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Energy-saving traffic scheduling method for hybrid SDN software-defined network

A software-defined network and traffic scheduling technology, which is applied in data exchange networks, electrical components, digital transmission systems, etc., can solve problems such as energy waste, and achieve the effect of avoiding energy waste

Inactive Publication Date: 2017-03-15
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

For example, there is very little traffic on a certain link, but it must be enabled because the shortest path algorithm chooses to take this link, resulting in energy waste

Method used

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  • Energy-saving traffic scheduling method for hybrid SDN software-defined network
  • Energy-saving traffic scheduling method for hybrid SDN software-defined network
  • Energy-saving traffic scheduling method for hybrid SDN software-defined network

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Embodiment Construction

[0047] In order to facilitate those skilled in the art to understand the technical content of the present invention, the content of the present invention will be further explained below in conjunction with the accompanying drawings.

[0048] The present invention adopts the first model idea---deactivation model, and proposes an energy-saving traffic scheduling mechanism for hybrid SDN software-defined network in combination with SND technology.

[0049] The ESTS mechanism sets the hybrid SDN network as G(N, L), where N represents the set of nodes in the network, and L represents the set of all directed physical links in the network. The set of link weights is denoted as W, and the initial weight of all links is set to 1. The traffic demand from any node v to other network nodes t(v,t∈N) is expressed as h vt , the capacity utilization of any link l(l∈L) is expressed as μ, when μ is greater than a specified threshold α, the remaining capacity of the link is 0, that is, α is the...

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Abstract

The invention discloses an energy-saving traffic scheduling method for a hybrid SDN network. On the premise of meeting the traffic forwarding requirements, the link weight is adjusted according to the link capacity utilization rate in the IP network, so that when a certain link capacity is utilized When the rate is low, turn it off to avoid energy waste, and also conform to the concept of green energy-saving network; at the same time, this application combines the dynamic flow distribution function of SDN switch to solve the problem of energy-saving flow scheduling mechanism of hybrid SDN network.

Description

technical field [0001] The invention belongs to the field of network flow engineering, and in particular relates to a flow scheduling mechanism capable of effectively saving energy in an SDN / IP hybrid network. Background technique [0002] With the expansion of network scale and the continuous enrichment of network equipment functions, the current network is increasingly exposed to many problems such as high energy consumption, low efficiency, and excessive waste. Saving network energy consumption and building a green network has not only become a significant and urgent issue in the computer field, but also an important factor affecting the sustainable development of society and ecology. It is an important issue to reduce network energy consumption through an energy-saving traffic scheduling strategy. [0003] Considering the rapid development and broad application prospects of SDN, energy-saving traffic scheduling strategies must be combined with SDN scenarios. SDN is a t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/729H04L12/801H04L45/125
CPCH04L45/125H04L47/10
Inventor 韦云凯胡周姹毛玉明冷甦鹏李娜
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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