Node re-distribution method in wireless network virtualization

A virtual node and wireless network technology, applied in wireless communication, data exchange network, network traffic/resource management, etc., can solve problems such as reducing InP revenue, reducing mapping success rate, load imbalance, etc., to improve acceptance rate and resources Utilization rate, improving resource utilization rate, and improving the effect of average income

Active Publication Date: 2017-02-22
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

It is precisely because of this dynamic that 1) the load of physical nodes or links is unbalanced, which reduces the success rate of mapping and resource utilization, thereby reducing the average income of the physical network; 2) the underlying physical network has sufficient resources, However, due to geographical constraints, the mapping cannot be completed, resulting in a waste of physical resources.
The problem to be solved by the present invention is: the dynamic arriva...

Method used

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  • Node re-distribution method in wireless network virtualization
  • Node re-distribution method in wireless network virtualization
  • Node re-distribution method in wireless network virtualization

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.

[0035] Technical scheme of the present invention is as follows:

[0036] The "node reallocation method in wireless network virtualization" of the present invention specifically includes the following steps:

[0037] Step 1) Determine whether to start the redistribution mechanism: calculate the load intensity of each physical node in the current physical network and the average load intensity of the physical nodes in the entire network, and compare the difference between the two, so as to determine whether there are physical nodes with excessive load to start the reallocation mechanism. Define physical node n S The load intensity of is the ratio of the sum of the resources consumed by the virtual nodes t...

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Abstract

The invention requests for protecting a node re-distribution method in wireless network virtualization. The node re-distribution method comprises the following steps of: analyzing load conditions of various nodes in a wireless physical network at first, so that whether a re-distribution mechanism needs to be started or not can be judged; when the re-distribution mechanism needs to be started, selecting virtual nodes to be re-distributed preferentially according to the resource quantities requested by the virtual nodes and the influence degree InI of the virtual nodes; and finally, for the determined virtual nodes, re-distributing target physical nodes. The node re-distribution method disclosed by the invention aims to realize load balancing and increase the utilization rate of bottom physical resources, the receptance of virtual network requests and the average yield of the physical network through virtual node re-distribution.

Description

technical field [0001] The invention aims at the research of the resource allocation algorithm in the wireless network virtualization, and studies the node redistribution method in the wireless network virtualization. Background technique [0002] Network virtualization technology separates resource management in the network from network service management, that is, divides the traditional service provider (Internet Service Provider, ISP) into an infrastructure provider (Infrastructure Provider, InP) and a network service provider (Service Provider, SP). ). The SP is responsible for leasing resources from the InP, creating a virtual network, and providing network services to its end users, while the InP is responsible for building and maintaining the underlying physical infrastructure. Network virtualization technology allows multiple virtual network requests to share the same underlying physical network. How to effectively and reasonably allocate resources for different vi...

Claims

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Application Information

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IPC IPC(8): H04W28/08H04W72/04H04L12/803H04L12/917H04L47/76
CPCH04L47/125H04L47/76H04W28/08H04W72/52H04W72/53H04W72/20
Inventor 李云张朝阳刘期烈曹傧
Owner CHONGQING UNIV OF POSTS & TELECOMM
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