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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

Active Publication Date: 2018-11-02
北京云启志新科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the Network Node node directly faces the public network, the performance of a single node is poor, and it cannot be expanded in a cluster. Therefore, for a virtual machine user, the network node corresponding to the user is easily unable to serve due to distributed denial-of-service DDoS attacks.
At present, a single node of Network Node is easily paralyzed by syn flood or large bandwidth attack

Method used

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  • A multi-tenant-oriented cloud network system
  • A multi-tenant-oriented cloud network system
  • A multi-tenant-oriented cloud network system

Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention discloses a multi-tenant-oriented cloud network system. The cloud network system includes: a computing node, a virtual router cluster, and a cloud gateway. The virtual machine included in the computing node exchanges messages with the public server in the private network through the virtual router cluster; and, the virtual machine communicates with the virtual router cluster and 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 IP address to the private network switch; the cloud gateway includes at least two gateway nodes, each The gateway node publishes an equivalent default route to the private network switch, and each of the gateway nodes publishes the same floating IP address to the public network router or public network switch, so as to realize the cluster expansion of the cloud network system, and avoid the problem caused by a single node Failures affect the availability of the entire network, improving the network's attack defense capabilities.

Description

technical field [0001] Embodiments of the present invention relate to data transmission technologies, and in particular to a multi-tenant-oriented cloud network system. Background technique [0002] Network management and configuration is a very important function in cloud computing technology, and realizing a flexible, efficient and secure network system has always been the goal pursued by various cloud platforms. [0003] Most of the existing public cloud network systems or private cloud network systems are solutions based on the Openstack community, an open source cloud computing management platform, including flat network systems and network systems based on a cascading design overlay. The above-mentioned network system can meet the requirements of use in small-scale deployment or internal use. Then, as a commercial solution, there are obvious performance bottlenecks and security bottlenecks for large-scale tenants and Internet access. E.g, figure 1 Provides a flat ne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L12/707H04L12/733H04L45/122H04L45/24
CPCH04L45/20H04L45/24H04L67/10H04L67/1044
Inventor 张陵杨娜李雅妮段利平
Owner 北京云启志新科技股份有限公司
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