Patents by Inventor Frank Feng Liu

Frank Feng Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5862138
    Abstract: A method and apparatus for routing data packets from a current network node toward a destination node where the current node and the destination node are connected to first and second networks in a multiple network communication system. The method involves determining the destination node of the data packet, determining which of a plurality of outputs connected to the first and second networks are suitable to advance the data packet toward the destination node, determining queue lengths of output buffers associated with respective outputs of the plurality of outputs and forwarding the data packet to an output buffer having the least queue length, for transmission over a network to which the output associated with the output buffer is connected.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: January 19, 1999
    Assignee: Northern Telecom Limited
    Inventor: Frank Feng Liu