AFDX network configuration generation method, device and system

The invention provides an AFDX network configuration generation method, device and system, in the technical field of computer communication. The method comprises the following steps of distributing one VL to each business of a physical link; calculating a first bandwidth occupation rate according to configured bandwidths of all VLs; if the first bandwidth occupancy rate is higher than a preset bandwidth occupancy rate threshold value, carrying out service merging on the VL in the physical link at least once by adopting a preset merging principle; and when the bandwidth occupancy rate of the physical link after VL combination is not higher than a bandwidth occupancy rate threshold, outputting an AFDX network configuration file according to the configuration information of the combined VL and the communication configuration information pre-input by a user. Network configuration conforming to the ARINC664 protocol specification can be automatically generated according to the configurationinformation and the comm