TCP ground acceleration method for satellite network

A satellite network and satellite technology, applied in the field of satellite network TCP ground acceleration, can solve problems such as the waste of bandwidth of TCP data packet headers, and achieve the effects of shortening data transmission delay, alleviating channel asymmetry, and improving transmission rate.

Active Publication Date: 2012-09-26
SPACE STAR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent has its disadvantages, such as: only the downlink is optimized, the uplink adopts low-speed ground links, which has geographical limitations, and the TCP data packet header is not optimized to cause bandwidth waste, etc.

Method used

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  • TCP ground acceleration method for satellite network
  • TCP ground acceleration method for satellite network
  • TCP ground acceleration method for satellite network

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Embodiment Construction

[0034] The environment in which the satellite network TCP ground acceleration method of the present invention operates is as figure 1 It includes server C2, client satellite protocol gateway G1, server satellite protocol gateway G2 and client C1. The packet header compression and protocol spoofing strategies need to be implemented through the satellite protocol gateway G1 on the client side and the satellite protocol gateway G2 on the server side, and the active MTU detection needs to be run on the client side C1.

[0035] Such as figure 2 Shown, satellite network TCP ground acceleration method of the present invention comprises the steps:

[0036] 1) Establish a connection:

[0037] The client C1 initiates a session request, and the client satellite protocol gateway G1 forwards the received session request sent by the client C1 to the server-side satellite protocol gateway G2. At this time, the client satellite protocol gateway G1 does not start the functions of header co...

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Abstract

The invention discloses a TCP (Transmission Control Protocol) ground acceleration method for a satellite network. According to the method, MTU (Maximum Transmission Unit) initiative detection, protocol fraud and TCP data packet header compression technology are integrated, wherein the header compression and the protocol fraud are realized through a client satellite protocol gateway and a server end satellite protocol gateway, and the MTU initiative detection is carried out at a client C1. The method provided by the invention can improve the throughput of a satellite link, effectively utilizes the band width resource of the satellite link, and improves the TCP transmission rate.

Description

technical field [0001] The invention relates to a satellite network TCP ground acceleration method. Background technique [0002] The TCP protocol is a connection-oriented transport layer protocol that provides reliable data transmission to related applications. With the development of the communication industry, a large number of satellite communication systems carry a large number of network applications, among which the applications based on the TCP protocol account for more than 85% of the total applications. [0003] While satellite communication links have their own advantages, they also have disadvantages that affect TCP transmission, such as long link transmission distance, long link delay, susceptibility to interference, limited bandwidth, etc., which have caused a negative impact on TCP transmission performance. For example, the delay of the satellite link is too large to reduce the maximum TCP throughput rate, and the channel error rate is high to cause the TCP m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04B7/185
Inventor 刘敏邹光南廖百健石云
Owner SPACE STAR TECH CO LTD
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