System and method for data transmission and based on socket

A data transmission method and data transmission technology are applied in the field of wireless communication to achieve the effects of simple deployment, great flexibility and adaptability, and simple logic implementation.

Active Publication Date: 2013-03-20
北京思特奇信息技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] But the premise of using the socks proxy is that the client software needs to support the protocol, but in fact most of the commonly used software does not support it, so we need an intermediate layer to complete the conversion of this protocol

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  • System and method for data transmission and based on socket
  • System and method for data transmission and based on socket
  • System and method for data transmission and based on socket

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Embodiment Construction

[0039] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0040] Socket, also known as Berkeley socket interface, is an application programming interface (API) that uses the concept of an Internet socket to enable communication between hosts or processes on a computer. It can run on many different input / output devices and drivers, although this depends on the specific implementation of the operating system. The interface implementation is used in the TCP / IP protocol, so it is one of the fundamental technologies that sustain the Internet.

[0041] figure 2 It is a schematic diagram of a socket connection-based data transmission system and its internal communication described in the present invention, image 3 for corresponding to figure 2 method flow chart; such as f...

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Abstract

The invention relates to a system and method for data transmission and based on socket. The system and method comprises a local client, a local agent server, a remote agent server and remote servers. A local agent port list is arranged in the local agent server, each local port corresponds to the address of one remote server, the local client only requires to be connected with one local port of the local agent server, the address of the remote server to be connected of the local client by searching the local port list, further the local agent server is connected with the remote agent server, the address of the remote server to be connected is informed, the remote agent server is connected with the corresponding remote server, and finally data transmission can be conducted between the local client and the remote server. Therefore, the local client does not require supporting the agent protocol and has larger flexibility and adaptability. The agent server is less in use resources and simple in arrangement. The system and method is simple in achievement logic and low in cost.

Description

technical field [0001] The invention relates to a data transmission system and method based on socket connection, belonging to the field of wireless communication. Background technique [0002] Such as figure 1 In the shown network, the client host can only access the specific port of the proxy server, and cannot directly access the external network, but it is necessary to establish a service TCP connection from the client to the external network: [0003] Commonly used proxy protocols include HTTP proxy and socks proxy. The former can only serve applications based on the HTTP protocol. Compared with the HTTP proxy, the socks protocol runs in the bottom layer. In the socks protocol, the client uses the handshake protocol to inform the proxy server of the connection it wants to establish information and which protocol (TCP / UDP) is used. [0004] The working process of socks: [0005] Client A wants to communicate with client B through the Internet, but there is a firewall ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/12H04L29/06
Inventor 官元峰
Owner 北京思特奇信息技术股份有限公司
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