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1、武漢科技大學(xué)碩士學(xué)位論文基于SNMP的網(wǎng)絡(luò)拓?fù)浒l(fā)現(xiàn)算法研究姓名:王娟娟申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師:陳建勛20080428武漢科技大學(xué)碩士學(xué)位論文第1頁摘要隨著計(jì)算機(jī)和通信技術(shù)的發(fā)展,計(jì)算機(jī)網(wǎng)絡(luò)作為信息社會(huì)的基礎(chǔ)設(shè)施滲透到了社會(huì)的各個(gè)方面。網(wǎng)絡(luò)管理技術(shù)正是伴隨著計(jì)算機(jī)網(wǎng)絡(luò)及通信技術(shù)的發(fā)展而發(fā)展的。一個(gè)有效的網(wǎng)絡(luò)離不開一個(gè)高效的網(wǎng)絡(luò)管理策略,而一個(gè)好的網(wǎng)絡(luò)管理系統(tǒng)首先就是要掌握整個(gè)管理網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu),網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)的自動(dòng)發(fā)現(xiàn)是進(jìn)行網(wǎng)絡(luò)管理和性能分析的先決條件。網(wǎng)絡(luò)拓?fù)浒l(fā)現(xiàn)主要分為兩個(gè)層次:(1).網(wǎng)絡(luò)層拓?fù)浒l(fā)現(xiàn),包括發(fā)現(xiàn)路由器與路
2、由器及路由器與子網(wǎng)之間的連接;(2)物理層拓?fù)浒l(fā)現(xiàn),包括發(fā)現(xiàn)交換機(jī)與交換機(jī)及交換機(jī)與主機(jī)之間的連接。本文集中對(duì)基于SNMP的網(wǎng)絡(luò)拓?fù)浒l(fā)現(xiàn)算法進(jìn)行了分析和研究,并設(shè)計(jì)出了網(wǎng)絡(luò)層拓?fù)浒l(fā)現(xiàn)算法,實(shí)現(xiàn)了網(wǎng)絡(luò)層的拓?fù)浒l(fā)現(xiàn)。文中首先闡述了網(wǎng)絡(luò)拓?fù)浒l(fā)現(xiàn)的相關(guān)概念和原理,然后進(jìn)一步介紹了基于SNMP的網(wǎng)絡(luò)拓?fù)浒l(fā)現(xiàn)算法的理論基礎(chǔ),并深入分析了基于SNMP的網(wǎng)絡(luò)拓?fù)浒l(fā)現(xiàn)的三種算法,總結(jié)出它們的優(yōu)點(diǎn)和缺點(diǎn),然后結(jié)合三種算法的優(yōu)點(diǎn),進(jìn)而提出一種更先進(jìn)的算法。最后,詳細(xì)描述了網(wǎng)絡(luò)層拓?fù)浒l(fā)現(xiàn)算法的實(shí)現(xiàn),并通過測(cè)試,證實(shí)了算法的準(zhǔn)確性和有效性。關(guān)鍵詞:簡單網(wǎng)絡(luò)管理協(xié)議;網(wǎng)絡(luò)
3、管理;生成樹協(xié)議;路由表第1I頁武漢科技大學(xué)碩士學(xué)位論文AbstractWiththedevelopmentofcomputerandcommunicationstechnology,computernetworkwhichbeingastheinfrastructureofinformationsocietyhasinfiltratedeveryaspectofsociety.Accompaniedbythedevelopmentofcomputernetworkandcommunicationtechnology,networkmanage
4、menttechnologyhasalsobeendeveloped.Aneffectivenetworkcannotdowithoutanefficientstrategyofnetworkmanagement,Meanwhile,agoodnetworkmanagementmustknowthewholenetworktopologyfirst,SOnetworktopology’Sautomaticdiscoveryisthepreconditionofnetworkmanagementandperformanceanalysis.Net
5、worktopologydiscoverycanbedividedintotwoparts:First,networklayertopologydiscovery,includingthelinkbetweenroutersorthelinkbetweensub-networksandrouters;Second,physicallayertopologydiscovery,includingthelinkbetweenswitchesorthelinkbetweenswitchesandhosts.Inthisthesis,thealgori
6、thmsoftheSNMP-basednetworktopologydiscoveryisanalyzedandstudied,Accordingthat,designandimplementationofthealgorithmfornetworktopologydiscoveryareproposed.Firstly,therelevantconceptsandprinciplesaboutnetworktopologydiscoveryareintroduced,Thetheoryfoundationofthenetworktopolog
7、ydiscoverybasedonSNMPisconcluded,Then,threealgorithmsofthenetworktopologydiscoverybasedonSNMPareanalyzed,Atthesametime,advantagesanddisadvantagesarepointedout,Animprovedalgorithmisputforwardwhichcombinestheadvantagesofthethreealgorithms.Finally,theimplementationoftopologydis
8、coveryfornetworklayeraredescribedindetail,Andtheaccuracyandavailabilityofth