VXLAN隧道的設計與實現(xiàn)
發(fā)布時間：2018-08-02 10:21
【摘要】：隨著數(shù)據(jù)集中的發(fā)展和虛擬化技術的應用，數(shù)據(jù)中心的規(guī)模與日俱增，對二層網(wǎng)絡的區(qū)域范圍要求也越來越大。為了解決通過使用虛擬局域網(wǎng)VLAN對租戶的數(shù)量有一定限制的問題，VMware公司提出了一種L2over L3的技術解決方案—可擴展的虛擬局域網(wǎng)VXLAN。 VXLAN是一種MAC In IP技術，通過將二層報文封裝在IP頭中，達到穿越IP網(wǎng)絡的目的，它提供了跨數(shù)據(jù)中心結構創(chuàng)建隔離式多租戶廣播域的功能，并且使客戶能夠創(chuàng)建可跨越物理網(wǎng)絡邊界的彈性邏輯網(wǎng)絡。 本系統(tǒng)為分布式系統(tǒng)，基于VXLAN協(xié)議使用C語言進行開發(fā)，整體上采用三段式設計，下行：二層報文進入VXLAN Tunnel，，中部：創(chuàng)建VXLAN Tunnel，上行：對二層報文進行加封裝并轉發(fā)。系統(tǒng)主要分為四個功能模塊：VXLANTunnel的創(chuàng)建與刪除及源地址與目的地址的配置、VXLAN Tunnel的狀態(tài)檢測、報文的轉發(fā)以及NETCONF的相關操作。 在系統(tǒng)中，通過命令行方式和NETCONF方式對VXLAN Tunnel進行創(chuàng)建，完成了對整個虛擬化網(wǎng)絡的搭建，通過對二層報文進行加封裝并對封裝后報文進行三層報文轉發(fā)以及對解封裝后的報文進行二層轉發(fā)，實現(xiàn)了通過三層網(wǎng)絡連接的兩個二層網(wǎng)絡之間的互通。 在系統(tǒng)實現(xiàn)完成之后，對系統(tǒng)的各個功能分別進行了測試，測試的結果總體符合預期，達到系統(tǒng)的要求。
[Abstract]:With the development of data set and the application of virtualization technology, the scale of data center is increasing day by day. In order to solve the problem that the number of tenants is limited by using virtual local area network (VLAN), VMware has put forward a technical solution of L2over L3, which is an extensible virtual LAN VXLAN. VXLAN is a kind of MAC In IP technology. By encapsulating the two-layer packets in the IP header to traverse the IP network, it provides the function of creating isolated multi-tenant broadcast domains across the data center structure, and enables customers to create resilient logical networks that cross the boundaries of the physical network. This system is a distributed system, which is developed by C language based on VXLAN protocol. The whole system adopts three-segment design, downlink: two-layer message enters VXLAN Tunnel, middle: create VXLAN Tunnel, uplink: encapsulate and forward two-layer message. The system is mainly divided into four functional modules: creation and deletion of the: VXLAN Tunnel, configuration of the source address and destination address, status detection of the VXLAN Tunnel, forwarding of the message and operation of the NETCONF. In the system, VXLAN Tunnel is created by command line method and NETCONF mode, and the whole virtualized network is built. The interworking between the two layer networks connected by the three layers network is realized by encapsulating the second layer packets, forwarding the packets after the encapsulation of the two layers and forwarding the unsealed packets on the two layers. After the implementation of the system, the functions of the system are tested, and the results of the test are in line with the expectations and meet the requirements of the system.
【學位授予單位】：哈爾濱工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TP393.1
本文編號：2159120
[Abstract]:With the development of data set and the application of virtualization technology, the scale of data center is increasing day by day. In order to solve the problem that the number of tenants is limited by using virtual local area network (VLAN), VMware has put forward a technical solution of L2over L3, which is an extensible virtual LAN VXLAN. VXLAN is a kind of MAC In IP technology. By encapsulating the two-layer packets in the IP header to traverse the IP network, it provides the function of creating isolated multi-tenant broadcast domains across the data center structure, and enables customers to create resilient logical networks that cross the boundaries of the physical network. This system is a distributed system, which is developed by C language based on VXLAN protocol. The whole system adopts three-segment design, downlink: two-layer message enters VXLAN Tunnel, middle: create VXLAN Tunnel, uplink: encapsulate and forward two-layer message. The system is mainly divided into four functional modules: creation and deletion of the: VXLAN Tunnel, configuration of the source address and destination address, status detection of the VXLAN Tunnel, forwarding of the message and operation of the NETCONF. In the system, VXLAN Tunnel is created by command line method and NETCONF mode, and the whole virtualized network is built. The interworking between the two layer networks connected by the three layers network is realized by encapsulating the second layer packets, forwarding the packets after the encapsulation of the two layers and forwarding the unsealed packets on the two layers. After the implementation of the system, the functions of the system are tested, and the results of the test are in line with the expectations and meet the requirements of the system.
【學位授予單位】：哈爾濱工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TP393.1
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