Asynchronous low-delay time-sensitive data processing method

Abstract

Provided is an asynchronous low-delay time-sensitive data processing method. A data processing mode is compatible with a previous time synchronization processing mechanism, and time synchronization configuration or one-part configuration can be selected according to an actual application scene, so that the compatibility of a time-sensitive network is improved; through a dual-channel data processing mode in a data processing mechanism, non-time-sensitive data is directly transmitted according to a QoS mechanism, the utilization rate of bandwidth is improved, and the problem of bandwidth resource waste of a time synchronization triggering data transmission mode is solved; data and variables of a port parameter table will be shared by all asynchronous shapers associated with an accepting port. Therefore, the data transmission path and scheduling configuration of the whole network are realized. Networking of large-scale networked equipment can be realized.

Description

technical field [0001] The invention relates to the technical field of time-sensitive networks of industrial control systems, in particular to an asynchronous low-delay time-sensitive data processing method. Background technique [0002] The invention is mainly aimed at the technology and method of asynchronous shaping processing of low-delay data in an industrial control system, is suitable for high-reliability time-sensitive network domains, and improves the accuracy and real-time performance of data transmission and the robustness of the network. [0003] For the development of today's industrial technology, higher requirements are put forward for the efficiency of equipment, low-latency and highly reliable communication network and deterministic data transmission. With the development of IIoT and the influx of data from large-scale devices, network traffic and bandwidth issues have become more and more prominent. Industrial automation networks always have high real-time...

AI Technical Summary

Problems solved by technology

[0006] In the field of time-sensitive networks, different types of shapers perform well in implementing traffic scheduling, but this scheduling method has strict time synchronization requirements for network domains, especially across time-sensitive domains that require high clock synchronization accuracy, but This cross-domain approach increases the complexity of the network, and at the same time puts forward higher requirements for the reliability of time-sensitive network domains

If the clock alignment of any synchronization is skewed, or if the signal frame of the clock synchronization information is skewed or drifted, clock inaccuracies and missing sync clock frames can cause the best grandmaster to synchronize inaccurate grandmaster information into other downstream domains device of

Images