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A method and device for acquiring network congestion information

A network congestion and network technology, applied in the field of network communication, can solve the problems of inconvenient practical application, inability to obtain round-trip delay RTT at other network nodes, etc., to achieve the effect of improving convenience

Active Publication Date: 2018-10-16
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the network congestion information reflecting the degree of network congestion is usually obtained according to the round-trip time delay (Round-Trip Time, RTT). Time acquisition, that is to say, the existing technology can only obtain the round-trip delay RTT at the data sending end, but cannot obtain the round-trip delay RTT at other network nodes, and has the limitation that the network congestion information can only be obtained at the data sending end When it is necessary to obtain network congestion information at other network nodes other than the data sending end, it cannot be achieved with existing technologies, which is extremely inconvenient in practical applications

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  • A method and device for acquiring network congestion information
  • A method and device for acquiring network congestion information
  • A method and device for acquiring network congestion information

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Embodiment Construction

[0052] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0053] Network congestion means that the network is in a state of continuous overload, which leads to a decrease in network transmission performance, and even causes the network to collapse in severe cases.

[0054] In a TCP / IP network, data retransmission is one of the causes of network congestion. Generally, slight network congestion has little effect on network transmission performance. When network congestion is severe, network transmission performance will be greatly affected. Appropriate measures will be required to address network congestion.

[0055] In practical applications, it is very important to accurately know the degree of network congestion. Usually, the degree of network congestion can b...

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Abstract

The embodiment of the present application provides a method and device for obtaining network congestion information, wherein the method includes: obtaining the data transmission rate C of the current network; counting the actual window length Wind_last of the current network; using the data transmission rate C and The actual window length Wind_last calculates the round-trip delay RTT; the round-trip delay RTT is used to obtain network congestion information. The application can obtain accurate network congestion information at any network node, improving the convenience of operation.

Description

technical field [0001] The present application relates to the technical field of network communication, in particular to a method for obtaining network congestion information and a device for obtaining network congestion information. Background technique [0002] The TCP / IP protocol is composed of the IP protocol (Internet Protocol) at the network layer and the TCP protocol (Transmission Control Protocol) at the transport layer. The IP protocol is a connectionless and unreliable communication protocol. The TCP protocol is an IP-based protocol. A connection-oriented, reliable transport protocol that provides reliable transport services for the application layer. [0003] The TCP protocol uses a retransmission mechanism to ensure the reliability of data transmission. During the data transmission process, if the data sending end does not receive the acknowledgment character (Acknowledgment, ACK) returned by the data receiving end within the set time, the data sending end will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/807H04L12/841H04L47/27
Inventor 马明礼
Owner DATANG MOBILE COMM EQUIP CO LTD