件模塊進(jìn)行了優(yōu)化設(shè)計，設(shè)計實現(xiàn)了一種基于網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)的故障定位算法。優(yōu)化的系統(tǒng)基于B/S結(jié)構(gòu)，設(shè)計實現(xiàn)了瀏覽器端的界面。瀏覽器端主要采用了jQuery技術(shù)，服務(wù)端主要采用了EJB技術(shù)，連接它們之間的通信技術(shù)主要采用了Ajax和Servlet技術(shù)。對于網(wǎng)絡(luò)中出現(xiàn)的告警事件，本系統(tǒng)主要通過時間和空間兩個域進(jìn)行關(guān)聯(lián)分析，以確定出最終的故障源�；跁r間的關(guān)聯(lián)分析主要是在一定的時間窗口內(nèi)，對同一臺設(shè)備在這段時間內(nèi)產(chǎn)生的告警信息進(jìn)行壓縮、過濾、計數(shù)、抑止操作，以減少冗余�；诳臻g的關(guān)聯(lián)分析是基于網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)的故障定位的實現(xiàn)，確定出真正的故障源。優(yōu)化的系統(tǒng)提供了可視化的操作界面，網(wǎng)絡(luò)管理人員可以實時查看網(wǎng)絡(luò)中出現(xiàn)的告警信息和關(guān)聯(lián)分析處理后的故障信息，可以對這些告警信息進(jìn)行過濾、刪除等操作，也可以通過郵件的形式把告警信息發(fā)送給網(wǎng)絡(luò)管理人員。系統(tǒng)還提供了對于告警信息的一些參數(shù)配置，比如事件類別、類型、嚴(yán)重程度等。 系統(tǒng)優(yōu)化之后的運行情況證明，優(yōu)化的網(wǎng)絡(luò)故障管理子系統(tǒng)，可以有效地支持校園網(wǎng)絡(luò)的故障管理，同時，系統(tǒng)在部署上具有良好的可擴(kuò)展性和靈活性。
[Abstract]:With the development of computer technology and Internet and the expansion of network scale, the safe and stable operation of network becomes more and more important. However, in the network operation, the network elements in the network will produce a variety of network events, these events potentially show the running state and behavior of the network elements, and effectively monitor these network events is an important guarantee to realize network management. Therefore, it is very important to establish a perfect network fault management system to ensure the efficient and stable operation of computer network. By studying the basic requirements and functions of network fault management, the remote call methods and related technologies of simple network management protocols (SNMP and EJB), this paper optimizes the design of event modules of existing SNMS network management systems. A fault location algorithm based on network topology is designed and implemented. The optimized system is based on the B / S structure and the browser interface is designed and implemented. The browser side mainly adopts jQuery technology, the server side mainly uses EJB technology, and the communication technology between them mainly uses Ajax and Servlet technology. For the alarm events in the network, the system mainly analyzes the relationship between time and space in order to determine the final fault source. The correlation analysis based on time is mainly used to compress filter count and suppress the alarm information generated by the same device in a certain time window in order to reduce redundancy. Space-based correlation analysis is the realization of fault location based on network topology to determine the true fault source. The optimized system provides a visual operation interface. Network managers can view the alarm information and the fault information after the association analysis in real time. They can filter and delete the warning information. Alarm information can also be sent to network managers by mail. The system also provides some parameter configuration for alarm information, such as event category, type, severity and so on. After the system is optimized, it is proved that the optimized network fault management subsystem can effectively support the campus network fault management, at the same time, the system has good scalability and flexibility in deployment.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TP393.02

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