Virtual network mapping method

A technology of virtual network mapping and virtual resources, which is applied in the direction of network interconnection, data exchange network, data exchange through path configuration, etc. It can solve the problems of unreasonable node mapping and low success rate of virtual network mapping, so as to improve the successful mapping The number of connections, improving the success rate of mapping, and reducing the effect of node mapping

Inactive Publication Date: 2016-01-20
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the existing virtual network algorithm is prone to link mapping failure due to unreasonabl...

Method used

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Embodiment Construction

[0043] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the following.

[0044] Such as figure 1 As shown, a virtual network mapping method includes the following steps:

[0045] S1. Generate the request queue and the service gateway queue in the current time window, and arrange the virtual resource requests in the request queue in the order of their priority from high to low.

[0046] In step S1, the step of assigning priority to each virtual resource request in the request queue is: arrange the virtual resource requests in the request queue according to the requested resource from small to large, and the virtual resource request with the smaller requested resource has a higher priority. high.

[0047] The calculation formula for virtual resource request for resource is:

[0048] D M ( G V ) = α v X n...

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Abstract

The invention discloses a virtual network mapping method which includes the steps that 1, a request queue and a service gateway queue are generated; 2, whether a virtual request resource which is not mapped successfully exits or not is judged, and if yes, step 3 is executed; if not, virtual resource request mapping is ended; 3, a service gateway is selected; 4, underlying cluster selection is conducted; 5, whether virtual resource request mapping is solvable or not is judged, if yes, virtual network mapping is conducted, an underlying physical network resource state is updated, the request is deleted, and step 2 is executed; if not, step 6 is executed; 6, whether the underlying cluster range is smaller than the service gateway management region or not is judged, if yes, the underlying cluster range is broadened, and step 5 is executed; if not, the service gateway is deleted, and step 7 is executed; 7, whether the service gateway queue is empty or not, and if not, step 3 is executed; if yes, step 8 is executed; 8, whether times of queuing again exceed the preset times or not is judged, if yes, the request is rejected, and step 2 is executed; if not, the request is sent to a waiting queue, and step 2 is executed. By means of the virtual network mapping method, the mapping success number is maximized.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to a virtual network mapping method. Background technique [0002] With the rapid development of science and technology and the strong drive of social demand, as well as the evolution of data production methods and the sharp drop in the cost of data generation, the data generated by humans is increasing exponentially. Due to the rapid expansion of data scale, the amount of data accumulated in all walks of life is becoming larger and larger, and the types of data are becoming more and more diverse and more complex, which has exceeded the capabilities of traditional data management systems and processing modes. So far, along with our pace of selling 5G, there is no technology for wireless link capacity that can significantly increase wireless link resources. With regard to the current available bandwidth, LTE is already close to the limit of spectrum efficiency. Therefore, ...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L12/24H04L12/865H04L47/6275
Inventor 谭志欢冯钢秦爽文瑞涵
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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