A tcp acceleration method suitable for satellite links

A satellite link and satellite gateway technology, applied in the field of satellite networks to maximize the use of network bandwidth, high throughput, and reduce feedback delays

Active Publication Date: 2021-05-28
CHENGDUSCEON TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The present invention proposes an effective acceleration method, which uses a combination of protocol pseudo-response and congestion control mechanism based on data volume to solve the congestion misjudgment caused by long delay and high bit error rate of the link, thereby improving the use efficiency of TCP

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  • A tcp acceleration method suitable for satellite links
  • A tcp acceleration method suitable for satellite links
  • A tcp acceleration method suitable for satellite links

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Embodiment Construction

[0050] The invention provides a TCP acceleration method suitable for satellite links. In order to effectively use the TCP transmission protocol in the satellite network, it is necessary to implement TCP acceleration means to improve the use performance of TCP. The present invention proposes an effective acceleration method, which uses a combination of protocol pseudo-response and congestion control mechanism based on data volume to solve the congestion misjudgment caused by long delay and high bit error rate of the link, thereby improving the use efficiency of TCP .

[0051] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, under the condition of not conflicting with each other, the embodiments of the present application and the features in the embodiment...

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Abstract

The invention discloses a TCP acceleration method suitable for satellite links, comprising: the TCP communication of the satellite network is divided into three sections: a sending end user and a satellite gateway, a satellite gateway and a satellite gateway, and a satellite gateway and a receiving end user; The ground communication between the terminal user and the satellite gateway adopts the TCP protocol for communication, and a network accelerator is set up on the satellite gateway at the sending end, and the network accelerator realizes two-way acceleration. Accelerate the transmission. On the other hand, the improved TCP protocol is used for communication between the gateway and the gateway. The improved TCP protocol combines traditional TCP congestion control and congestion control based on data volume to judge network congestion. The combination of data volume-based congestion control mechanism solves the congestion misjudgment caused by long delay and high bit error rate of the link, thereby improving the utilization efficiency of TCP.

Description

technical field [0001] The invention relates to the field of satellite networks, in particular to a TCP acceleration method suitable for satellite links. Background technique [0002] The advantages of the satellite network determine that it occupies an increasingly important position in the future communication system. The combination of advanced satellite communication technology and ground network technology has become a research hotspot. Transmission Control Protocol (TCP) is a transport layer protocol commonly used in the Internet, which provides reliable flow control and congestion control services. But the characteristics of the satellite network itself limit the use of TCP in the satellite network. The main factors affecting satellite network performance are as follows: [0003] Link high bit error rate: [0004] Due to the complexity of the satellite network environment, it is easily affected by factors such as weather, and the bit error rate of the link is much ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185H04L29/06H04L12/801
CPCH04B7/18513H04L47/11H04L47/12H04L47/193H04L69/163
Inventor 田永谢永锋刘小林黄玺
Owner CHENGDUSCEON TECH
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