Patents by Inventor Igor Agapiev

Igor Agapiev 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).

  • DHT-based distributed file system for simultaneous use by millions of frequently disconnected, world-wide users
    Patent number: 7716179
    Abstract: Content items in a distributed system are defined by a respective key, and each such content item is copied to R1 computer systems of the distributed system which have unique identifiers closest to a value of the respective key, where R1 is less than R2 which is less than R3, at least R2 number of the computer systems have copies of any respective one of the content items for all of the content items, and none of the computer systems farther than R3 in an address space of the distributed system have a copy of the subject content item. Modifications of individual content items are synchronized across all instances thereof responsive to a put operation and/or at periodic intervals.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: May 11, 2010
    Assignee: WOWD, Inc.
    Inventors: Borislav Agapiev, Igor Agapiev