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A virtual network management method

A management method and virtual network technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of complex ARP network attack prevention, avoid communication failures, eliminate MAC address conflicts, and enhance security.

Active Publication Date: 2017-01-18
G CLOUD TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The technical problem solved by the present invention is to provide a method for virtual network management in cloud computing, which solves complex problems such as virtual network card MAC address location identification, MAC address allocation management, MAC address and IP address binding management, and ARP network attack prevention.

Method used

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Experimental program
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Embodiment Construction

[0031] Such as figure 1 As shown, first add a network card in the network card resource pool, configure the basic network information of the network card, select the connected physical network, and set the binding between the IP address and the MAC address. The system automatically assigns a unique MAC address to the network card. code show as below:

[0032]

[0033]

[0034]

[0035]

[0036] Such as figure 1 As shown, add a network card to the network card resource pool, configure the basic network information of the network card, select the connected physical network, and set the binding between the IP address and the MAC address. The system will automatically assign a unique MAC address to the network card. The implementation code is as follows :

[0037]

[0038]

[0039] Such as figure 1 As shown, the user selects an available network card from the network card resource pool and configures it for the virtual machine. The state of the network card ch...

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Abstract

The invention relates to the field of cloud computing, in particular to a virtual network management method. Firstly, new network cards are added in a network card resource pool, and the base information such as networks, IPs and binding relations of the network cards is set; a system allocates unique MAC addresses to the network cards according to rules; the network cards are automatically put in the network card resource pool for unified management and maintenance after the addition, and the network cards are in a usable state at the moment; when a virtual machine uses a network card, firstly, one network card in the usable state is selected and taken out from the network resource pool, and the network card is configured to the virtual machine; after the virtual machine finishes the configuration of the network card, a virtual machine network can be used normally. The virtual network management method solves the complex problems of virtual machine network card MAC address positioning identification, MAC address allocation management, MAC address and IP address binding management, ARP network attack prevention and the like, and can be used for virtual network management.

Description

technical field [0001] The invention relates to the field of cloud computing, in particular to a virtual network management method. Background technique [0002] In the era of cloud computing, virtual hosts replace physical hosts and become the main body of the network. From a network perspective, virtual machine networks and physical machine networks are consistent, and both have identification information such as IP addresses and MAC addresses. With the deployment of private clouds in various organizations, the number of virtual machines is far greater than the number of physical machines. There are virtual networks on virtual machines, and virtual networks have their own IP addresses and MAC addresses like physical networks. The difference between the MAC address and the MAC address of the physical network card is that the MAC address of the virtual network card is generally randomly generated or specified by the user. Generally, the life cycle of the virtual network card...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/08H04L12/24
Inventor 张雪梅杨松莫展鹏季统凯
Owner G CLOUD TECH
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