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Data center virtual network mapping method and system

A virtual network mapping, data center technology, applied in data exchange networks, digital transmission systems, transmission systems, etc., can solve problems such as unavailability of other dimensional resources, resource waste, mapping resource utilization and balance restrictions, etc., to reduce Bandwidth resource consumption, resource utilization improvement, and the effect of improving resource utilization

Active Publication Date: 2021-11-09
XIDIAN UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that when selecting a server for a virtual node, only the first server that meets the resource constraints is selected, and the balance of server computing resources and link resources is not considered, which may easily lead to exhaustion of single-dimensional resources. Cause other dimensional resources to be unavailable, cause waste of resources, and affect resource utilization
[0006] (1) Most of the existing virtual network mapping algorithms are aimed at the general network topology, and the data center network topology is generally symmetrical, so it is necessary to design the virtual network mapping algorithm of the data center in a targeted manner, and the multi-tenant, heterogeneous data center Features highlight the problem of unbalanced data center resource allocation
[0007] (2) Most of the existing studies only focus on the balance of single-dimensional resources, but do not consider the balance between multi-dimensional resources, which may easily lead to the exhaustion of single-dimensional resources, resulting in the unavailability of other dimensional resources, resulting in waste of resources and making the utilization of mapping resources rate and balance are limited
[0008] The difficulty in solving the above problems and defects is: there is a coupling relationship between the multi-dimensional resources of the data center network and the multi-dimensional resource requirements of the virtual network request. How to design a reasonable data center virtual network mapping algorithm to realize the internal and Load balancing among multidimensional resources is a key problem

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Embodiment Construction

[0076] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0077] Aiming at the problems existing in the prior art, the present invention provides a data center virtual network mapping method and system. The present invention will be described in detail below with reference to the accompanying drawings.

[0078] Such as figure 1 As shown, the data center virtual network mapping method provided by the embodiment of the present invention includes the following steps:

[0079] S101, constructing a virtual network request;

[0080] S102. Determine the mapping order of the virtual nodes;

[0081] S103, sorting pods and racks in the data center;

[0082] S104, mapping virtual nodes; ...

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Abstract

The invention belongs to the technical field of communication, and discloses a data center virtual network mapping method and system, wherein the method comprises the steps: calculating the available resources of each rack and pod of a data center of a Fat-Tree topology, and carrying out the descending sorting of the racks and pods according to the available resources; calculating bandwidth resource requirements of all virtual nodes in the virtual network request, and carrying out descending sorting on the virtual nodes according to the resource requirements; in the sequenced data center, selecting servers according to a balance formula, namely calculating the balance of all the servers under the rack, and selecting the server with the minimum balance index to bear the current virtual node; after all the nodes are mapped, carrying out link mapping; and after all the nodes and links are successfully mapped, determining that the virtual network is successfully mapped, and otherwise, determining that the mapping fails. Balanced mapping is considered on the premise of near-field mapping, the resource utilization rate is improved, and load balancing is achieved.

Description

technical field [0001] The invention belongs to the technical field of communications, and in particular relates to a data center virtual network mapping method and system. Background technique [0002] In recent years, cloud computing applications have developed rapidly. As a key technology of cloud computing, virtualization technology pools the underlying data center infrastructure resources (computing, storage and network resources), uses virtual network mapping algorithms to allocate resources to different users, and realizes resource sharing on demand. Virtual network mapping refers to the allocation of physical resources for virtual network requests in the shared underlying physical network under the constraints of physical resource requirements and service quality requirements of virtual network requests. [0003] The virtual network mapping problem first appeared in the Internet scenario and has been extensively studied. However, the regular topology of data center...

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L12/24
CPCH04L47/125H04L41/0896
Inventor 马英红杨妮李建东索龙李红艳钱声攀祁超帅李续楠刘伟刘勤
Owner XIDIAN UNIV
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