Patents Represented by Law Firm Cesari & McKenna Christensen, O'Connor, Johnson & Kindness
  • Network transit prevention
    Patent number: 5134610
    Abstract: In a digital communications network, data packets are prevented from making a transit through a domain if such data packets neither originate within nor are addressed to a node within that domain. Only data packets flagged as originating within the domain are allowed to be forwarded out of the domain.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: July 28, 1992
    Assignees: Digital Equipment Corporation, Board of Regents of the Unversity
    Inventors: I. Michael C. Shand, John A. Harper, Kevin Miles