Method and device for controlling TCP transmission performance

A transmission performance and network technology, applied in the computer field, can solve the problems of TCP transmission performance degradation, blocking, transmission connection delay, etc., and achieve the effect of avoiding network congestion, high throughput, and low delay

Active Publication Date: 2017-05-31
广州方硅信息技术有限公司
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  • Abstract
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  • 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 tra

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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 invention discloses a method and device for controlling TCP transmission performance. The method comprises the following steps: acquiring a reduction proportion in direct proportion to a current congestion window and reducing the congestion window by the acquired reduction proportion in a quick recovery phase; retransmitting the critical lost packet if the network is in a congested state or the current congestion window is lower than the window minimum threshold when an arbitrary phase for controlling the TCP transmission performance requires retransmission, wherein the critical lost packet is a lost data packet causing reduction of the congestion window; and respectively retransmitting a possibly lost data packet and the critical lost packet if the network is in a non-congested state and the current congestion window is not lower than the window minimum threshold. The method and device can be used for improving 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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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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