Patent ID: 7320039

Claim:
A method for processing consistent data sets in an isochronous, cyclical communications system by an asynchronous application of a subscriber having a transmit buffer, a receive buffer, a communication memory and a consistency buffer, wherein the communication memory has a receive zone and a transmit zone, comprising: copying a second data set from a second address range in the transmit zone of the communication memory into the consistency buffer; allocating the second address range by a consistency block such that data can no longer be forwarded from the second address range to the transmit buffer; writing access by the application directly to the second address range in the transmit zone of the communication memory; forwarding data of the second data set from the consistency buffer directly to the transmit buffer during the writing access by the application directly to the second address range in the transmit zone of the communication memory; and releasing the consistency block after the writing access has ended, such that data can be forwarded from the second address range in the transmit zone of the communication memory to the transmit buffer.