Single-switch and single-controller transmission control method in the software defined network

A software-defined network, transmission control technology, applied in the direction of reasoning method, transmission system, digital transmission system, etc., can solve the problem of reducing the robustness of the system

Inactive Publication Date: 2020-01-10
BEIJING ELECTRONICS SCI & TECH INST
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  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a single-switch single-controller transmission control method in a software-defined network, to improve the negative impact of network bottleneck bandwidth on the overall

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  • Single-switch and single-controller transmission control method in the software defined network
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  • Single-switch and single-controller transmission control method in the software defined network

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Embodiment Construction

[0065] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0066] This embodiment provides a transmission control method for a single switch and a single controller in a software-defined network, such as figure 1 As shown, the method includes:

[0067] S101, establishing a software-defined network single-switch single-controller transmission control system model based on queuing game theory, and constructing a mathematical model of competitive behavior and goals among network nodes in the system model;

[0068] It should be noted that, in the system architecture, different users are connected to the network through the switching of the data layer, and the data flow is realized through the information of the controller.

[0069] The game participants in the system are the network nodes including the switch node ...

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Abstract

The invention provides a single-switch and single-controller transmission control method in the software defined network, aims at improving the negative influence of network bottleneck bandwidth on the overall performance of a system, and the method comprises the following steps: establishing a software-defined network single-switch single-controller transmission control system model based on a queuing game theory, and constructing a mathematical model of competition behaviors and targets among network nodes in the system model; solving a theoretical equilibrium solution of the mathematical model to obtain an optimal strategy of the network node; using the optimal strategy in a transmission control system, so that the transmission pressure that controller nodes are easy to congest is relieved, and the maximization of the efficiency of the software defined network is realized. According to the single-switch and single-controller transmission control method in the software defined network, the problem of resource allocation of the software-defined network can be solved, the controller nodes and the switch nodes are regarded as equal game players, and dependence on a certain role canbe reduced.

Description

technical field [0001] The invention relates to the technical field of resource allocation in a software-defined network, in particular to a transmission control method for a single switch and a single controller in a software-defined network. Background technique [0002] In software-defined networking (SDN), the control logic of the network (control plane) is separated from the underlying routers and switches (data plane) that forward traffic. The switch becomes a simple forwarding device, and the control logic is implemented in the controller (or network operating system), which simplifies policy implementation and network configuration evolution. However, the load pressure of the controller node increases with the forwarding of a large amount of control information. In order to solve the problem of reasonable resource allocation, most of the current solutions are designed by minimizing power consumption, maximizing the total utilization of the network, providing optimal...

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Application Information

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IPC IPC(8): H04L12/801H04L12/863G06N5/04
CPCH04L47/12H04L47/50G06N5/042
Inventor 郭超李兆斌魏占祯陈放郭娟韩妍妍
Owner BEIJING ELECTRONICS SCI & TECH INST
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