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Data transmission control method and device

A data transmission control and data retransmission technology, applied in the field of data transmission, can solve the problem of slow data transmission recovery speed, and achieve the effect of improving data transmission recovery speed, avoiding idle waste, and increasing throughput

Inactive Publication Date: 2014-07-16
XIAMEN MEIYA PICO INFORMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention provides a data transmission control method and device to at least solve the problem in the prior art that when the TCP connection data transmission fails, the TCP connection data needs to wait for the retransmission timer to expire before performing the next retransmission, resulting in data transmission recovery speed slower problem

Method used

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  • Data transmission control method and device
  • Data transmission control method and device

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Embodiment 1

[0031] In Embodiment 1 of the present invention, a data transmission control method is provided, figure 1 An alternative flowchart showing the method, such as figure 1 As shown, the method includes the following steps:

[0032] S102, determine whether the network state between the TCP client and the TCP server returns to normal when the TCP connection data transmission fails and waits for timeout retransmission;

[0033] S104, if it is determined that the network state between the TCP client and the TCP server returns to normal, cancel the timeout retransmission waiting time of the TCP connection data, and directly perform data retransmission.

[0034] In the embodiment described above, during the data transmission process between the TCP client and the TCP server, when the TCP connection data transmission fails and waits for timeout retransmission, the network status between the TCP client and the TCP server will be monitored. Detection, if it detects that the network statu...

Embodiment 2

[0040] Based on the data transmission control method described in Embodiment 1 above, this preferred embodiment provides a data transmission control device, specifically, figure 2 shows an optional structural block diagram of the device, such as figure 2 As shown, the data transmission control device includes: a determination unit 20, which is used to determine whether the network state between the TCP client and the TCP server returns to normal when the TCP connection data transmission fails and waits for overtime retransmission; the retransmission unit 22 is used to cancel the overtime retransmission waiting time of the TCP connection data and directly perform data retransmission when the determining unit 20 determines that the network state between the TCP client and the TCP server returns to normal.

[0041] In the embodiment described above, the data transmission process is performed between the TCP client and the TCP server. When the TCP connection data transmission fa...

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Abstract

The invention discloses a data transmission control method and device. The method comprises the steps: when TCP connecting data transmission fails and retransmission timeout waiting is carried out, determining whether the network state between a TCP client side and a TCP server side gets right again or not; if it is determined that the network state between the TCP client side and the TCP server side gets right, cancelling the timeout waiting time during TCP connecting data transmission retransmission timeout, and directly conducting data retransmission. According to the data transmission control method and device, the problem that when TCP connecting data transmission fails in the prior art, due to the fact that TCP connecting data conduct retransmission again until waiting for timeout of a retransmission timer, the data transmission recovery speed is low is effectively solved, the data transmission recovery speed during TCP connecting retransmission timeout is increased, broadband resource idling waste is avoided, and the data transmission throughout capacity is improved.

Description

technical field [0001] The present invention relates to the field of data transmission, in particular to a data transmission control method and device. Background technique [0002] TCP (Transmission Control Protocol, Transmission Control Protocol) is a transport layer protocol in the TCP / IP protocol stack. Through ACK (Acknowledgment, confirmation character) confirmation and data packet retransmission mechanism, it provides reliable data transmission channels for applications at the application layer. Many application protocols use TCP as a bearer protocol to transmit various data of the application protocol. For example: HTTP (Hypertext transfer protocol, hypertext transfer protocol), TELNET (remote login protocol), etc. are all TCP-based application protocols. [0003] The timeout retransmission mechanism of the TCP protocol is to ensure the reliability of the TCP protocol transmission. The principle and steps of the timeout retransmission mechanism are as follows: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
Inventor 常鹏
Owner XIAMEN MEIYA PICO INFORMATION
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