Patents by Inventor Andrew Blair Hastings

Andrew Blair Hastings 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).

  • Publish and subscribe data processing apparatus, method and computer program product with use of a stream to distribute local information between neighbors in a broker structure
    Patent number: 6182143
    Abstract: A publish/subscribe data processing broker apparatus has: a means for receiving from a publisher application data messages published on a subject-specific stream by the publisher application; and a means for distributing the received published data messages to a subscriber application which has requested to receive messages on the stream upon which the published messages were published, the means for distributing including a plurality of connected distribution agent data processing units; wherein one of the streams is reserved for messages published by a publishing distribution agent data processing unit and intended for receipt by a subscribing distribution agent data processing unit located adjacent the publishing distribution agent data processing unit or intended for receipt by a subscriber application located adjacent the publishing distribution agent data processing unit.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: January 30, 2001
    Assignee: International Business Machines Corporation
    Inventors: Andrew Blair Hastings, Shankar Ramaswamy, Donald Edwin Schmitz, Qinhua Wang, Michael Wayne Young