Virtual network mapping method and device

A technology of virtual network mapping and virtual network, applied in the field of VLAN

Active Publication Date: 2016-11-09
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
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Problems solved by technology

The VLAN ID in the VLAN tag is only 12 bits, which means that using the existing VLAN technology for virtual network isolation will be limited to 4096

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  • Virtual network mapping method and device
  • Virtual network mapping method and device

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Embodiment Construction

[0052] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0053] A method and device for virtual network mapping disclosed in the embodiments of the present invention will be described in detail below.

[0054] In order to facilitate the understanding of a method and device for virtual network mapping provided by the present invention, the principle diagram based on the embodiment of the present invention is firstly introduced.

[0055] Such as figure 1 as shown, figure 1 It is a schematic diagram of the virtual ne...

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Abstract

The invention discloses a virtual network mapping method and device. The method comprises the steps of: obtaining a plurality of virtual network requests corresponding to first virtual networks to be mapped to a physical network in a current time window; according to the at least one first virtual network request in the virtual network requests, mapping all virtual nodes of at least one first virtual network to corresponding physical nodes of the physical network; according to at least one virtual network request whose virtual node mapping is completed in the first virtual network requests, mapping all virtual links corresponding to the first virtual network whose virtual node are mapped to the corresponding physical links in the physical network; and after the mapping of each virtual link of the at least one first virtual network is completed, obtaining the corresponding physical links and unengaged virtual network identifiers VLAN IDs, and distributing the VLAN IDs to each virtual link. According to the invention, the VLAN ID multiplex mapping method based on an SDN environment is realized.

Description

technical field [0001] The present invention relates to the technical field of VLAN (Virtual Local Area Network, virtual local area network), and more specifically relates to a method and device for virtual network mapping. Background technique [0002] Network virtualization is a key technology for future computer networks. It can abstract the resources in the physical network. When the tenants of the virtual network request network resources from the virtualization platform, network virtualization can allocate resources through the virtual network mapping algorithm to meet the needs of the tenants. The emergence of SDN (Software Defined Network, software-defined network) provides a promising way to build network virtualization, which integrates the control functions in the network into the central control plane. [0003] Slicing isolation in a virtual network is an important issue in building a virtual network. In the context of SDN, slice isolation methods can be mainly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46
CPCH04L12/4641H04L12/4679
Inventor 黄韬刘江潘恬张娇辛远铭杨帆谢人超郭达
Owner BEIJING UNIV OF POSTS & TELECOMM
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