Patents by Inventor Anthony Ballardie

Anthony Ballardie 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).

  • Layer-2 trace method and node
    Patent number: 6538997
    Abstract: Method of troubleshooting a path that includes a source node, a set of destination nodes, and a set of at least an intermediate node in a computer network. The source node sends a packet to an intermediate node in the set of at least an intermediate node. At least a layer-2 intermediate node in the set of at least an intermediate node inserts data into the packet, and the layer-2 intermediate node sends the packet to another node in the path. A packet for troubleshooting a path in a computer network is disclosed. The path includes a source node, a destination node, and a set of at least one intermediate node. The packet comprises an address that corresponds to the destination node and data inserted by layer-2 intermediate nodes through which the packet has traversed. A method of troubleshooting a path that includes a set of layer-2 devices and a set of layer-3 devices is disclosed. A node in a computer network is disclosed. The node is in a path that includes a source node and a destination node.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: March 25, 2003
    Assignee: 3Com Corporation
    Inventors: Peter Si-Sheng Wang, Anthony Ballardie