High-speed Ethernet determinacy high-bandwidth data transmission method

Abstract

The invention discloses a high-speed Ethernet determinacy high-bandwidth data transmission method and aims to provide a high-speed Ethernet determinacy high-bandwidth data transmission method which can avoid data jamming and has higher network bandwidth capacity. The high-speed Ethernet determinacy high-bandwidth data transmission method disclosed by the invention is implemented by the following technical scheme that: all nodes connected to the same switch form a switching domain, and a stereoscopic cross transmission network which is planned according to a time slot and simultaneously carriesout time trigger data transmission is constructed among a plurality of nodes in each switching domain; a bus period of the high-speed Ethernet is divided into two parts of an exclusive time-divisionmultiplexing time slot and a switching time-division multiplexing time slot; in the switching time-division multiplexing time slot, each switching domain simultaneously carries out data transmission in the switching domain, at any moment in the time slot, time trigger data transmission is simultaneously carried out among a plurality of nodes in the same switching domain, target addresses of data packets simultaneously transmitted are different and a stereoscopic switching network bandwidth in the same switching domain is shared.

Description

technical field [0001] The invention relates to an Ethernet deterministic transmission method, in particular to a transmission method with high certainty and high bandwidth in the aviation airborne full-duplex switched high-speed Ethernet. Background technique [0002] Ethernet has the advantages of high communication rate, low cost, and simple implementation. It has extensive commercial support and is widely used in scientific research, medical treatment, finance, and industry. After more than 40 years of development of Ethernet technology, 10G Ethernet technology has been fully rolled out in the civilian field, and 40G technology has also begun to be researched and applied. Although traditional Ethernet has many advantages, it cannot be directly applied to airborne avionics systems. Ordinary Ethernet does not have high requirements for data transmission determinism (determinism means that any node in the network can send data to the destination node within a specified tim...

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to solve the problem of limited network bandwidth capacity caused by the exclusive time division multiplexing transmission mechanism of full-duplex switched high-speed Ethernet, and to provide a method that can avoid data blocking, have higher network bandwidth capacity, and take data into consideration at the same time. High-speed Ethernet deterministic high-bandwidth data transmission method for deterministic transmission

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