Patents by Inventor Trystan Johnson

Trystan Johnson 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).

  • Method and apparatus for VLAN ID discovery
    Patent number: 7385973
    Abstract: A method and apparatus for a first network device to identify the VLAN for which the first network device is a member. In response to the broadcasting of a discovery request message by the first network device, a second network device transmits a first data message including VLAN information relating to the VLANs configured on the network. From the VLAN information, the first network device determines the VLAN ID of the VLAN in which the first network device is a member.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: June 10, 2008
    Assignee: Nortel Networks Limited
    Inventors: Trystan Johnson, Michael Pothier, Robert Turnbull, Kejin Huang