MQTT protocol communication method for mass message transmission of power distribution Internet of Things

Abstract

The invention relates to an MQTT protocol communication method for mass message transmission of a power distribution internet of things, which comprises the following steps: by designing a queue gateway which is uplink and downlink isolation, real-time priority and support of mass data, separating and splitting an uplink and a downlink, when the uplink is stacked, sending real-time messages preferentially, and sending stacked messages into an order-preserving degradation queue; and meanwhile, the accumulated message and the real-time message are sent in parallel, so that the normal operation processing of the downlink service is not influenced. According to the method, a multi-track queue model is adopted, massive Topic is isolated from one another, and the purpose that messages of one device accumulate Topic without affecting normal operation of another device is achieved. Through multiplexing of TCP channels, that is, one TCP channel corresponds to a plurality of MQTT clients, and the same group of MQTT clients establish communication connection with an MQTT proxy server through the same TCP channel, concurrent connection number requests of power distribution Internet of Things equipment to the MQTT proxy server are reduced to the maximum extent, decoupling of an MQTT protocol and a transmission layer is achieved, real isolation of massive Topic is achieved, and the reliability of power distribution Internet of Things equipment is improved. The time delay problem caused by accumulation is fundamentally solved.

Description

technical field [0001] The invention belongs to the field of wireless communication, and in particular relates to an MQTT protocol communication method applied to mass message transmission in power distribution Internet of Things devices. Background technique [0002] With the increase of power distribution Internet of Things business and the access of a large number of new devices, existing power distribution Internet of Things scenarios, such as power system equipment control, smart meters, smart sockets, and power business transactions, often need to transmit massive messages. In the process of these information transfers, the message queue method is often used, which is a "container" for storing messages during message transmission. The data generated by the power distribution IoT device is first stored in the message queue, and the data is distributed to the server by the message queue. The message queue can realize the smooth transmission of messages in uncontrollable...

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Problems solved by technology

[0008] Third, for the current MQTT protocol, the MQTT channel corresponds to the TCP channel one by one, and the TCP channel cannot be multiplexed, which leads to the coupling of the MQTT protocol and the transport layer, does not support the multiplexing of the transport layer, and cannot realize the mass Topic Efficient transmission, with limitations

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