Patent ID: 8091005

Claim:
In a keyboard-video-mouse (“KVM”) system in which a target computer may be wirelessly accessed by a plurality of remote stations, a method comprising the steps of, (A) by the target computer: (a1) obtaining a frame of video data; (a2) compressing in a video compressor at least some of the video data using a line fitting compression scheme to produce at least one sequence of absolute coded pixel segments and relative coded pixel segments which combine to represent the video data; (a3) transmitting packets for the frame; (a4) transmitting a query packet requesting at least some of said plurality of remote stations to provide a list of packets that need to be resent; (a5) obtaining from each of at least two of the remote stations, a list of one or more packets that need to be resent, wherein the list of packets from a particular remote station identifies packets missed by that particular remote station; (a6) removing duplicates from the lists of packets that need to be resent; and then (a7) resending at least some of the requested packets; and (B) by each of a plurality of the remote stations: (b1) receiving from the target computer broadcasted packets associated with the frame of video data; (b2) keeping a list of missed packets; (b3) upon receipt of the query packet from the target computer, sending to the target computer at least some entries from the list of missed packets; and (b4) receiving at least some resent packets rebroadcasted from the target computer including some entries from the list of missed packets and other non-duplicated entries from corresponding lists of missed packets from others of said plurality of the remote stations.