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Bidirectional decoupling-based transmission control method and system

A technology of transmission control and nodes, which is applied in the field of network communication to achieve the effect of improving flexibility

Active Publication Date: 2017-06-30
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the present application provides a two-way decoupling transmission control method and system to solve the problem that the existing traditional TCP transmission control method can only be based on one bidirectional path and cannot be implemented on two unidirectional paths

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  • Bidirectional decoupling-based transmission control method and system
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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0050] One of the main ideas of this application includes: the bidirectional decoupling transmission control method provided by this application does not establish a network path on a bidirectional path, but based on two unidirectional paths with different transmission directions. achieve, such as image 3 As shown, the present application allocates the data packets in the forward and reverse directions of the information transmission process to two unidirectional paths with opposit...

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Abstract

The present invention relates to a bidirectional decoupling-based transmission control method and system. The system comprises a first node and a second node which exchange information with each other; the first node and the second node are respectively configured with two unidirectional network interfaces with opposite transmission directions; the first node transmits a handshake SYN message through a first transmitting interface and transmits the first receiving IP address of the first receiving interface of the first node to the second node through using TCP header label option information included in the handshake SYN message; and the second node transmits an SYN / ACK message to the first receiving interface through a second transmitting interface according to the first receiving IP address; and after receiving the SYN / ACK message, the first node transmits a handshake ACK message to the second node through the first transmitting interface. According to the bidirectional decoupling-based transmission control method and system of the invention, forward and reverse data streams in an information transmission process are assigned to the two interfaces with different transmission directions, and bidirectional transmission control service is realized on two unidirectional network paths with different data transmission directions.

Description

technical field [0001] The present application relates to the technical field of network communication, and in particular to a two-way decoupled transmission control method and system. Background technique [0002] According to the design principle of network communication, data transmission needs to establish a connection between the network interface cards (Network Interface Card, NIC) of both communication parties (source node and destination node). A path of nodes, that is, an end-to-end logical channel is established. Traditional transmission control methods realize adaptive and distributed transmission control based on this logical channel. Among the various transmission control methods that currently exist, the Transmission Control Protocol (Transmission Control Protocol, TCP) is the most widely used, and the complete workflow and process of TCP are defined in the RFC (Request For Comments) 493 document of IETF (Internet Engineering Task Force). corresponding functi...

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Application Information

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IPC IPC(8): H04L29/06H04L29/12
CPCH04L69/163H04L61/5007
Inventor 陈晓辉陈力尹华锐王卫东
Owner UNIV OF SCI & TECH OF CHINA