Patents by Inventor Layne C. Izatt

Layne C. Izatt 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).

  • Patent number: 6539381
    Abstract: A system and method for synchronizing database information over a communications network distributed among a plurality of servers. The system allows each server to track the state of a replica on each of the servers, and changes to the servers are communicated between the servers along with their states. The states may be stored as an array of timestamps, the timestamps each indicating a time at which the replica on each server was updated. In a network wherein two servers (a first and third server) cannot communicate directly, a first network server transmits a change to an intermediate (a second) server including its state information. The second server transmits the change to the third server, and the third server updates its replica. The third server transmits its state information to the second server, and the timestamp information is conveyed to the first server. The state information of the third server may be transmitted to the second server during later updates of the third server's replica.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: March 25, 2003
    Assignee: Novell, Inc.
    Inventors: Ranjan Prasad, Layne C. Izatt, Dale R. Olds