Jamming control method and device

A congestion control and data packet technology, applied in the network field, can solve problems such as network shocks, router downtime restarts, etc., and achieve the effect of reducing load and resource utilization

Inactive Publication Date: 2008-09-24
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a vicious cycle will cause the router to shut down and restart in serious cases, and after restarting, it will face a sudden retransmission impact
As long as its load cannot be eff

Method used

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  • Jamming control method and device
  • Jamming control method and device
  • Jamming control method and device

Examples

Experimental program
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Embodiment Construction

[0056] The invention provides a congestion control method, the basic idea of ​​which is to extract the data packet identifier corresponding to the data packet fragment discarded in the RED processing process, and discard subsequent data packet fragments with the same identifier according to the data packet identifier.

[0057]In the prior art, when RED discards a data packet fragment, after the associated data packet fragments of the data packet fragment are transmitted to the receiving end, since these associated data packet fragments cannot be reassembled into a complete data packet, the receiving end still Fragmentation of these associated packets received will be discarded. These associated data packet fragments are invalid data packet fragments, and these invalid data packet fragments will occupy a large amount of network resources and are an important factor causing network congestion. Since these associated packet fragments are invalid, after their figure 1 The interme...

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PUM

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Abstract

The invention discloses a congestion controlling method which is applied to a network technique field and comprises: packet identifiers that are corresponding to the packet slicing which is discarded in the process of random early testing and processing are extracted; the packet slicing with the same packet identifier is discarded. Internetwork protocol identifiers can be taken as the packet identifiers or adding identifiers; internetwork protocol identifiers or adding identifiers which are corresponding to the packet slicing which is discarded in the process of random early testing and processing are extracted; the extracted identifiers are compared with identifiers of subsequent packet slicing and if the identifiers are the same, the packet slicing are discarded, and if not, are retransmitted continuously. A receiving end receives and reorganizes the received packet slicing and when the reorganization goes wrong, retransmission is requested. The invention also discloses a congestion controlling device. The utilization of the invention can discard the useless relevant packet slicing in advance, thus alleviating the load of network devices, reducing the resource utilization rate, saving bandwidth and further ensuring high effectively carrying out other sessions without discarding packets.

Description

technical field [0001] The present invention relates to the field of network technology, in particular to a congestion control method and device. Background technique [0002] Data packet forwarding in the network generally needs to go through one or more intermediate processing devices, and these data packets need to occupy certain resources of the intermediate processing device when being forwarded, such as cache, bandwidth, processing capacity, etc. figure 1 It shows the data path of data packet forwarding in the network, including the sending end, the intermediate processing device and the receiving end. When there are a large number of data packets that need to be forwarded in the network, the data packets cannot be forwarded due to insufficient resources, such as insufficient cache, insufficient available bandwidth, or limited processing capacity, and congestion occurs. [0003] When congestion occurs, the data packets waiting to be processed in the data packet queue ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/26H04L29/06
Inventor 蓝建栋赵彩华
Owner DATANG MOBILE COMM EQUIP CO LTD
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