Time-sensitive network data transmission system and time delay analysis method

Abstract

The invention discloses a time-sensitive network data transmission system and a time delay analysis method, and the method comprises the steps: constructing a time-sensitive network data transmission system architecture which comprises a data preprocessing module, a data caching module, a TSN control module, a data forwarding module, a time delay sensing module, a time synchronization module and a bandwidth pre-distribution module, wherein the delay, jitter and congestion probabilities of the data streams in the transmission process are reduced through processing the data streams by the modules; aiming at the time delay generated in the data transmission process, providing a time-sensitive network data transmission time delay analysis method, which can effectively reduce the phenomena of time delay motion, packet loss and the like in the data transmission and improve the reliability and certainty of the data transmission.

Description

technical field [0001] The invention belongs to the field of communication, and in particular relates to a time-sensitive network data transmission system and a delay analysis method. By integrating the existing data transmission system with a time-sensitive network (Time Sensitive Networking, TSN), the jitter and packet loss of data transmission are reduced and other phenomena to improve the reliability and certainty of data transmission. Background technique [0002] With the development of network technology and the expansion of vertical industry applications, more and more applications require the network to provide extremely low end-to-end latency, and applications such as industrial control and automatic driving require the network to provide transmission as low as a few milliseconds Latency and highly reliable transmission services. Ethernet is currently the most widely used LAN communication protocol standard, and standard Ethernet provides frames in an asynchronous...

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Problems solved by technology

Ethernet is currently the most widely used LAN communication protocol standard, and standard Ethernet provides frames in an asynchronous manner, any device in the network can send data at any time, and avoid conflicts through a random backoff mechanism, so at the time of data transmission At the same time, large-scale data transmission will increase the network load, resulting in a large delay or even paralysis of communication, and cannot ensure the certainty and strict time requirements of industrial control tasks.

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