Classification-based virtual network mapping method and system

A virtual network mapping and network sub-technology, applied in the classification-based virtual network mapping method and system field, can solve the problems of low utilization of underlying network resources, high computational complexity, and long mapping processing time

Inactive Publication Date: 2017-10-31
INST OF ACOUSTICS CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The virtual network mapping problem proves to be a difficult technical problem with high computational complexity
Existing methods do not propose effective measures to reduce computational complexity, resulting in long mapping processing time and low utilization of underlying network resources

Method used

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  • Classification-based virtual network mapping method and system
  • Classification-based virtual network mapping method and system
  • Classification-based virtual network mapping method and system

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Experimental program
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Embodiment Construction

[0072] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0073] A classification-based virtual network mapping method of the present invention includes:

[0074] According to the network topology information of each area, classify and analyze the virtual nodes in the virtual network request, divide the requested virtual network into smaller virtual network sub-requests according to the classification results, and assign the virtual network sub-requests to the management of each area Entities perform parallel mapping processing; when the management entities in each region map virtual network sub-requests, they introduce a resource balancing mechanism to balance the demand constraints of virtual network sub-requests and the available resources of the underlying physical network in the region, while coordinating and integrating Mapping of virtual nodes and mapping of virtual links; after the manageme...

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Abstract

The invention provides a classification-based virtual network mapping method and system. The method includes: classifying virtual nodes in a virtual network request according to network topology information of each area, and dividing the requested virtual network into two parts according to the classification result. For virtual network sub-requests with a smaller scale, the virtual network sub-requests are assigned to the management entities in each area for parallel mapping processing; when the management entities in each area map virtual network sub-requests, a resource balancing mechanism is introduced to separately map the virtual network sub-requests. The demand restrictions of sub-requests and the available resources of the underlying physical network in the region are balanced, and the mapping of virtual nodes and virtual links are coordinated and integrated; after the management entities of all regions have completed the mapping, the global management entity integrates the regions. The mapping result of the management entity and feedback to the user. Compared with the prior art, the present invention has the characteristics of low computational complexity, fast mapping and better load balancing of the underlying physical network.

Description

technical field [0001] The invention relates to network virtualization technology, in particular to a classification-based virtual network mapping method and system. Background technique [0002] Network virtualization technology is the core technology of the future Internet. It allows multiple virtual networks to be supported on a shared underlying network resource. These virtual networks can have different network architectures and can also carry different types of services. [0003] A key issue in network virtualization technology is virtual network mapping. By mapping the virtual nodes and virtual links in the virtual network request to the underlying network resources, the node and link requirements of the virtual network request are met. The virtual network mapping problem proves to be a difficult technical problem with high computational complexity. Existing methods do not propose effective measures to reduce computational complexity, resulting in long mapping proce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/803
CPCH04L41/122
Inventor 尤佳莉薛娇郑鹏飞卓煜
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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