A process for the exclusive preference for of directing telegrams

摘要

A method for communication in an ethernet network by means of switching units, in which automation devices exclusively preferably their exchange messages, wherein the exclusive messages to be preferred in their respective protocol header, the exclusive messages to be preferred on the part of the switching units in the cut - through - the method, the leading end of the messages to be preferred is not exclusively by the switching units be broken off when incoming messages for exclusively to be preferred in the switching unit the same output port, wherein in the following switching unit is broken off is recognized as incompletely messages and are destroyed and is not exclusively preferred messages for as long as in the switching units are intermediately stored, until they are completely and are passed on to be preferred in which the messages for exclusively independently of the method of the prioritized according to directing transport according to ieee 802.1p / q with the highest priority are passed on the part of the switching units.