Data packet transmission method and device

A data packet and quantity technology, applied in the field of data packet transmission, can solve the problems of uncached data packet discarding, impact, etc.

Active Publication Date: 2013-07-31
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the packet buffer stage, there is no such differential processing mechanism
The queue only caches data packets according to the time order of entering the queue. When the queue is full or exceeds the threshold value, unbuffered data packets in the congestion management phase cannot enter the queue
Although some uncached data packets can be disc...

Method used

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  • Data packet transmission method and device

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Embodiment Construction

[0091] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0092] In order to facilitate the understanding of the embodiment of the present invention, the data packet transmission process based on the embodiment of the present invention is briefly introduced first. Such as figure 1As shown, at the sending end of the data packet, the data packet to be sent needs to be sequentially processed in three stages of congestion management, data packet buffering and sending scheduling before being sent to the receiving end of the da...

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Abstract

The invention discloses a data packet transmission method and device. The data packet transmission method and device relate to the technical field of communication and enable the phenomenon that too many data packets are lost in a congestion management period when congestion suddenly occurs between devices or between modules of the devices to be improved. The method includes: when data packet congestion occurs when or a network bandwidth is reduced, determining at least one data packet to be abandoned in a data caching; abandoning the at least one data packet to be abandoned so that at least one data packet which is not cached enters the data packet caching and thus preventing too many data packets, which are not cached, from being abandoned, wherein the data packets which are not cached are the data packets which do not enter the data caching. The data packet transmission method and device are mainly applicable to the data packet caching process.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for data packet transmission. Background technique [0002] At present, data packet transmission between devices and between modules in devices widely exists in communication systems. Usually, before sending a data packet, it is necessary to perform congestion management on the data packet to be sent, so as to reduce the packet loss rate during the transmission of the data packet. In the congestion management phase, if the cache queue is full or the number of packets waiting to enter the cache queue exceeds the threshold, the congestion management mechanism will discard the packets waiting to enter the cache queue; if the cache queue is not full or the number of packets waiting to enter the cache queue If the number of data packets does not reach the threshold value, the congestion management mechanism will add the data packets to the cache que...

Claims

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Application Information

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IPC IPC(8): H04L12/861H04L12/851H04L12/823H04L47/30H04L47/32
CPCH04L47/30H04L47/32H04L49/9047H04L47/12H04L47/11
Inventor 蓝海青
Owner HUAWEI TECH CO LTD
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