Patents by Inventor Roy Laurens

Roy Laurens 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).

  • Network layer support to enhance the transport layer performance in mobile and wireless environments
    Patent number: 6947451
    Abstract: In a router or packet processing node supporting Mobile IP, a method for causing packets to be retransmitted from a sender to a mobile node is disclosed. A plurality of packets having associated update information are received. The packets are intended for the mobile node. The update information associated with at least one of the received packets is stored. When the mobile node is disconnected from the sender and reconnects to the sender, without waiting for a timeout the sender is directed to retransmit a last portion of packets to the mobile node based on the stored update information. Apparatus and computer readable medium embodiments are also disclosed.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: September 20, 2005
    Assignee: Cisco Technology, Inc.
    Inventors: Gopal K. Dommety, Kent K. Leung, Roy Laurens
  • Network layer support to enhance the transport layer performance in mobile and wireless environments
    Patent number: 6510144
    Abstract: In a router or packet processing node supporting Mobile IP, a method for causing packets to be retransmitted from a sender to a mobile node is disclosed. A plurality of packets having associated update information are received. The packets are intended for the mobile node. The update information associated with at least one of the received packets is stored. When the mobile node is disconnected from the sender and reconnects to the sender, without waiting for a timeout the sender is directed to retransmit a last portion of packets to the mobile node based on the stored update information. Apparatus and computer readable medium embodiments are also disclosed.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: January 21, 2003
    Assignee: Cisco Technology, Inc.
    Inventors: Gopal K. Dommety, Kent K. Leung, Roy Laurens