Patents by Inventor Dwight Sunada

Dwight Sunada 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).

  • Apparatus and method for finding the longest matching prefix in a router
    Patent number: 7027445
    Abstract: An apparatus and method for reducing a number of matched entries to more relevant matched entries. In routers, a destination Internet Protocol address of an incoming packet is matched to a router table of Internet Protocol address prefixes, yielding multiple matching entries in the router table. Less relevant matching entries that contain shorter Internet Protocol address prefixes are automatically removed, leaving only the entry including a longest matching prefix.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: April 11, 2006
    Assignee: SUN Microsystems, Inc.
    Inventors: Dwight Sunada, Xuejun Yuan