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Method and device for controlling tcp transmission performance

A transmission performance and retransmission technology, applied in the computer field, can solve problems such as transmission connection delay, TCP transmission performance degradation, and congestion, and achieve low latency, avoid network congestion, and high throughput.

Active Publication Date: 2020-05-12
广州方硅信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the current environment of rapid network development, when the network occasionally jitters, there is a certain amount of packet loss, or delay, the transmission performance of TCP will drop sharply, which will easily cause delay or blockage of the transmission connection, which cannot well meet the current business. need

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  • Method and device for controlling tcp transmission performance
  • Method and device for controlling tcp transmission performance
  • Method and device for controlling tcp transmission performance

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Embodiment Construction

[0074] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0075] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The present application discloses a method and device for controlling TCP transmission performance. The method includes: when entering the fast recovery phase, obtain a reduction ratio that is proportional to the current congestion window, and use the obtained reduction ratio to reduce the The above-mentioned congestion window; when any stage of controlling TCP transmission performance needs to be retransmitted, if the network is in a congested state, or the current congestion window is lower than the window minimum threshold, the key lost packet is retransmitted, wherein the key lost packet is Lost data packets that cause the congestion window to become smaller; if the network is in a non-congested state and the current congestion window is not lower than the minimum window threshold, retransmit the potentially lost data packets and the critical lost packets. Implementing the application can improve the TCP transmission performance.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a method and device for controlling TCP transmission performance. Background technique [0002] TCP (Transmission Control Protocol, Transmission Control Protocol) provides reliable transmission of data streams by using sequence number confirmation and retransmission mechanisms. The design of the transmission mechanism of TCP itself is relatively old, and it is largely based on the network facilities and environment at the time of design. It needs to have good adaptability to different network conditions. [0003] However, in the current environment of rapid network development, when the network occasionally jitters, there is a certain amount of packet loss, or delay, the transmission performance of TCP will drop sharply, which will easily cause delay or blockage of the transmission connection, which cannot well meet the current business. need. Contents of the inven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801H04L1/08
CPCH04L1/08H04L47/12H04L47/193
Inventor 冯迅林正显刘伟安蔡绪龙
Owner 广州方硅信息技术有限公司
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