Patent ID: 9160793
Filing Date: 2015-10-13
Classification: H04L

Abstract:
1. A method for identifying a destination station receiving a file transmitted in a peer network comprising a plurality of source stations and the destination station, comprising: providing a plurality of copies of a file; generating a plurality of different versions of the file by assigning a different watermark to each copy of the file; providing the different versions of the file respectively from different source stations, such that the watermark of each copy of the file is unique to the respective source station; wherein separately transmitting the parts of the file from at least two different source stations to the destination station, each part of the file being transmitted with its respective sub-watermark; assembling the parts of the file at the destination station; assembling the sub-watermarks of the parts of the file at the destination station to thereby form a watermark for the destination station; storing information identifying the sub-watermarks of the parts of the file; and identifying the destination station based on the information.