How to adjust the number of sdn controllers and map with switches

A switch and controller technology, applied in the transmission system, electrical components, etc., can solve problems such as performance bottlenecks, and achieve the effect of stream establishment time and controller overhead optimization

Active Publication Date: 2019-01-11
GUANGZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology allows for efficient control over multiple networks through centralization of controllable devices called servers (SDN). It achieves this by create a system where each server has its own set of resources - one locally controlled device per site. Each machine only needs enough memory space when it's connected to another computer without exceedingly slowdowned down any other machines. Additionally, there may exist more than two different types of computers connecting to the Internet simultaneously. These systems allow companies to manage their operations effectively while optimally utilizing available bandwidth resource.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the efficiency at which software controlled networking becomes possible due to its ability to scale up or be more flexible than traditional methods like routers. Current controllators are limited because they require flow as an input when used with big systems such as servers.

Method used

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  • How to adjust the number of sdn controllers and map with switches
  • How to adjust the number of sdn controllers and map with switches
  • How to adjust the number of sdn controllers and map with switches

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Embodiment

[0041] A method for adjusting the number of SDN controllers and mapping with switches. By designing a stateful data plane, the localization of controllers (local controllers) is realized, and a hierarchical distributed controller network is constructed, so that the number of local controllers placed It can adapt to the temporal and spatial distribution of business traffic, and on the premise of meeting the requirements of switches, the number of local controllers is occupied by the least. Based on the complex network theory, local controllers and switches in the network form a weighted complex network, in which a local controller and some switches form a community, and the local controller is the most important node in the community. At the same time, the local controller is placed closer to the switch, and the local controller is closer to the switch, so that it can respond to the request of the regional switch in a more real-time and more accurate manner. Among them, the so-cal

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Abstract

The invention relates to a method for adjusting the number of SDN controllers and mapping with switches: in SDN, by designing a stateful data plane, localized local controllers are realized, and a hierarchical distributed controller network is constructed. Based on the idea of ​​the heuristic algorithm, the number of local controllers of the present invention can be adaptive to the time-space distribution of service traffic, and the number of local controllers occupied is the least on the premise of meeting the requirements of the switch. At the same time, a community containing local controllers is constructed with the help of complex network community theory, and the local controllers are the nodes with the highest importance in the community. These local controllers became the first choice for switch mapping in the community, enabling efficient mapping while also enabling load balancing between local controllers. Finally, the local controller designed in the present invention is located closer to the switch, and can respond to the request of the regional switch in a more real-time and more accurate manner.

Description

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Claims

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Application Information

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Owner GUANGZHOU UNIVERSITY
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