Data communication device and method for keeping high availability of data communication device

A data communication and high-availability technology, applied in data exchange through path configuration, digital transmission system, error prevention, etc., can solve problems such as high cost, wasted hardware capacity, troublesome maintenance, etc., and achieve simple maintenance and reduced cost investment , the effect of high availability

Active Publication Date: 2009-03-11
IYUKO SERVICES
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AI Technical Summary

Problems solved by technology

On the other hand, the capabilities of modern hardware are sufficient to meet the needs of most software, so hardware capabilities are often wasted because they are not fully utilized
[0004] Therefore, in the backup methods of devices such as existing firewalls or virtual private networks (VPNs), because an additional hardware backup device needs to be purchased, the cost is relatively high, and the maintenance is cumbersome.

Method used

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  • Data communication device and method for keeping high availability of data communication device
  • Data communication device and method for keeping high availability of data communication device
  • Data communication device and method for keeping high availability of data communication device

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Embodiment Construction

[0015] A virtual machine system refers to a system that operates one or more virtual machines on a physical machine at the same time. It implements virtual management through a virtual machine monitor (VMM) or a hypervisor. Each virtual machine is A logical entity implemented by a hardware platform. Each virtual machine can run on a copied operating system independently of other virtual machines, and multiple virtual machines use the same hardware resources, so virtual technology can fully and effectively use system hardware resources.

[0016] Please refer to FIG. 1 , which is a structural block diagram of a data communication device 200 according to an embodiment of the present invention. The data communication device 200 may be a device such as a firewall (firewall) or a virtual private network (VPN), and the data communication device 200 includes physical hardware 100, a virtual machine monitor 102, a first virtual machine 201 and a second virtual machine 202, so One of t...

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Abstract

The invention discloses data communication equipment used for processing data flow, which comprises a hardware body, at least two virtual machines and a virtual machine monitor which operates on the hardware body. One of at least two virtual machines is an operating virtual machine used for processing the data flow, and the other virtual machine is a backup virtual machine. The virtual machine monitor is communicated with the virtual machines, can monitor the operating virtual machine, and is switched to the backup virtual machine when the operating virtual machine can not operate or has overloads. The invention also discloses a method for keeping high usability of the data communication equipment. The cost is lower and the maintenance is simple by adopting the data communication equipment and the method for keeping high usability of the data communication equipment.

Description

technical field [0001] The invention relates to a data communication device, in particular to a high-availability data communication device using virtual technology and a method for maintaining high availability of the data communication device. Background technique [0002] Data communication devices in the network, such as firewalls and virtual private network (VPN) devices, usually receive a data flow through an input port, then process the data flow according to predetermined rules and send the processed data flow to multiple user. Maintaining high availability is very important for these devices, in the event of an operating error, a backup device must be activated immediately to continue processing the data stream so that the data communication is not interrupted. Therefore, switching from the working device to the backup device requires performing a link switch. [0003] For these data communication devices, most of the problems are caused by software, such as core ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/22H04L12/46H04L29/06
Inventor 赵宇
Owner IYUKO SERVICES
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