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Flow balancing method and device of downlink node information sensing

A node information and traffic balancing technology, applied in the field of computer networks, can solve the problems of different terminal sending rates, slow sending rates, network congestion, etc., to avoid network congestion, achieve dynamic matching, and rational utilization.

Active Publication Date: 2017-07-25
THE PLA INFORMATION ENG UNIV
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Problems solved by technology

[0005] The present invention aims at the existence of data flow transmission purely pursuing the shortest path in the routing control of the prior art, which leads to the collection of traffic to some links, which is easy to cause network congestion problems, and the slow start and sudden braking of the sending rate in the TCP protocol on the transmission protocol. The transmission rate of the terminal is different and changes dynamically, which can easily cause a surge congestion problem similar to "ghost traffic jam". A traffic balancing method and device for downlink node information perception is proposed

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  • Flow balancing method and device of downlink node information sensing

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Embodiment 1

[0032] Example 1, combining Figure 1-Figure 4 , A flow balancing method for downstream node information perception, such as figure 1 As shown, first briefly introduce the following process of the method:

[0033] Step 1. Downstream node flow information collection: exchange flow information with downstream nodes by means of detection information packet interaction, count the flow information of the downstream nodes, perform feature statistics on the obtained flow information, and obtain the flow information feature vector of each node;

[0034] Step 2. Update the flow information characteristics of the node: query the flow information management database, and calculate the flow information feature vector of the node based on the flow characteristic information of the downstream node and its own node and the adjustment threshold;

[0035] Step 3. Flow adjustment: Pre-adjust the flow according to the characteristic vector of the flow information of the node, and slow down the flow th...

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Abstract

The invention belongs to the technical field of computer networks, and specifically relates to a flow balancing method and device of downlink node information sensing. The method comprises the following steps: collecting downlink node flow information; updating flow information features of a present node; adjusting the flow; and performing periodical interface on uplink and downlink node information. The device comprises a flow information collection module, a data analysis module, a flow adjustment module, a resource management database and an information notification module. Compared with the prior art, the invention has the advantages of high flexibility, good adaptability and high quality of service. By adoption of the flow balancing method and device provided by the invention, the flow of the present node can be adjusted by downlink node information sensing under the condition of satisfying network service resource constraints, the network congestion is avoided in a flow pre-deceleration mode, and the utilization rate of the network resources is improved while realizing network flow load balancing.

Description

Technical field [0001] The invention belongs to the technical field of computer networks, and specifically relates to a flow balancing method and device for downlink node information perception. Background technique [0002] The design flaws of the two core technologies of routing control and transmission protocol in current networks are important contributing factors to network congestion. In terms of routing control, data stream transmission simply pursues the shortest path, which leads to the convergence of traffic to some links, which can easily cause network congestion. In the transmission protocol, taking TCP as an example, the slow start and sudden braking of the TCP protocol make the sending rate of the terminal different and dynamic, which can easily cause surge-like congestion like a "ghost car". [0003] There is a phenomenon of cluster operation in the biological world, such as: (1) The phenomenon of sardine cluster movement. Individual sardines can perceive environmen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/803H04L12/815H04L12/841H04L12/26H04L1/00H04L47/22
CPCH04L1/0002H04L43/08H04L47/125H04L47/225H04L47/283H04L47/286
Inventor 李玉峰黄建洋孙鹏浩胡宇翔张少军赵丹
Owner THE PLA INFORMATION ENG UNIV
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