Link resource optimization method based on standard PRP protocol

The invention discloses a link resource optimization method based on a standard PRP protocol, and the method comprises the steps: 1, recording the information of a network switching module in a communication link in which communication data arrives preferentially or does not go wrong through a PRP module in a communication process that a PC terminal carries out handshake link establishment through the PRP module and the network switching module; and 2, in the process of data communication between the PC terminals, selecting a network link recorded with the information of the network switching module through the PRP module to carry out data transmission. The invention provides a link resource optimization method based on a standard PRP protocol, which optimizes and improves a communication process between a PC terminal and a PRP module and a communication process between the PC terminal and a network switching module in an existing standard PRP protocol process, so that data are not sent to another link during