Railway automation network, - wherein the railway automation network has a publish/subscribe system with - at least one transmitter-end application (10, 11) configured for the publication of messages, - at least one transmitter-end message broker - at least one receiver-end message broker and - at least one receiver-end application configured for the receipt of messages, - wherein each transmitter-end application (10, 11) is linked for communication purposes to the transmitter-end message broker or to one of the transmitter-end message brokers, - wherein the at least one transmitter-end message broker is configured to map a message published by the transmitter-end application or by one (e.g. 10) of the transmitter-end applications (10, 11) on the basis of a subject specified in the message onto at least two redundant, at least partly physically independent network paths (50, 51) of the railway automation network, - wherein the railway automation network is configured to transfer the message simultaneously over the at least two network paths (50, 51) to the receiver-end message broker or to at least one of the receiver-end message brokers, - wherein each receiver-end application is linked for communication purposes to the receiver-end message broker or to one of the receiver-end message brokers, and - wherein the receiver-end message broker is configured to transfer the message to the at least one receiver-end application, wherein the railway automation network is configured to transfer the message simultaneously to a number of receiver-end message brokers, which are each assigned to at least two multicast groups, wherein each of the multicast groups uses one of the redundant, at least partly physically independent network paths (50, 51) of the railway automation network. - wherein the railway automation network has a publish/subscribe system with - at least one transmitter-end application (10, 11) configured for the publication of messages, - at least one transmitter-end message broker - at least one receiver-end message broker and - at least one receiver-end application configured for the receipt of messages, - at least one transmitter-end application (10, 11) configured for the publication of messages, - at least one transmitter-end message broker - at least one receiver-end message broker and - at least one receiver-end application configured for the receipt of messages, - wherein each transmitter-end application (10, 11) is linked for communication purposes to the transmitter-end message broker or to one of the transmitter-end message brokers, - wherein the at least one transmitter-end message broker is configured to map a message published by the transmitter-end application or by one (e.g. 10) of the transmitter-end applications (10, 11) on the basis of a subject specified in the message onto at least two redundant, at least partly physically independent network paths (50, 51) of the railway automation network, - wherein the railway automation network is configured to transfer the message simultaneously over the at least two network paths (50, 51) to the receiver-end message broker or to at least one of the receiver-end message brokers, - wherein each receiver-end application is linked for communication purposes to the receiver-end message broker or to one of the receiver-end message brokers, and - wherein the receiver-end message broker is configured to transfer the message to the at least one receiver-end application,