Data transmission method and logic network adapter

A data transmission method and logical network technology, applied in the field of data transmission methods and logical network adapters, can solve the problems of increased maintenance costs, time-consuming and laborious, etc., and achieve the effect of reducing maintenance costs and facilitating fast data transmission

Active Publication Date: 2011-01-26
SHENZHEN ZTE NETVIEW TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

This approach has the following disadvantages: every time a new transmission or networking situation occurs, the upper application layer must be modified to be compatible with the tra

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  • Data transmission method and logic network adapter
  • Data transmission method and logic network adapter
  • Data transmission method and logic network adapter

Examples

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[0044] The core idea of ​​the present invention is as follows: a logical transport layer is added between the application layer and the physical transport layer, and a logical network adapter is deployed on the logical transport layer, which is responsible for compressing, fragmenting, and escaping the data to be transmitted in the application layer. , Encapsulate data so that it can pass through the physical transport layer smoothly (the transmission mode includes SMS mode, 2M ring transmission mode, Ethernet transmission mode, CDMA transparent transmission mode, etc.). Compared figure 1 The schematic diagram of the relationship between the traditional application layer and the physical transport layer is shown and figure 2 As shown in the schematic diagram of the relationship between the application layer and the physical transport layer after applying the present invention, it can be seen that the application of the present invention can make the service function and proce...

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Abstract

The invention discloses a data transmission method and a logic network adapter. The data transmission method comprises the following steps of: adding a logic transmission layer between an application layer and a physical transmission layer of each transmission terminal and allocating one logic network adapter on the logic transmission layer; establishing a communication channel between two transmission terminals through the logic network adapter and performing handshaking, and meanwhile, determining data transmission restrictive conditions suitable for the two transmission terminals; and performing data transmission after the handshaking, namely, transmitting data to the logic network adapter at a data transmitting end by the application layer and performing forward operation on the data according to the data transmission restrictive conditions and transmitting the data to an opposite end by the logic network adapter, and performing backward operation on the received data and then transmitting the data to the application layer at a data receiving end by the logic network adapter. The method and the adapter are particularly suitable for the transmission networking mode mixed by different transmission modes, so that the service function and the processing flow of the application layer are not influenced by a transmission medium, and the data transmission can be conveniently and quickly realized.

Description

technical field [0001] The invention relates to the technical field of transmission networking, in particular to a data transmission method and a logical network adapter applied in various transmission networking modes. Background technique [0002] In the power environment monitoring network, the transmission conditions between the data acquisition terminal and the network management center are various. Since its development, in different historical periods, serial port, Ethernet, 2M ring, SMS and other methods have been applied. Among these transmission conditions, some have requirements on the length of the transmitted data, while others have requirements on the content of the data. Especially the data length and content requirements for transmission will be more complicated under the transmission conditions of multiple transmission modes. [0003] The traditional approach is to develop different business processes for different transmission networking modes. For examp...

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Application Information

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IPC IPC(8): H04L12/56H04L29/08
Inventor 张巍马志鸿洪媛王俊张滔
Owner SHENZHEN ZTE NETVIEW TECH
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