IPv6-based power line carrier communication network congestion control method

A technology of power line carrier and congestion control, which is applied in the direction of data exchange network, electrical components, digital transmission system, etc., can solve the problems of increasing packet loss rate, reducing bandwidth utilization rate, node congestion, etc., to reduce the probability of congestion, Improve network throughput and prevent node congestion

Active Publication Date: 2016-08-24
武汉盛帆电子股份有限公司
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Problems solved by technology

If an emergency occurs in some areas, when more nodes send data to a forwarding node, the rate at which the forwarding node receives messages may increase, causing the forwarding queue to increase or even overflow, resulting in node congestion
Under the tree topology structur

Method used

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  • IPv6-based power line carrier communication network congestion control method
  • IPv6-based power line carrier communication network congestion control method
  • IPv6-based power line carrier communication network congestion control method

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[0033] Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0034] Image 6 It is a flowchart of the method of the present invention. As shown in the figure, the method includes the following steps: S1: The carrier network node builds an IPv6 hierarchical forwarding tree network topology based on congestion control by itself to reduce the probability of node congestion; S2: node When congestion occurs, the traffic distribution between parent and child nodes is redistributed through multicast congestion notification messages, and combined with the IPv6 protocol, the notified node can transmit messages according to the corresponding redundant routing addressing method to transfer the traffic in the congested area. Move to other areas with lighter load to avoid the congested node; S3: After the node is relieved of congestion, multicast the congestion release message to restore the parent and child ...

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Abstract

The present invention relates to an IPv6-based power line carrier communication network congestion control method, and belongs to the intelligent power grid communication technology field. The method comprises the following steps of S1 using carrier network nodes to construct a congestion control-based IPv6 hierarchical forwarding tree network topology structure to thereby reduce the node congestion probability; S2 when the nodes congest, broadcasting a congestion notification message in a multicast manner to carry out the flow distribution on the parent and child nodes again, and combining an IPv6 protocol to enable the noticed nodes to transmit the message according to a corresponding redundant routing addressing method to transfer the flow of a congestion area to other areas of lighter loads to thereby avoid the congestion nodes; S3 after the congestion of the nodes is released, broadcasting a congestion release message in the multicast manner to enable the parent and child nodes to recover an original flow distribution mode. The method of the present invention enables the network throughput and the network overall communication capability to be improved effectively.

Description

technical field [0001] The invention belongs to the technical field of smart grid communication, and relates to an IPv6-based power line carrier communication network congestion control method. Background technique [0002] With the expansion of power line communication application scenarios and the development of Internet communication technology, applying the IPv6 protocol, the core technology of the next generation Internet, to the power line carrier communication network and realizing the IPv6 resource allocation of power communication equipment will make the power line communication network better. The end-to-end connection optimizes the inheritance of new services and applications on the Internet. [0003] Since the low-voltage power line communication network has a changeable network structure, and in the case of the same network node resources and communication capabilities, the topology of the shortest path tree usually has the advantages of fewer forwarding hops an...

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Application Information

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IPC IPC(8): H04L12/803
CPCH04L47/122H04L47/125
Inventor 向敏何金星王平唐亮胡向东杜延红
Owner 武汉盛帆电子股份有限公司
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