Wireless broadcast protocol
First Claim
Patent Images
1. 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, by the target computer;
(A) obtaining a frame of video data;
(B) transmitting packets for the frame;
(C) transmitting a query packet;
(D) obtaining a list of requests from at least one of the remote stations, each request from a particular remote station identifying packets missed by that particular remote station; and
(E) resending at least some of the requested packets.
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Abstract
In a keyboard-video-mouse (“KVM”) system in which a target computer may be wirelessly accessed by a plurality of remote stations, a method includes, by the target computer: obtaining a frame of video data; transmitting packets for the frame; transmitting a query packet; obtaining a list of requests from at least one of the remote stations, each request from a particular remote station identifying packets missed by that particular remote station; and resending at least some of the requested packets.
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Citations
11 Claims
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1. 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, by the target computer;
(A) obtaining a frame of video data;
(B) transmitting packets for the frame;
(C) transmitting a query packet;
(D) obtaining a list of requests from at least one of the remote stations, each request from a particular remote station identifying packets missed by that particular remote station; and
(E) resending at least some of the requested packets. - View Dependent Claims (2, 3, 4, 6)
- KVM”
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5. 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, by the target computer;
(A) obtaining a frame of video data;
(B) transmitting packets for the frame;
(C) transmitting a query packet;
(D) obtaining a list of requests from at least one of the remote stations, each request from a particular remote station identifying packets missed by that particular remote station;
(E) sorting received lists and removing duplicates from the lists;
(F) resending at least some of the requested packets; and
repeating (A) through (E) while there is more video data.
- KVM”
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7. 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, by a remote station;
receiving from a target computer packets representing video data;
keeping a list of missed packets;
upon receipt of a query packet from the target computer, send to the target computer at least some entries from the list of missed packets; and
receiving at least some resent packets from the target computer. - View Dependent Claims (8)
- KVM”
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9. A device, in a keyboard-video-mouse (“
- KVM”
) system in which a target computer may be wirelessly accessed by a plurality of remote stations, the device comprising;
(A) a mechanism constructed and adapted to obtain a frame of video data;
(B) a mechanism constructed and adapted to transmit packets for the frame;
(C) a mechanism constructed and adapted to transmit a query packet;
(D) a mechanism constructed and adapted to obtain a list of requests from at least one of the remote stations, each request from a particular remote station identifying packets missed by that particular remote station; and
(E) a mechanism constructed and adapted to resend at least some of the requested packets. - View Dependent Claims (10, 11)
- KVM”
Specification