本文選題：蟻群算法 + 信息素�。� 參考：《武漢輕工大學(xué)》2016年碩士論文

【摘要】：本文選題來源湖北省自然科學(xué)基金資助項(xiàng)目(編號2009Chb008)—流控制傳輸協(xié)議的擁塞控制新型計(jì)算模型研究,其對象是網(wǎng)絡(luò)通信必須的物理設(shè)備。傳統(tǒng)的網(wǎng)絡(luò)管理是監(jiān)測管理對象的故障現(xiàn)象,或接受管理對象的故障報(bào)告,再創(chuàng)建和維護(hù)故障日志記錄庫,并人工對故障日志進(jìn)行分析實(shí)現(xiàn)網(wǎng)絡(luò)故障定位,而現(xiàn)在的大型網(wǎng)絡(luò)中網(wǎng)絡(luò)業(yè)務(wù)復(fù)雜,各類業(yè)務(wù)應(yīng)用導(dǎo)致的網(wǎng)絡(luò)故障原因有很多的不確定性,這種不確定性使人工定位網(wǎng)絡(luò)故障帶來了更加嚴(yán)峻的挑戰(zhàn)。蟻群算法是眾多不確定性技術(shù)的一種,有類似TSP、VRP模式的思想,涉及到網(wǎng)絡(luò)搜索問題,有良好的正反饋性和容錯性,在復(fù)雜性和精確性兩個方面也有很好的平衡,適用于大型網(wǎng)絡(luò)環(huán)境,所以本文以蟻群算法定位故障的精準(zhǔn)性、收斂性和效率性為目標(biāo),深入研究與分析了大型企業(yè)的網(wǎng)絡(luò)故障定位技術(shù)。本文首先深入總結(jié)了常用的網(wǎng)絡(luò)故障定位技術(shù),分析了確定性技術(shù)和不確定性技術(shù)的優(yōu)缺點(diǎn),提出了一種基于蟻群算法的網(wǎng)絡(luò)故障定位方法。在大型企業(yè)網(wǎng)絡(luò)環(huán)境中引入了網(wǎng)絡(luò)分析器和網(wǎng)絡(luò)探針,并改進(jìn)了它們之間的通信協(xié)議。為了適應(yīng)故障的動態(tài)性,引入了時(shí)間片信息;為了解決網(wǎng)絡(luò)故障上下游問題,引入了信息素濃度。此外還設(shè)計(jì)了大型企業(yè)網(wǎng)絡(luò)故障定位系統(tǒng)模型,并通過實(shí)驗(yàn)仿真,驗(yàn)證了在網(wǎng)絡(luò)節(jié)點(diǎn)較多、部署網(wǎng)絡(luò)探針最少和故障搜索次數(shù)最小的情況下本算法的正確性。最后,本文以大型企業(yè)(湖北廣電火鳳廣告電視媒資庫(備播)系統(tǒng))的網(wǎng)絡(luò)環(huán)境為例,對該企業(yè)網(wǎng)絡(luò)的安全需求,進(jìn)行了全面分析與設(shè)計(jì),通過仿真平臺GNS3對該企業(yè)內(nèi)部的網(wǎng)絡(luò)進(jìn)行搭建,并運(yùn)用基本的網(wǎng)絡(luò)技術(shù)如VLAN技術(shù)、HSRP技術(shù)、STP技術(shù)、TRUNK技術(shù)、鏈路聚合技術(shù)、防火墻技術(shù)、冗余技術(shù)、VPN技術(shù)等技術(shù)實(shí)現(xiàn)了企業(yè)網(wǎng)絡(luò)的互通互聯(lián)。在此基礎(chǔ)上通過編程實(shí)現(xiàn)了基于蟻群算法的企業(yè)網(wǎng)絡(luò)故障定位系統(tǒng),并通過系統(tǒng)的測試分析和故障案例分析,驗(yàn)證了在大型企業(yè)中引用蟻群算法思想定位網(wǎng)絡(luò)故障優(yōu)于其他普通算法。
[Abstract]:This thesis is based on the research of a new computing model of congestion control for the project funded by the Natural Science Foundation of Hubei Province (No. 2009Chb008- Stream Control Transmission Protocol), whose object is the physical equipment necessary for network communication. The traditional network management is to monitor the fault phenomenon of the management object, or to receive the fault report from the management object, create and maintain the fault log record base, and analyze the fault log manually to realize the network fault location. However, there are many uncertainties in the network failure caused by various kinds of service applications, which make the artificial location of network fault bring more serious challenges. Ant colony algorithm (ACA) is one of many uncertain techniques, which is similar to the TSPV VRP model and involves network search problems. It has good positive feedback and fault tolerance, and has a good balance between complexity and accuracy. It is suitable for large-scale network environment, so this paper takes the precision, convergence and efficiency of ant colony algorithm as the target, and deeply studies and analyzes the network fault location technology of large enterprises. Firstly, this paper summarizes the commonly used network fault location techniques, analyzes the advantages and disadvantages of deterministic and uncertain technologies, and proposes a network fault location method based on ant colony algorithm. Network analyzer and network probe are introduced into large enterprise network environment, and their communication protocols are improved. In order to adapt to the dynamic nature of the fault, the time slice information is introduced, and the pheromone concentration is introduced to solve the upstream and downstream problem of the network fault. In addition, the fault location system model of large enterprise network is designed, and the correctness of the algorithm is verified by the experimental simulation under the condition that there are more network nodes, the least number of network probes are deployed and the number of fault search is minimum. Finally, taking the network environment of the large enterprise (Hubei Radio and Television Huofeng Advertising Media Library (standby) system) as an example, the paper makes a comprehensive analysis and design of the security requirements of the enterprise network. The internal network of the enterprise is built through the simulation platform GNS3, and the basic network technologies such as VLAN technology, link aggregation technology, firewall technology, are used to build the network, such as the VLAN technology, the link aggregation technology, the firewall technology, the VLAN technology, the link aggregation technology and the firewall technology. Redundancy technology VPN technology and other technologies to achieve the interconnection of enterprise networks. On this basis, the enterprise network fault location system based on ant colony algorithm is realized by programming, and the test and analysis of the system and the fault case analysis are carried out. It is verified that the ant colony algorithm is superior to other common algorithms in network fault location.
【學(xué)位授予單位】：武漢輕工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TP393.07

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