本文選題：數(shù)據(jù)中心 + VXLAN協(xié)議�。� 參考：《西南交通大學(xué)》2015年碩士論文

【摘要】：隨著云計(jì)算的發(fā)展,數(shù)據(jù)中心網(wǎng)絡(luò)作為云計(jì)算的基礎(chǔ)設(shè)施和下一代網(wǎng)絡(luò)技術(shù)的創(chuàng)新平臺成為了近年來學(xué)術(shù)界和工業(yè)界關(guān)注的研究熱點(diǎn)。數(shù)據(jù)中心擁有大量計(jì)算資源以及存儲資源。而隨著云計(jì)算技術(shù)的發(fā)展這些資源已經(jīng)分別完成虛擬化。數(shù)據(jù)中心的虛擬化技術(shù)發(fā)展及云計(jì)算多租戶技術(shù)的要求催生了VXLAN技術(shù),該技術(shù)可以實(shí)現(xiàn)約1600萬個(gè)虛擬網(wǎng)絡(luò)的隔離,同時(shí)為虛擬機(jī)發(fā)生遷移時(shí)提供可靠的大二層網(wǎng)絡(luò)。而VXLAN環(huán)境下的MAC地址數(shù)量急速增加,在二層轉(zhuǎn)發(fā)過程中傳統(tǒng)的MAC地址自學(xué)習(xí)方案需要整網(wǎng)泛洪,即發(fā)送廣播報(bào)文,浪費(fèi)大量帶寬同時(shí)比較耗時(shí)。所以同步VTEP間MAC地址意義重大。本文結(jié)合VXLAN環(huán)境特點(diǎn)對ISIS動(dòng)態(tài)路由協(xié)議進(jìn)行改進(jìn),提出一種基于ISIS動(dòng)態(tài)路由協(xié)議的VTEP間MAC同步方案。本文基于某公司Comware平臺實(shí)現(xiàn)了VXLAN環(huán)境下VTEP問MAC同步方案。本系統(tǒng)基于多線程機(jī)制設(shè)計(jì)實(shí)現(xiàn),主要分為系統(tǒng)事件處理線程、數(shù)據(jù)維護(hù)線程、鄰居維護(hù)線程、路由維護(hù)線程、LSP維護(hù)線程等五個(gè)模塊。系統(tǒng)事件處理模塊負(fù)責(zé)系統(tǒng)數(shù)據(jù)資源初始化及完成相關(guān)調(diào)度任務(wù)；數(shù)據(jù)維護(hù)模塊負(fù)責(zé)處理本地動(dòng)態(tài)MAC信息；鄰居維護(hù)模塊負(fù)責(zé)VTEP間鄰居關(guān)系的建立與取消；LSP維護(hù)模塊負(fù)責(zé)維護(hù)LSP報(bào)文以及同步LSDB;路由維護(hù)模塊負(fù)責(zé)維護(hù)路由信息：路由計(jì)算、遠(yuǎn)端MAC信息維護(hù)等。最后在某公司交換機(jī)設(shè)備上對本軟件的系統(tǒng)功能進(jìn)行了實(shí)例驗(yàn)證。實(shí)驗(yàn)結(jié)果表明本軟件各項(xiàng)功能正常,實(shí)現(xiàn)了VTEP間MAC信息同步,完成了本方案的各項(xiàng)功能需求。
[Abstract]:With the development of cloud computing, data center network, as the infrastructure of cloud computing and the innovative platform of next generation network technology, has become the research focus of academia and industry in recent years. The data center has a large number of computing resources and storage resources. With the development of cloud computing technology, these resources have been completed virtualization. The development of data center virtualization technology and the requirement of cloud computing multi-tenant technology give birth to VXLAN technology. This technology can isolate about 16 million virtual networks and provide reliable two-tier network when virtual machines migrate. However, the number of MAC addresses in VXLAN environment increases rapidly. In the second layer forwarding process, the traditional MAC address self-learning scheme needs the whole network flooding, that is, sending broadcast messages, wasting a lot of bandwidth and consuming more time. So synchronization between VTEP MAC address is of great significance. According to the characteristics of VXLAN environment, this paper improves the dynamic routing protocol of ISIS, and proposes a MAC synchronization scheme between VTEP based on the dynamic routing protocol of ISIS. In this paper, a VTEP MAC synchronization scheme under VXLAN environment is implemented based on Comware platform of a company. The system is designed and implemented on the basis of multithread mechanism, which is divided into five modules: system event processing thread, data maintenance thread, neighbor maintenance thread, route maintenance thread and LSP maintenance thread. The system event processing module is responsible for the initialization of system data resources and the completion of related scheduling tasks; the data maintenance module is responsible for processing local dynamic MAC information; the neighbor maintenance module is responsible for the establishment and cancellation of the neighbor relationship between VTEP; The LSP maintenance module is responsible for maintaining LSP packets and synchronous LSDBs, while the routing maintenance module is responsible for maintaining routing information: routing calculation, remote MAC information maintenance and so on. Finally, the system function of the software is verified on the switch equipment of a company. The experimental results show that the functions of the software are normal and the MAC information synchronization between VTEP is realized.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TP308

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