METHOD FOR OPERATING A COMMUNICATIONS NETWORK AND NETWORK ARRANGEMENT

摘要

A method for operating a communications network, in particular an Ethernet network is provided. Network devices that are coupled to the network have a switch device and a control device that is coupled to the switch device, and the switch device has at least one receiving port and a sending port for sending and receiving data via the communications network. Fuse devices for monitoring a particular data transfer rate are assigned to the receiving ports. The fuse devices block data reception at a particular receiving port when a previously determined maximum data transfer rate is exceeded. A possible annular structure using bidirectional communication paths and the limitation of the data transfer rate at the receiving ports improve fail-safety and error analysis in the event of transfer and hardware errors, in particular babbling idiot errors. The invention further relates to a network arrangement having a plurality of corresponding network devices which function according to said method.

主权项

1. A method for operating a communications network for network devices which are coupled to the communications network, wherein a respective network device comprises at least one switch device and a control device, which is coupled to the at least one switch device, and wherein the at least one switch device has a reception port and a transmission port for transmitting and receiving data via the communications network, and the reception port is assigned a fuse device for limiting a data transmission rate, wherein the method comprises:
predefining a maximum data transmission rate during the transmission of data, wherein the network devices are configured to transmit data at a data rate which is lower than the predefined maximum data transmission rate; monitoring a data transmission rate of received data at the reception ports of the network devices; and blocking data reception at a reception port if incoming data has a data transmission rate which is higher than the predefined maximum data transmission rate.