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Controlling method for SAR treatment chip transmitting congestion

A control method and technology for processing chips, applied in the field of network communication, can solve the problems of sending congestion, affecting services, affecting user service quality, etc. that cannot be fundamentally solved.

Inactive Publication Date: 2008-12-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] This technical solution can only temporarily alleviate the transmission congestion, but cannot fundamentally solve the transmission congestion problem, and during the system reset period, it will seriously affect various services, thereby seriously affecting the user's service quality

Method used

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  • Controlling method for SAR treatment chip transmitting congestion

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Embodiment Construction

[0031] The core of the present invention is: if the system initially allocates a total of N idle SBDs, there may be at most M VCCs transmitting at the same time (N is usually much larger than M). Under normal circumstances, there are not many SBDs in use, usually about 2M. The SBDs in use are mainly distributed in the sending VCC table, and some are distributed in the sending status queue. This solution is to adopt some algorithms to control the number of SBDs in use in each VCC, so as to avoid the number being too large and resulting in too few free SBDs, which will cause other VCCs to fail to obtain enough SBDs to send data.

[0032] The overall control idea of ​​the present invention is: before each VCC is sent, the number of idle SBDs in the system is judged, the less the number of idle SBDs is, the less the number of SBDs allowed to be used by this VCC is. When the number of SBDs being used in the VCC exceeds a certain standard, the current transmission of the VCC is proh...

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Abstract

The invention discloses a method for controlling transmission congestion of a SAR processing chip. Before transmission of each VCC, congestion control is performed on the VCC according to the number of SBDs being used by the VCC and the maximum number of SBDs currently allowed to be used by each VCC. When the number of SBDs being used by the VCC exceeds the maximum number of SBDs currently allowed to be used by each VCC, it is considered that the VCC is in a state of transmission congestion, and the current transmission of the VCC is prohibited. The invention can effectively control the degree of transmission congestion of VCCs in the system, avoiding that a certain VCC occupies too many SBDs, causing other VCCs to fail to obtain SBDs, thereby ensuring that the services on other VCCs are not affected, and at the same time It will not have any impact on other services of the system.

Description

technical field [0001] The invention relates to network communication technology, in particular to a method for controlling transmission congestion of a SAR processing chip. Background technique [0002] In the use of SAR (Segmentation Reassembly) processing chips, it is found that when the data traffic required by the application software to be sent in a certain VCC (Virtual Channel Connection) continues to exceed the configured bandwidth of the VCC, it will cause transmission congestion. When configuring the VCC bandwidth, the application software will configure an appropriate VCC bandwidth according to the requirements, so usually, the situation of sending congestion will not occur. However, the application layer itself has no mechanism for detecting and controlling the sending traffic. Therefore, in the case of poor consideration, or in some bad situations, the situation of sending congestion may still occur. [0003] Under normal circumstances, the application layer ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L49/901
Inventor 刘龙新
Owner HUAWEI TECH CO LTD
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