A multi-tenant-oriented cloud network system
A cloud network and cloud gateway technology, applied in the field of data transmission, can solve problems such as inability to serve, poor performance of a single node, DDoS attacks, etc., to achieve the effect of improving attack defense capabilities and expanding network performance
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Embodiment 1
[0016] Figure 3A It is a schematic structural diagram of a multi-tenant-oriented cloud network system provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of ensuring the scalability and security of a large-scale multi-tenant cloud network. The cloud network system includes:
[0017] A computing node, a virtual router cluster, and a cloud gateway, wherein the virtual machine included in the computing node performs message exchange with a public server in the private network through the virtual router cluster; and, the virtual machine communicates with the virtual router cluster and the The cloud gateway realizes message exchange with the public network; wherein, the virtual router cluster includes at least two virtual routers, and each of the virtual routers issues the same Internet Protocol (IP) address to the private network switch; the cloud gateway At least two gateway nodes are included, each of the gateway nodes publishes an...
Embodiment 2
[0048] Figure 4A It is a flowchart of a virtual machine of a multi-tenant-oriented cloud network system accessing public services in the public network in Embodiment 2 of the present invention. The method for the virtual machine to access public services in the public network is through the multi-tenant-oriented cloud network The system implementation includes the following steps:
[0049] S1. The virtual machine in the computing node sends the message to the open virtual switch through the network bridge. The BR-TUN of the open virtual switch determines that the destination address of the message is not other virtual machines in the same subnet, and sends the message through the open virtual switch according to the source address (the virtual network address of the virtual machine) and the destination address. Encapsulate into a preset packet format, for example, according to the VXLAN technology, the packet can be encapsulated into a UDP packet for tunnel transmission. Th...
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