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Data congestion control and bandwidth estimation method

A technology of congestion control and data, applied in the fields of data congestion control method, bus switching system, bandwidth estimation, device and electronic equipment, can solve the lack of congestion control mechanism, source-side traffic congestion control, system bus interconnection network data transmission lowering etc.

Active Publication Date: 2020-12-11
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lack of an effective congestion control mechanism makes it impossible for the data transmission of the system bus interconnection network to perform effective congestion control by reducing the source traffic, thereby affecting the execution performance of system applications

Method used

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  • Data congestion control and bandwidth estimation method
  • Data congestion control and bandwidth estimation method
  • Data congestion control and bandwidth estimation method

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Embodiment Construction

[0129] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0130] The present application provides a data congestion control method, device and electronic equipment. The present application also provides a bandwidth estimation method. The present application also provides another bandwidth estimation method. The present application also provides a bus switching system, which will be described in detail in the following embodiments one by one.

[0131] The first embodiment of the present application provides a data congestion control method. The data congestion control met...

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Abstract

The invention discloses a data congestion control method, which comprises the following steps: obtaining first data used for representing that a Post message occupies a communication bandwidth, the Post message being a request message which is sent to destination end equipment by source end equipment through a system bus and does not need to return an acknowledgement message by the destination endequipment; obtaining second data used for indicating that the acknowledgement message occupies the communication bandwidth, wherein the acknowledgement message is an acknowledgement response messagereturned by the destination device for a Nonpost message sent by the source device through the system bus, and the Non post message is a request message which is sent by the source end device to the destination end device through a system bus and requires the destination end device to return an acknowledgement message; performing congestion control on data transmitted through a system bus according to the first data and the second data. By the adoption of the method, effective congestion control can be conducted on data transmission of the system bus interconnection network, and the executionperformance of system applications is improved.

Description

technical field [0001] The present application relates to the field of system bus interconnection, in particular to a data congestion control method, device and electronic equipment. The present application also relates to a bandwidth estimation method. The present application also relates to another bandwidth estimation method. The present application also relates to a bus switching system. Background technique [0002] With the continuous emergence of various high-speed IO devices (Input / Output, input / output devices), the contention problem of IO devices in the server for the system bus (that is, the IO bus) has become more and more prominent, and even the system bus interconnection network in the server has formed Data congestion seriously affects the execution performance of system applications. [0003] The current system bus lacks an effective congestion control mechanism, such as the PCIE bus, which relies on the back pressure mechanism of point-to-point Credit (cr...

Claims

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Application Information

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IPC IPC(8): H04L12/801H04L12/24H04L12/40
CPCH04L47/127H04L41/147H04L12/40
Inventor 曹政刘小丽高山渊
Owner ALIBABA GRP HLDG LTD
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