Patents by Inventor Peter John Fordham

Peter John Fordham 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).

  • System and method of a shared memory hash table with notifications and reduced memory utilization
    Patent number: 10642750
    Abstract: A method and apparatus of a device that includes a shared memory hash table that notifies one or more readers of changes to the shared memory hash table is described. In an exemplary embodiment, a device receives a key that corresponds to the value, where the key used to retrieve the value form the shared memory hash table and the shared memory hash table is written to by a writer and read from by a plurality of readers. In addition, the device retrieves an index from a local values table, where the local values table stores a plurality of indices for one of the plurality of readers and the index is an index into an entry in the shared memory hash table. The device further retrieves the value from the shared memory hash table using the index.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: May 5, 2020
    Assignee: Arista Networks, Inc.
    Inventors: Duncan Stuart Ritchie, Sebastian Sapa, Peter John Fordham
  • SYSTEM AND METHOD OF A SHARED MEMORY HASH TABLE WITH NOTIFICATIONS AND REDUCED MEMORY UTILIZATION
    Publication number: 20170039143
    Abstract: A method and apparatus of a device that includes a shared memory hash table that notifies one or more readers of changes to the shared memory hash table is described. In an exemplary embodiment, a device receives a key that corresponds to the value, where the key used to retrieve the value form the shared memory hash table and the shared memory hash table is written to by a writer and read from by a plurality of readers. In addition, the device retrieves an index from a local values table, where the local values table stores a plurality of indices for one of the plurality of readers and the index is an index into an entry in the shared memory hash table. The device further retrieves the value from the shared memory hash table using the index.
    Type: Application
    Filed: August 3, 2015
    Publication date: February 9, 2017
    Inventors: Duncan Stuart Ritchie, Sebastian Sapa, Peter John Fordham