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Software optical network controller deployment method and storage medium

A controller, optical network technology, applied in data exchange network, electromagnetic network arrangement, electrical components, etc., can solve the problem of high control cost, reduce control load and meet user survivability needs.

Active Publication Date: 2020-11-17
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many researches on controller deployment methods, but there is no good solution for large-scale networks, that is, networks with long link interaction delays, and the solutions proposed today have high control costs for such networks

Method used

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  • Software optical network controller deployment method and storage medium
  • Software optical network controller deployment method and storage medium
  • Software optical network controller deployment method and storage medium

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Embodiment Construction

[0030] 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.

[0031] The technical scheme that the present invention solves the problems of the technologies described above is:

[0032] In the following, we randomly generate a network topology diagram in conjunction with the accompanying drawings to further illustrate this description. The present invention provides a software optical network controller deployment method.

[0033] like figure 1 Shown is the layer-2 deployment model diagram applied in the present invention, multiple secondary controllers cooperate to complete the coverage of the entire network, wherein one or more secondary controllers are responsible for the management and control of the SDN switch nodes, the secondary A collection of controllers ...

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Abstract

The invention discloses a software optical network controller deployment method and a storage medium, belongs to the technical field of networks, and is applied to two-layer SDN controller deployment.On the premise that the survivability requirement of a user for a control plane in a large-scale network (namely a network with more nodes and higher total degree) is met, the control redundancy is reduced as much as possible, and the deployment cost of a controller is reduced. According to the method, the maximum fault probability P provided by the user is obtained, then the controller combination meeting the condition is obtained through calculation, the dependence of each SDN switch node on the whole network is calculated accordingly, and finally the optimal controller deployment scheme isobtained.

Description

technical field [0001] The invention belongs to the cross-layer survivability design part of a control plane in a software-defined optical network, and specifically relates to a deployment method of a two-layer SDN controller that combines regional control and centralized control in the control plane. Background technique [0002] In recent years, with the rapid growth of user demand for high-traffic consumption Internet applications such as online video and voice calls, the optical network infrastructure, which bears the main traffic pressure in the network, is facing huge challenges: on the one hand, the network transmission capacity is required to change. On the other hand, it requires more real-time and flexible network management and control. [0003] Software Defined Network (Software Defined Network, SDN) is a new network innovation architecture proposed by the clean-slate research group of Stanford University in the United States, and it is a way to realize network v...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04B10/27H04L12/721
CPCH04L41/12H04L41/0803H04L45/12H04B10/27H04L41/06
Inventor 曾帅唐文强林安
Owner CHONGQING UNIV OF POSTS & TELECOMM
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