DTU protocol extension method

An extension method and protocol technology, applied in the field of computer communication, can solve the problems of high computing pressure and heavy server load, and achieve the effects of reducing software and hardware development and product management costs, reducing server pressure, and reducing costs.

Inactive Publication Date: 2019-07-26
TOEC TECH
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  • Abstract
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Problems solved by technology

[0004] At present, a mainstream method to solve the above-mentioned problems is through transparent transmission. DTU directly sends the original data to the server, and the server directly processes the original data. The disadvantage of this method is also particularly prominent, that is, the server has too much computing pressure: Many DTUs send the raw data of devices or sensors to the server, and the server needs to complete the analysis and calculation of different protocols in parallel, which is too heavy for the receiving server

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  • DTU protocol extension method

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] figure 1 A schematic diagram of the framework of an embodiment of the present invention is shown. This embodiment relates to a DTU protocol extension method, which is used for DTU, and allows DTU to expand the protocol at any time according to the demand, so as to realize the connection of industrial equipment data to the cloud. The DTU The protocol extension method adopts the template configuration method, provides protocol configuration rules, can freely set the protocol composition of the transmission message, and can set the meaning of each byte in the message. Devices in different industries only need to configure new ones according to the protocol requirements first. Template, and then replace the new template on the device and the cloud at the same time, DTU encapsulates the data according to the template, sends the encapsulated m...

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Abstract

The invention provides a DTU protocol extension method. The DTU protocol extension method comprises the following steps: S1, generating an XML file template through mapping; S2, updating DTU protocolconfiguration; S3, updating server configuration. The method has the beneficial effects that the operation and maintenance risk is reduced, the operation capability of each DTU node is effectively utilized, the server pressure is reduced, and the system fault tolerance is improved. The method has the advantages that the cost is reduced, only one type of DTU needs to be produced, the protocol requirements of all industries can be met by updating the template, and the software and hardware development and product management cost is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of computer communication, and in particular relates to a DTU protocol extension method. Background technique [0002] DTU (Data Transfer unit, data transmission unit) is a wireless terminal device specially used to convert serial data into IP data or convert IP data into serial data for transmission through a wireless communication network. Put a SIM card that has activated the GPRS function in the DTU. After the DTU is powered on, it can transmit data with the remote server through the 2G / 3G / 4G network. The DTU is widely used in electric power, environmental protection, logistics, hydrology, meteorology, and industrial control. and other industries. [0003] As a conversion device in data transmission, DTU realizes the connection of industrial equipment data to the cloud. However, the terminal equipment in different industries is different, and each industry needs a special DTU. For example, some industr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/30H04L69/06
Inventor 冯禄平刘晓萌徐伟鑫李超周娇
Owner TOEC TECH
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