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Control method for alleviating network congestion

A technology of network congestion and control method, applied in the field of automation, can solve the problems of data packet forwarding timeout, increase of output port storage space, etc., and achieve the effect of reducing congestion phenomenon, alleviating congestion problem, and good operation effect.

Active Publication Date: 2019-08-27
云网安信(北京)科技有限公司
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AI Technical Summary

Problems solved by technology

However, the unlimited increase of the storage space of the output port will cause the data packet forwarding timeout

Method used

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  • Control method for alleviating network congestion
  • Control method for alleviating network congestion
  • Control method for alleviating network congestion

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Embodiment Construction

[0044] The present invention will be further described below.

[0045] The control method for alleviating network congestion of the present invention comprises the following steps

[0046] Step 1 establishes the state space model of the network congestion system, the specific method is:

[0047] First, collect the change data of storage and forwarding nodes, and use these data to establish the state space model of network congestion system network, the form is as follows:

[0048]

[0049] Among them, f(x(t))=(f 1 (x 1 ), f 2 (x 2 ),...,f n (x n )) T Indicates the state of network storage space at time t, n indicates the information type of data flow, u(t)∈R m is the state of the buffer node at time t, m represents the information class of the buffer data flow, R mIt is an m-dimensional real column vector; A and B are weighted matrices composed of node data collected by sensors in real time; considering the positivity of the actual system, that is, x(t), u(t) is al...

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Abstract

The invention discloses a control method for alleviating network congestion. The method comprises the following steps: step 1, establishing a state space model of network congestion; step 2, proposinga system matrix representation method; step 3, designing an angle domain condition to solve the problem that the system state is constrained; and step 4, designing a state feedback control law of thenetwork blocking node. According to the invention, through the technologies of constraint control, nonlinear control design and the like, the network congestion phenomenon is effectively controlled,the space occupation of the buffer area is reduced, the storage space resource of each buffer area is reasonably distributed, and the network congestion problem is solved.

Description

technical field [0001] The invention belongs to the technical field of automation and proposes a controller design method for alleviating network congestion. Through constraint control, nonlinear control and other technologies, it can effectively control network congestion and reduce the space occupied by the buffer zone. It can be used in the field of network communication. Background technique [0002] Network congestion is a problem often encountered in the process of network communication and has attracted much attention. Many network communications are troubled by this problem to varying degrees. Network congestion can cause delays in information transmission, slow down transmission speeds, and even paralyze network communications. During congestion, there will be data loss, increased delay, decreased throughput, and even lead to "congestion collapse" in severe cases. Generally speaking, there are two types of methods to alleviate network congestion: the first type is...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/801
CPCH04L41/145H04L47/12
Inventor 王宇辉张俊锋邵宇冯迎港
Owner 云网安信(北京)科技有限公司
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