Patents by Inventor Mark MacWhirter

Mark MacWhirter 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).

  • Determining round-trip time delay
    Patent number: 7123616
    Abstract: A method of and an apparatus for determining real-time data latency are disclosed. The method may include creating a plurality of outgoing data packets having an outgoing time stamp and a group identifier. The outgoing data packets may be transmitted onto a network. A plurality of incoming data packets may be received over the network. For each of the incoming data packets, a round-trip time delay for the incoming data packet may be calculated. Statistics for the incoming data packets may be updated based on the round-trip time delay and the group identifier included in the incoming data packet. The method may be implemented on an apparatus.
    Type: Grant
    Filed: July 27, 2004
    Date of Patent: October 17, 2006
    Assignee: IXIA
    Inventors: Joel Weissberger, Mark MacWhirter, Manley Klassen, Errol Ginsberg